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[[File:Alliumspecies.jpg|thumb|''[[Allium flavum]]'' (yellow) and ''[[Allium carinatum]]'' (purple)]]
[[File:Alliumspecies.jpg|thumb|''[[Allium flavum]]'' (yellow) and ''[[Allium carinatum]]'' (purple)]]


'''''Allium''''' is a genus of [[monocotyledon]]ous [[flowering plant]]s with hundreds of species, including the cultivated [[onion]], [[garlic]], [[scallion]], [[shallot]], [[leek]], and [[chives]]. The [[Generic name (biology)|generic name]] ''Allium'' is the Latin word for garlic,{{sfn|Quattrocchi|1999|loc=vol.&nbsp;1 p.&nbsp;91}}<ref name="gledhill">Gledhill, David (2008). "The Names of Plants". Cambridge University Press. {{ISBN|9780521866453}} (hardback), {{ISBN|9780521685535}} (paperback). pp 43</ref> and the [[type species]] for the genus is ''[[Allium sativum]]'' which means "cultivated garlic".<ref name="ingallium">''Allium'' In: Index Nominum Genericorum. In: [[Regnum Vegetabile]] (see ''{{slink||External links}}'' below).</ref>
'''''Allium''''' is a genus of [[monocotyledon]]ous flowering plants with hundreds of species, including the cultivated [[onion]], [[garlic]], [[scallion]], [[shallot]], [[leek]], and [[chives]]. It is one of about 57 genera of flowering plants with more than 500 species.<ref name="frodin2004">{{cite journal |last1=Frodin |first1=David G. |year=2004 |title=History and concepts of big plant genera |journal=Taxon |volume=53 |issue=3 |pages=753–776 |doi=10.2307/4135449 |jstor=4135449}}</ref> It is by far the largest genus in the Amaryllidaceae, and also in the Alliaceae in classification systems in which that family is recognized as separate.<ref name="rahn1998">Knud Rahn. 1998. "Alliaceae" pages 70-78. In: Klaus Kubitzki (editor). ''The Families and Genera of Vascular Plants'' volume III. Springer-Verlag: Berlin;Heidelberg, Germany. {{ISBN|978-3-540-64060-8}}</ref>


⚫
''Allium'' species occur in [[temperate climate]]s of the [[Northern Hemisphere]], except for a few species occurring in Chile (such as ''A.&nbsp;juncifolium''), Brazil (''A.&nbsp;sellovianum''), and tropical Africa ([[Allium spathaceum|''A.&nbsp;spathaceum'']]). They vary in height between {{Convert|5 - 150|cm|frac=2}}. The [[flower]]s form an [[umbel]] at the top of a leafless stalk. The [[bulb]]s vary in size between species, from small (around 2–3&nbsp;mm in diameter) to rather large (8–10&nbsp;cm). Some species (such as Welsh onion [[Allium fistulosum|''A.&nbsp;fistulosum'']] and [[Leek (vegetable)|leeks]] (''A.&nbsp;ampeloprasum'')) develop thickened leaf-bases rather than forming bulbs as such.
[[Carl Linnaeus]] first described the genus ''Allium'' in 1753. Some sources refer to Greek ἀλέω (aleo, to avoid) by reason of the smell of garlic.<ref name=Block2010>{{cite book | author=Eric Block | title=Garlic and Other Alliums: The Lore and the Science | publisher=Royal Society of Chemistry | year=2010 | isbn=978-0-85404-190-9}}</ref> Various ''Allium'' have been cultivated from the earliest times, and about a dozen species are economically important as [[crops]], or garden [[vegetables]], and an increasing number of species are important as [[ornamental plants]].<ref name="Block2010"/><ref name=Davies>{{cite book | author=Dilys Davies | title=Alliums: The Ornamental Onions | publisher=Timber Press | year=1992 | isbn=978-0-88192-241-7 | url=https://archive.org/details/alliums00dily }}</ref>


⚫
[[Carl Linnaeus]] first described the genus ''Allium'' in 1753. The [[Generic name (biology)|generic name]] ''Allium'' is the Latin word for garlic,{{sfn|Quattrocchi|1999|loc=vol.&nbsp;1 p.&nbsp;91}}<ref name="gledhill">Gledhill, David (2008). "The Names of Plants". Cambridge University Press. {{ISBN|9780521866453}} (hardback), {{ISBN|9780521685535}} (paperback). pp 43</ref> and the [[type species]] for the genus is ''[[Allium sativum]]'' which means "cultivated garlic".<ref name="ingallium">''Allium'' In: Index Nominum Genericorum. In: [[Regnum Vegetabile]] (see ''{{slink||External links}}'' below).</ref> The decision to include a species in the genus ''Allium'' is [[Plant taxonomy|taxonomically]] difficult, and [[species]] boundaries are unclear. Estimates of the number of species are as low as 260,<ref name="rahn1998" /> and as high as 979.<ref>[https://web.archive.org/web/20210616150912/http://www.theplantlist.org/tpl/search?q=Allium The Plant List, for genus ''Allium'']</ref> In the [[APG III system|APG III classification system]], ''Allium'' is placed in the family [[Amaryllidaceae]], subfamily [[Allioideae]] (formerly the family Alliaceae).<ref>{{Cite journal |last1=Chase |first1=M.W. |last2=Reveal |first2=J.L. |last3=Fay |first3=M.F. |name-list-style=amp |year=2009 |title=A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=132–136 |doi=10.1111/j.1095-8339.2009.00999.x |doi-access=free}}</ref> In some of the older [[Systematics|classification systems]], ''Allium'' was placed in [[Liliaceae]].<ref name="Block2010">{{cite book |author=Eric Block |title=Garlic and Other Alliums: The Lore and the Science |publisher=Royal Society of Chemistry |year=2010 |isbn=978-0-85404-190-9}}</ref><ref name="Davies" /><ref>James L. Brewster, "Onions and Other Alliums" (Wallingford: CABI Publishing, 2008)</ref><ref>Haim D. Rabinowitch, Leslie Currah, "Allium Crop Sciences: Recent Advances" (Wallingford: CABI Publishing, 2002)</ref><ref>Penny Woodward, "Garlic and Friends: The History, Growth and Use of Edible Alliums" (South Melbourne: Hyland House, 1996)</ref> [[Molecular phylogenetic]] studies have shown this [[Circumscription (taxonomy)|circumscription]] of Liliaceae is not [[monophyletic]].
The decision to include a species in the genus ''Allium'' is [[Plant taxonomy|taxonomically]] difficult, and [[species]] boundaries are unclear. Estimates of the number of species are as low as 260,<ref name="rahn1998"/> and as high as 979.<ref>[https://web.archive.org/web/20210616150912/http://www.theplantlist.org/tpl/search?q=Allium The Plant List, for genus ''Allium'']</ref>


⚫
Various ''Allium'' have been cultivated from the earliest times, and about a dozen species are economically important as [[crops]], or garden [[vegetables]], and an increasing number of species are important as [[ornamental plants]].<ref name="Block2010" /><ref name="Davies">{{cite book | author=Dilys Davies | title=Alliums: The Ornamental Onions | publisher=Timber Press | year=1992 | isbn=978-0-88192-241-7 | url=https://archive.org/details/alliums00dily }}</ref> Plants of the genus produce chemical compounds, mostly derived from [[cysteine]] sulfoxides, that give them a characteristic onion or garlic taste and odor.<ref name="Block2010" /> Many are used as food plants, though not all members of the genus are equally flavorful. In most cases, both bulb and leaves are edible. The characteristic ''Allium'' flavor depends on the [[sulfate]] content of the soil the plant grows in.<ref name="Block2010" /> In the rare occurrence of sulfur-free growth conditions, all ''Allium'' species completely lose their usual pungency.{{TOC limit|3}}
⚫
''Allium'' species occur in [[temperate climate]]s of the [[Northern Hemisphere]], except for a few species occurring in Chile (such as ''A. juncifolium''), Brazil (''A. sellovianum''), and tropical Africa (''[[Allium spathaceum|A. spathaceum]]''). They vary in height between 5&nbsp;cm and 150&nbsp;cm. The [[flower]]s form an [[umbel]] at the top of a leafless stalk. The [[bulb]]s vary in size between species, from small (around 2–3&nbsp;mm in diameter) to rather large (8–10&nbsp;cm). Some species (such as Welsh onion ''[[Allium fistulosum|A. fistulosum]]'' and [[Leek (vegetable)|leeks]] (''A. ampeloprasum'')) develop thickened leaf-bases rather than forming bulbs as such.

⚫
Plants of the genus ''Allium'' produce chemical compounds, mostly derived from [[cysteine]] sulfoxides, that give them a characteristic onion or garlic taste and odor.<ref name=Block2010/> Many are used as food plants, though not all members of the genus are equally flavorful. In most cases, both bulb and leaves are edible. The characteristic ''Allium'' flavor depends on the [[sulfate]] content of the soil the plant grows in.<ref name=Block2010/> In the rare occurrence of sulfur-free growth conditions, all ''Allium'' species completely lose their usual pungency.

⚫
In the [[APG III system|APG III classification system]], ''Allium'' is placed in the [[family (biology)|family]] [[Amaryllidaceae]], subfamily [[Allioideae]] (formerly the family Alliaceae).<ref>{{Cite journal |last1=Chase |first1=M.W. |last2=Reveal |first2=J.L. |last3=Fay |first3=M.F. |year=2009 |title=A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae |journal=Botanical Journal of the Linnean Society |volume=161 |issue=2 |pages=132–136 |doi=10.1111/j.1095-8339.2009.00999.x|name-list-style=amp |doi-access=free }}</ref> In some of the older [[Systematics|classification systems]], ''Allium'' was placed in [[Liliaceae]].<ref name=Block2010/><ref name=Davies/><ref>James L. Brewster, "Onions and Other Alliums" (Wallingford: CABI Publishing, 2008)</ref><ref>Haim D. Rabinowitch, Leslie Currah, "Allium Crop Sciences: Recent Advances" (Wallingford: CABI Publishing, 2002)</ref><ref>Penny Woodward, "Garlic and Friends: The History, Growth and Use of Edible Alliums" (South Melbourne: Hyland House, 1996)</ref> [[Molecular phylogenetic]] studies have shown this [[Circumscription (taxonomy)|circumscription]] of Liliaceae is not [[monophyletic]].

''Allium'' is one of about fifty-seven genera of flowering plants with more than 500 species.<ref name="frodin2004">{{cite journal | last1 = Frodin | first1 = David G. | year = 2004 | title = History and concepts of big plant genera | journal = Taxon | volume = 53 | issue = 3| pages = 753–776 | doi=10.2307/4135449| jstor = 4135449 }}</ref> It is by far the largest genus in the Amaryllidaceae, and also in the Alliaceae in [[Biological classification|classification]] [[List of systems of plant taxonomy|systems]] in which that family is recognized as separate.<ref name="rahn1998">Knud Rahn. 1998. "Alliaceae" pages 70-78. In: Klaus Kubitzki (editor). ''The Families and Genera of Vascular Plants'' volume III. Springer-Verlag: Berlin;Heidelberg, Germany. {{ISBN|978-3-540-64060-8}}</ref>
{{TOC limit|3}}


==Description==
==Description==
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=== Subdivision ===
=== Subdivision ===
Linnaeus originally grouped his 30 species into three alliances, ''e.g.'' ''Foliis caulinis planis''. Since then, many attempts have been made to divide the growing number of recognised species into infrageneric subgroupings, initially as sections, and then as subgenera further divided into sections. For a brief history, see Li ''et al.'' (2010){{sfn|Li et al.|2010}} The modern era of [[phylogenetic analysis]] dates to 1996.{{sfn|von Berg et al|1996}} In 2006 Friesen, Fritsch, and Blattner{{sfn|Friesen|Fritsch|Blattner|2006}} described a new classification with 15 [[subgenera]], 56 [[section (botany)|sections]], and about 780 species based on the [[cell nucleus|nuclear]] [[Ribosome|ribosomal]] [[gene]] [[internal transcribed spacer]]s. Some of the subgenera correspond to the once separate genera (''Caloscordum'', ''Milula'', ''Nectaroscordum'') included in the [[Gilliesieae]].{{sfn|Li et al.|2010}}{{sfn|Sykorova|2006}} The terminology has varied with some authors subdividing subgenera into Sections and others Alliances. The term Alliance has also been used for subgroupings within species, ''e.g.'' ''[[Allium nigrum]]'', and for subsections.{{sfn|Fritsch et al|2010}}
Linnaeus originally grouped his 30 species into three [[Alliance (taxonomy)|alliances]], ''e.g.'' ''Foliis caulinis planis''. Since then, many attempts have been made to divide the growing number of recognised species into infrageneric subgroupings, initially as sections, and then as subgenera further divided into sections. For a brief history, see Li ''et al.'' (2010){{sfn|Li et al.|2010}} The modern era of [[phylogenetic analysis]] dates to 1996.{{sfn|von Berg et al|1996}} In 2006 Friesen, Fritsch, and Blattner{{sfn|Friesen|Fritsch|Blattner|2006}} described a new classification with 15 [[subgenera]], 56 [[section (botany)|sections]], and about 780 species based on the [[cell nucleus|nuclear]] [[Ribosome|ribosomal]] [[gene]] [[internal transcribed spacer]]s. Some of the subgenera correspond to the once separate genera (''Caloscordum'', ''Milula'', ''Nectaroscordum'') included in the [[Gilliesieae]].{{sfn|Li et al.|2010}}{{sfn|Sykorova|2006}} The terminology has varied with some authors subdividing subgenera into Sections and others Alliances. The term Alliance has also been used for subgroupings within species, ''e.g.'' ''[[Allium nigrum]]'', and for subsections.{{sfn|Fritsch et al|2010}}


Subsequent [[molecular phylogenetic]] studies have shown the 2006 classification is a considerable improvement over previous classifications, but some of its subgenera and sections are probably not [[monophyletic]]. Meanwhile, the number of new species continued to increase, reaching 800 by 2009, and the pace of discovery has not decreased. Detailed studies have focused on a number of subgenera, including ''Amerallium''. ''Amerallium'' is strongly [[Resampling (statistics)|supported]] as monophyletic.{{sfn|Nguyen et al|2008}} Subgenus ''Melanocrommyum'' has also been the subject of considerable study (see below), while work on subgenus ''Allium'' has focussed on section ''Allium'', including ''[[Allium ampeloprasum]]'', although [[Sample (material)|sampling]] was not sufficient to test the monophyly of the section.{{sfn|Hirschegger et al|2010}}
Subsequent [[molecular phylogenetic]] studies have shown the 2006 classification is a considerable improvement over previous classifications, but some of its subgenera and sections are probably not [[monophyletic]]. Meanwhile, the number of new species continued to increase, reaching 800 by 2009, and the pace of discovery has not decreased. Detailed studies have focused on a number of subgenera, including ''Amerallium''. ''Amerallium'' is strongly [[Resampling (statistics)|supported]] as monophyletic.{{sfn|Nguyen et al|2008}} Subgenus ''Melanocrommyum'' has also been the subject of considerable study (see below), while work on subgenus ''Allium'' has focussed on section ''Allium'', including ''[[Allium ampeloprasum]]'', although [[Sample (material)|sampling]] was not sufficient to test the monophyly of the section.{{sfn|Hirschegger et al|2010}}
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=== Evolutionary lines and subgenera ===
=== Evolutionary lines and subgenera ===
{{See also|List of Allium species}}
{{See also|List of Allium species}}
The three evolutionary lineages and 15 subgenera represent the classification scheme of Friesen ''et al.'' (2006){{sfn|Friesen|Fritsch|Blattner|2006}} and Li (2010).{{sfn|Li et al.|2010}} (number of sections/number of species)
The three evolutionary lineages and 15 subgenera here represent the classification schemes of Friesen ''et al.'' (2006){{sfn|Friesen|Fritsch|Blattner|2006}} and Li (2010),{{sfn|Li et al.|2010}} and subsequent additional species{{sfn|Brullo et al.|2003}}{{sfn|Nguyen et al.|2008}}{{sfn|Tzanoudakis|Trigas|2015}}{{sfn|Koçyiğıt et al.|2016}} and revisions.


{{cladogram
{{cladogram
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}}
}}


;Evolutionary lines and subgenera (number of sections/number of species){{sfn|GRIN Taxonomy|2023}}
* First evolutionary line
* [[Taxonomy_of_Allium#First evolutionary line|First evolutionary line]] (3 subgenera)
*# ''Nectaroscordum'' <small>(Lindl.) Asch. et Graebn </small> Type: ''[[Allium siculum]]'' (1/3) Mediterranean bells, Sicilian honey garlic
*# ''Microscordum'' <small>(Maxim.) N. Friesen</small> Type: ''[[Allium monanthum]]'' (1/1)
*# ''[[Taxonomy_of_Allium#Subgenus Nectaroscordum|Nectaroscordum]]'' <small>(Lindl.) Asch. et Graebn </small> Type: ''[[Allium siculum]]'' (1/3) Mediterranean bells, Sicilian honey garlic
*# ''Amerallium'' <small>Traub</small> Type: ''[[Allium canadense]]'' (12/135)
*# ''[[Taxonomy_of_Allium#Subgenus Microscordum|Microscordum]]'' <small>(Maxim.) N. Friesen</small> Type: ''[[Allium monanthum]]'' (1/1)
*# ''[[Taxonomy_of_Allium#Subgenus Amerallium|Amerallium]]'' <small>Traub</small> Type: ''[[Allium canadense]]'' (12/135)
* Second evolutionary line
* [[Taxonomy_of_Allium#Second evolutionary line|Second evolutionary line]] (5 subgenera)
*# ''Caloscordum'' <small>(Herb.) R. M. Fritsch</small> Type: ''[[Allium neriniflorum]]'' (1/3)
*# ''Anguinum'' <small>(G. Don ex Koch) N. Friesen</small> Type: ''[[Allium victorialis]]'' (1/12)
*# ''[[Taxonomy_of_Allium#Subgenus Caloscordum|Caloscordum]]'' <small>(Herb.) R. M. Fritsch</small> Type: ''[[Allium neriniflorum]]'' (1/3)
*# ''Porphyroprason'' <small>(Ekberg) R. M. Fritsch</small> Type: ''[[Allium oreophilum]]'' (1/1)
*# ''[[Taxonomy_of_Allium#Subgenus Anguinum|Anguinum]]'' <small>(G. Don ex Koch) N. Friesen</small> Type: ''[[Allium victorialis]]'' (1/12)
*# ''Vvedenskya'' <small>(Kamelin) R. M. Fritsch</small> Type: ''[[Allium kujukense]]'' (1/1)
*# ''[[Taxonomy_of_Allium#Subgenus Porphyroprason|Porphyroprason]]'' <small>(Ekberg) R. M. Fritsch</small> Type: ''[[Allium oreophilum]]'' (1/1)
*# ''Melanocrommyum'' <small>([[Philip Barker-Webb|Webb]] et [[Berthel.]]) [[Georges Rouy|Rouy]]</small> Type: ''[[Allium nigrum]]'' (20/160)
*# ''[[Taxonomy_of_Allium#Subgenus Vvedenskya|Vvedenskya]]'' <small>(Kamelin) R. M. Fritsch</small> Type: ''[[Allium kujukense]]'' (1/1)
*# ''[[Taxonomy_of_Allium#Subgenus Melanocrommyum|Melanocrommyum]]'' <small>([[Philip Barker-Webb|Webb]] et [[Berthel.]]) [[Georges Rouy|Rouy]]</small> Type: ''[[Allium nigrum]]'' (20/160)
* Third evolutionary line
* [[Taxonomy_of_Allium#Third evolutionary line|Third evolutionary line]] (7 subgenera)
*# ''Butomissa'' <small>(Salisb.) N. Friesen</small> Type: ''[[Allium ramosum]]'' (2/4) fragrant garlic
*# ''Cyathophora'' <small>R. M. Fritsch</small> Type: ''[[Allium cyathophorum]]'' (3/5)
*# ''[[Taxonomy_of_Allium#Subgenus Butomissa|Butomissa]]'' <small>(Salisb.) N. Friesen</small> Type: ''[[Allium ramosum]]'' (2/4) fragrant garlic
*# ''Rhizirideum'' <small>(G. Don ex Koch) Wendelbo s.s</small> Type: ''[[Allium senescens]]'' (5/37)
*# ''[[Taxonomy_of_Allium#Subgenus Cyathophora|Cyathophora]]'' <small>R. M. Fritsch</small> Type: ''[[Allium cyathophorum]]'' (3/5)
*# ''Allium'' <small>[[Carl Linnaeus|L.]]</small> Type: ''[[Allium sativum]]'' (15/300) garlic
*# ''[[Taxonomy_of_Allium#Subgenus Rhizirideum|Rhizirideum]]'' <small>(G. Don ex Koch) Wendelbo s.s</small> Type: ''[[Allium senescens]]'' (5/37)
*# ''Reticulatobulbosa'' <small>(Kamelin) N. Friesen</small> Type: ''[[Allium lineare]]'' (5/80)
*# ''[[Taxonomy_of_Allium#Subgenus Allium|Allium]]'' <small>[[Carl Linnaeus|L.]]</small> Type: ''[[Allium sativum]]'' (15/300)
*# ''Polyprason'' <small>Radic</small> Type: ''[[Allium moschatum]]'' (4/50)
*# ''[[Taxonomy_of_Allium#Subgenus Reticulatobulbosa|Reticulatobulbosa]]'' <small>(Kamelin) N. Friesen</small> Type: ''[[Allium lineare]]'' (5/80)
*# ''Cepa'' <small>(Mill.) Radic ́</small> Type: ''[[Allium cepa]]'' (5/30) onion, garden onion, bulb onion, common onion
*# ''[[Taxonomy_of_Allium#Subgenus Polyprason|Polyprason]]'' <small>Radic</small> Type: ''[[Allium moschatum]]'' (4/50)
*# ''[[Taxonomy_of_Allium#Subgenus Cepa|Cepa]]'' <small>(Mill.) Radic ́</small> Type: ''[[Allium cepa]]'' (5/30) onion, garden onion, bulb onion, common onion


==== First evolutionary line ====
==== First evolutionary line ====
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* ''[[Allium sect. Scorodon]]'' <small></small>
* ''[[Allium sect. Scorodon]]'' <small></small>
* ''[[Allium sect. Unicaulea]]'' <small>F.O. Khass.</small>
* ''[[Allium sect. Unicaulea]]'' <small>F.O. Khass.</small>

=== Etymology ===
Some sources refer to Greek ἀλέω (aleo, to avoid) due to the odor of garlic.<ref name="Block2010" />


==Distribution and habitat==
==Distribution and habitat==
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Species grow in various conditions from dry, well-drained mineral-based soils to moist, organic soils; most grow in sunny locations, but a number also grow in forests (e.g., ''[[Allium ursinum|A. ursinum]]''),<ref name=Block2010/> or even in swamps or water.{{citation needed|date=July 2013}}
Species grow in various conditions from dry, well-drained mineral-based soils to moist, organic soils; most grow in sunny locations, but a number also grow in forests (e.g., ''[[Allium ursinum|A. ursinum]]''),<ref name=Block2010/> or even in swamps or water.{{citation needed|date=July 2013}}


Various ''Allium'' species are used as food plants by the [[larva]]e of the [[leek moth]] and [[onion fly]]<ref name=Block2010/> as well as some [[Lepidoptera]] including [[cabbage moth]], [[Common swift (moth)|common swift]] moth (recorded on garlic), [[garden dart]] moth, [[large yellow underwing]] moth, [[Nutmeg (moth)|nutmeg]] moth, [[setaceous Hebrew character]] moth, [[turnip moth]] and ''[[Schinia|Schinia rosea]]'', a moth that feeds exclusively on ''Allium'' species.{{citation needed|date=July 2013}}
Various ''Allium'' species are used as food plants by the [[larva]]e of the [[leek moth]] and [[onion fly]]<ref name=Block2010/> as well as other [[Lepidoptera]] including [[cabbage moth]], [[Common swift (moth)|common swift]] moth (recorded on garlic), [[garden dart]] moth, [[large yellow underwing]] moth, [[Nutmeg (moth)|nutmeg]] moth, [[setaceous Hebrew character]] moth, [[turnip moth]] and ''[[Schinia|Schinia rosea]]'', a moth that feeds exclusively on ''Allium'' species.{{citation needed|date=July 2013}}


==Genetics==
==Genetics==
The genus Allium has very large variation between species in their genome size that is not accompanied by changes in [[ploidy]] level.<ref name=":0">{{Cite journal|last1=Ricroch|first1=A|last2=Yockteng|first2=R|last3=Brown|first3=S C|last4=Nadot|first4=S|s2cid=14787301|date=2005|title=Evolution of genome size across some cultivated Allium species|journal=Genome|language=en|volume=48|issue=3|pages=511–520|doi=10.1139/g05-017|issn=0831-2796|pmid=16121247}}</ref> This remarkable variation was noted in the discussion of the evolution of [[junk DNA]] and resulted in the [[Onion Test]], a "reality check for anyone who thinks they have come up with a universal function for junk DNA".<ref>{{Cite journal|last1=Freeling|first1=Michael|last2=Xu|first2=Jie|last3=Woodhouse|first3=Margaret|last4=Lisch|first4=Damon|date=2015|title=A Solution to the C-Value Paradox and the Function of Junk DNA: The Genome Balance Hypothesis|journal=Molecular Plant|language=en|volume=8|issue=6|pages=899–910|doi=10.1016/j.molp.2015.02.009|pmid=25743198|doi-access=free}}</ref> [[Genome size]]s vary between 7.5 Gb in ''[[Allium schoenoprasum|A. schoenoprasum]]'' and 30.9 Gb in ''[[Allium ursinum|A. ursinum]]'', both of which are [[diploid]].<ref name=":0" />
The genus Allium has very large variation between species in their genome size that is not accompanied by changes in [[ploidy]] level.<ref name=":0">{{Cite journal|last1=Ricroch|first1=A.|last2=Yockteng|first2=R.|last3=Brown|first3=S C|last4=Nadot|first4=S|s2cid=14787301|date=2005|title=Evolution of genome size across some cultivated Allium species|journal=Genome|language=en|volume=48|issue=3|pages=511–520|doi=10.1139/g05-017|issn=0831-2796|pmid=16121247}}</ref> This remarkable variation was noted in the discussion of the evolution of [[junk DNA]] and resulted in the [[Onion Test]], a "reality check for anyone who thinks they have come up with a universal function for junk DNA".<ref>{{Cite journal|last1=Freeling|first1=Michael|last2=Xu|first2=Jie|last3=Woodhouse|first3=Margaret|last4=Lisch|first4=Damon|date=2015|title=A Solution to the C-Value Paradox and the Function of Junk DNA: The Genome Balance Hypothesis|journal=Molecular Plant|language=en|volume=8|issue=6|pages=899–910|doi=10.1016/j.molp.2015.02.009|pmid=25743198|doi-access=free}}</ref> [[Genome size]]s vary between 7.5 Gb in ''[[Allium schoenoprasum|A. schoenoprasum]]'' and 30.9 Gb in ''[[Allium ursinum|A. ursinum]]'', both of which are [[diploid]].<ref name=":0" />

==Telomere==
The unusual telomeric sequence of 'Allium cepa' was discovered and cytologically validated to be CTCGGTTATGGG
<ref>{{cite journal | url=https://onlinelibrary.wiley.com/doi/10.1111/tpj.13115 | title = Allium telomeres unmasked | journal = The Plant Journal |publisher=Petr Fajkus et el, The Plant Journal |date=December 2015| volume = 85 | issue = 3 | pages = 337–347 | doi = 10.1111/tpj.13115 | last1 = Fajkus | first1 = Petr | last2 = Peška | first2 = Vratislav | last3 = Sitová | first3 = Zdeňka | last4 = Fulnečková | first4 = Jana | last5 = Dvořáčková | first5 = Martina | last6 = Gogela | first6 = Roman | last7 = Sýkorová | first7 = Eva | last8 = Hapala | first8 = Jan | last9 = Fajkus | first9 = Jiří | pmid = 26716914 }}</ref>
A bioinformatics method for detecting this unique telomere sequence was demonstrated using SERF de novo Genome Analysis
<ref>{{cite web |url=https://bioserf.org#serfalliumcepa |title=Allium cepa Telomere |publisher=SERF de novo Genome Analysis, BioSerf |date=July 2018}}</ref>


==Cultivation==
==Cultivation==
[[File:Selection of cultivated Alliums.jpg|thumb|right|Selection of cultivated alliums displayed at the ''BBC [[Gardeners' World]] Live'' show]]Many ''Allium'' species have been harvested through human history, but only about a dozen are still economically important today as crops or garden [[vegetable]]s.<ref name=Block2010/><ref name="S&S">{{cite book |title=Simon & Schuster's Guide to Herbs and Spices |editor=Stanley Schuler |isbn=978-0-671-73489-3 |author=Gualtiero Simonetti |year=1990 |publisher=Simon & Schuster, Inc |url=https://archive.org/details/simonschustersgu0000simo }}</ref>
[[File:Selection of cultivated Alliums.jpg|thumb|right|Selection of cultivated alliums displayed at the ''BBC [[Gardeners' World]] Live'' show]]Many ''Allium'' species have been harvested through human history, but only about a dozen are still economically important today as crops or garden [[vegetable]]s.<ref name=Block2010/><ref name="S&S">{{cite book |title=Simon & Schuster's Guide to Herbs and Spices |editor=Stanley Schuler |isbn=978-0-671-73489-3 |author=Simonetti, Gualtiero |year=1990 |publisher=Simon & Schuster, Inc |url=https://archive.org/details/simonschustersgu0000simo }}</ref>


===Ornamental===
===Ornamental===
Many ''Allium'' species and [[Hybrid (biology)|hybrids]] are [[Horticulture|cultivated]] as [[Ornamental plant|ornamentals]].<ref name="rhs">[[Anthony Huxley]], Mark Griffiths, and Margot Levy (1992). ''The New Royal Horticultural Society Dictionary of Gardening''. The Macmillan Press,Limited: London. The Stockton Press: New York. {{ISBN|978-0-333-47494-5}} (set).</ref> These include ''[[Allium cristophii|A. cristophii]]'' and ''[[Allium giganteum|A. giganteum]]'', which are used as [[herbaceous border|border]] plants for their ornamental flowers, and their "architectural" qualities.<ref name=Davies/><ref name="RHS A-Z">Brickell, Christopher (Editor-in-chief),''The Royal Horticultural Society A–Z Encyclopedia of Garden Plants'', p.95, Dorling Kindersley, London, 1996, {{ISBN|0-7513-0303-8}}</ref> Several hybrids have been bred, or selected, with rich purple flowers. ''[[Allium hollandicum|A. hollandicum]]'' 'Purple Sensation' is one of the most popular and has been given an [[Award of Garden Merit]] (H4).<ref name=PlantFinder>''RHS Plant Finder 2009–2010'', p68, Dorling Kindersley, London, 2009, {{ISBN|978-1-4053-4176-9}}</ref> These ornamental onions produce spherical umbels on single stalks in spring and summer, in a wide variety of sizes and colours, ranging from white (''Allium'' 'Mont Blanc'), blue (''[[Allium caeruleum|A. caeruleum]]''), to yellow (''[[Allium flavum|A. flavum]]'') and purple (''A. giganteum''). By contrast, other species (such as invasive ''[[Allium triquetrum|A. triquetrum]]'' and ''[[Allium ursinum|A. ursinum]]'') can become troublesome garden [[weed]]s.<ref name="RHS A-Z"/><ref name=Lloyd&Rice>Lloyd, Christopher & Rice, Graham, (1991) ''Garden Flowers From Seed'', p45, Viking, {{ISBN|0-670-82455-0}}</ref>
Many ''Allium'' species and [[Hybrid (biology)|hybrids]] are [[Horticulture|cultivated]] as [[Ornamental plant|ornamentals]].<ref name="rhs">[[Anthony Huxley]], Mark Griffiths, and Margot Levy (1992). ''The New Royal Horticultural Society Dictionary of Gardening''. The Macmillan Press, Limited: London. The Stockton Press: New York. {{ISBN|978-0-333-47494-5}} (set).</ref> These include ''[[Allium cristophii|A. cristophii]]'' and ''[[Allium giganteum|A. giganteum]]'', which are used as [[herbaceous border|border]] plants for their ornamental flowers, and their "architectural" qualities.<ref name=Davies/><ref name="RHS A-Z">Brickell, Christopher (Editor-in-chief), ''The Royal Horticultural Society A–Z Encyclopedia of Garden Plants'', p. 95, Dorling Kindersley, London, 1996, {{ISBN|0-7513-0303-8}}</ref> Several hybrids have been bred, or selected, with rich purple flowers. ''[[Allium hollandicum|A. hollandicum]]'' 'Purple Sensation' is one of the most popular and has been given an [[Award of Garden Merit]] (H4).<ref name=PlantFinder>''RHS Plant Finder 2009–2010'', p. 68, Dorling Kindersley, London, 2009, {{ISBN|978-1-4053-4176-9}}</ref> These ornamental onions produce spherical umbels on single stalks in spring and summer, in a wide variety of sizes and colours, ranging from white (''Allium'' 'Mont Blanc'), blue (''[[Allium caeruleum|A. caeruleum]]''), to yellow (''[[Allium flavum|A. flavum]]'') and purple (''A. giganteum''). By contrast, other species (such as invasive ''[[Allium triquetrum|A. triquetrum]]'' and ''[[Allium ursinum|A. ursinum]]'') can become troublesome garden [[weed]]s.<ref name="RHS A-Z"/><ref name=Lloyd&Rice>Lloyd, Christopher & Rice, Graham, (1991). ''Garden Flowers From Seed'', p. 45, Viking, {{ISBN|0-670-82455-0}}</ref>


The following cultivars, of uncertain or mixed parentage, have gained the [[Royal Horticultural Society]]'s [[Award of Garden Merit]]:
The following cultivars, of uncertain or mixed parentage, have gained the [[Royal Horticultural Society]]'s [[Award of Garden Merit]]:
*’Ambassador’<ref>{{cite web | url= https://www.rhs.org.uk/Plants/233828/i-Allium-i-Ambassador/Details
*'Ambassador'<ref>{{cite web | url= https://www.rhs.org.uk/Plants/233828/i-Allium-i-Ambassador/Details
| title = RHS Plantfinder - Allium 'Ambassador'
| title = RHS Plantfinder - Allium 'Ambassador'
| publisher=Royal Horticultural Society | date=2016 | access-date=5 January 2018}}</ref>
| publisher=Royal Horticultural Society | date=2016 | access-date=5 January 2018}}</ref>
*’Beau Regard’<ref>{{cite web | url= https://www.rhs.org.uk/Plants/49933/i-Allium-i-Beau-Regard/Details
*'Beau Regard'<ref>{{cite web | url= https://www.rhs.org.uk/Plants/49933/i-Allium-i-Beau-Regard/Details
| title = RHS Plantfinder - Allium 'Beau Regard'
| title = RHS Plantfinder - Allium 'Beau Regard'
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
*’Gladiator’<ref>{{cite web | url= https://www.rhs.org.uk/Plants/58292/i-Allium-i-Gladiator/Details
*'Gladiator'<ref>{{cite web | url= https://www.rhs.org.uk/Plants/58292/i-Allium-i-Gladiator/Details
| title = RHS Plantfinder - ''Allium'' 'Gladiator'
| title = RHS Plantfinder - ''Allium'' 'Gladiator'
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
*’Globemaster’<ref>{{cite web | url= https://www.rhs.org.uk/Plants/53832/i-Allium-i-Globemaster/Details
*'Globemaster'<ref>{{cite web | url= https://www.rhs.org.uk/Plants/53832/i-Allium-i-Globemaster/Details
| title = RHS Plantfinder - ''Allium'' 'Globemaster'
| title = RHS Plantfinder - ''Allium'' 'Globemaster'
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
| publisher=Royal Horticultural Society | date=1995 | access-date=5 January 2018}}</ref>
*'Michael H' Hoog' ([[Allium rosenorum|''A. rosenorum'']])<ref>{{cite web | url = https://www.rhs.org.uk/Plants/243756/Allium-rosenorum-Michael-H-Hoog/Details | title = ''Allium rosenorum'' 'Michael H. Hoog' | publisher = RHS | access-date = 27 February 2020}}</ref>
*'Michael H. Hoog' ([[Allium rosenorum|''A. rosenorum'']])<ref>{{cite web | url = https://www.rhs.org.uk/Plants/243756/Allium-rosenorum-Michael-H-Hoog/Details | title = ''Allium rosenorum'' 'Michael H. Hoog' | publisher = RHS | access-date = 27 February 2020}}</ref>
*’Round 'n' Purple’<ref>{{cite web | url= https://www.rhs.org.uk/Plants/228230/i-Allium-i-Round-and-Purple/Details
*'Round 'n' Purple'<ref>{{cite web | url= https://www.rhs.org.uk/Plants/228230/i-Allium-i-Round-and-Purple/Details
| title = RHS Plantfinder - ''Allium'' 'Round 'n' Purple'
| title = RHS Plantfinder - ''Allium'' 'Round 'n' Purple'
| publisher=Royal Horticultural Society | date=2016 | access-date=5 January 2018}}</ref>
| publisher=Royal Horticultural Society | date=2016 | access-date=5 January 2018}}</ref>
Line 253: Line 256:


==Toxicity==
==Toxicity==
[[Dogs]] and [[cats]] are very susceptible to poisoning after the consumption of certain species.<ref name=Block2010/><ref>{{cite journal |first=R.B. |last=Cope |title=Toxicology Brief: Allium species poisoning in dogs and cats |work=Veterinary Medicine |date=August 2005 |volume=100 |issue=8 |pages=562–566 |location=[[Edwardsville, Kansas]]|eissn=1939-1919 |issn=8750-7943 |url=https://dungenessranchpetresort.com/images/vetm0805_562_566.pdf |trans-quote=Peer-reviewed.}}</ref> Even cattle have suffered onion toxicosis.<ref>{{cite journal |first=Helen A. |last=Rae |title=Onion toxicosis in a herd of beef cows |work=[[Canadian Veterinary Journal]] |date=January 1999 |volume=40 |issue=1 |pages=55-57 |url=https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1539652/ |access-date=March 17, 2023|quote=While humans appear to be relatively resistant to onion toxicity, there is some concern about the susceptibility of certain ethnic groups that have a genetic deficiency of G6PD. / Onion toxicity depends on factors other than variation in species susceptibility. Onions contain varying amounts of disulfide and SMCO toxins, depending on the species of onion, time of year, and growing conditions. Storing onions in large piles also provides a suitable environment for contamination of the crop with other toxins, such as mycotoxins, which could contribute to the disease process.}}</ref> Vegetables of the ''Allium'' genus can cause digestive disorders for human beings.<ref>{{cite book |first=Zoomi |last=Singh |chapter=Potential Side Effects of Chives |title=Chives: Nutritional Value, Health Benefits and Potential Side Effects of Chives |date=October 12, 2022 |location=[[Singapore]]|publisher=HealthifyMe |chapter-url=https://www.healthifyme.com/blog/chives-benefits/#Potential_Side_Effects_of_Chives |access-date=March 17, 2023}}</ref>
[[Dogs]] and [[cats]] are very susceptible to poisoning after the consumption of certain species.<ref name=Block2010/><ref>{{cite journal |first=R.B. |last=Cope |title=Toxicology Brief: Allium species poisoning in dogs and cats |journal=Veterinary Medicine |date=August 2005 |volume=100 |issue=8 |pages=562–566 |location=[[Edwardsville, Kansas]]|eissn=1939-1919 |issn=8750-7943 |url=https://dungenessranchpetresort.com/images/vetm0805_562_566.pdf |trans-quote=Peer-reviewed.}}</ref> Even cattle have suffered onion toxicosis.<ref>{{cite journal |first=Helen A. |last=Rae |title=Onion toxicosis in a herd of beef cows |journal=[[Canadian Veterinary Journal]] |date=January 1999 |volume=40 |issue=1 |pages=55–57 |pmid=9919370 |pmc=1539652 |quote=While humans appear to be relatively resistant to onion toxicity, there is some concern about the susceptibility of certain ethnic groups that have a genetic deficiency of G6PD. / Onion toxicity depends on factors other than variation in species susceptibility. Onions contain varying amounts of disulfide and SMCO toxins, depending on the species of onion, time of year, and growing conditions. Storing onions in large piles also provides a suitable environment for contamination of the crop with other toxins, such as mycotoxins, which could contribute to the disease process.}}</ref> Vegetables of the ''Allium'' genus can cause digestive disorders for human beings.<ref>{{cite book |first=Zoomi |last=Singh |chapter=Potential Side Effects of Chives |title=Chives: Nutritional Value, Health Benefits and Potential Side Effects of Chives |date=October 12, 2022 |location=[[Singapore]]|publisher=HealthifyMe |chapter-url=https://www.healthifyme.com/blog/chives-benefits/#Potential_Side_Effects_of_Chives |access-date=March 17, 2023}}</ref>


==Uses==
==Uses==
The genus includes many economically important species. These include [[onion]]s (''A. cepa''), [[French shallot]]s (''A. oschaninii''), [[Leek (vegetable)|leeks]] (''A. ampeloprasum''), [[garlic]] (''A. sativum''), and [[herb]]s such as [[scallions]] (various ''Allium'' species) and [[chives]] (''A. schoenoprasum''). Some have been used as traditional medicines.{{sfn|Li et al.|2010}}
The genus includes many economically important species. These include [[onion]]s (''A. cepa''), [[French shallot]]s (''A. oschaninii''), [[Leek (vegetable)|leeks]] (''A. ampeloprasum''), [[garlic]] (''A. sativum''), and [[herb]]s such as [[scallions]] (various ''Allium'' species) and [[chives]] (''A. schoenoprasum''). Some have been used as traditional medicines.{{sfn|Li et al.|2010}}


This genus also includes species that are abundantly gathered from the wild such as wild garlic (''[[Allium ursinum]]'') and ramps (''[[Allium tricoccum]]'').
This genus also includes species that are abundantly gathered from the wild such as wild garlic (''[[Allium ursinum]]'') in Europe and ramps (''[[Allium tricoccum]]'') in North America.


==References==
==References==
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}}
}}

==Sources==
* {{cite journal|last1=Brullo|first1=Salvatore |last2=Guglielmo|first2=Anna |last3=Pavone|first3=Pietro |last4=Salmeri|first4=Cristina |last5=Terrasi|first5=M. Carmen |title=Three new species of ''Allium'' sect. ''Codonoprasum'' from Greece |journal=Plant Biosystems|date=January 2003|volume=137|issue=2|pages=131–140 |doi=10.1080/11263500312331351391 |bibcode=2003PBios.137..131B |s2cid=86821437 |ref={{harvid|Brullo et al.|2003}}}}
* {{cite journal|last1=Koçyiğıt|first1=Mine|last2=Yeşıl|first2=Yeter|last3=Koyuncu|first3=Mehmet |title=''Allium dumanii'' (''A.'' sect. ''Codonoprasum'', Amaryllidaceae), a new species from E Turkey |journal=Willdenowia|date=14 January 2016|volume=46|issue=1|pages=113–119|doi=10.3372/wi.46.46109|s2cid=88440208|ref={{harvid|Koçyiğıt et al.|2016}}|doi-access=free}}
* {{cite journal |last1=Nguyen |first1=Nhu H. |last2=Driscoll |first2=Heather E. |last3=Specht |first3=Chelsea D. |year=2008 |title=A molecular phylogeny of the wild onions (''Allium''; Alliaceae) with a focus on the western North American center of diversity |journal=[[Molecular Phylogenetics and Evolution]] |volume=47 |issue=3| pages=1157–1172 |pmid=18226928 |doi=10.1016/j.ympev.2007.12.006 |bibcode=2008MolPE..47.1157N |url=https://nature.berkeley.edu/brunslab/papers/nguyen2008.pdf |ref={{harvid|Nguyen et al.|2008}}}}


==Bibliography==
==Bibliography==
{{refbegin|30em}}
{{refbegin|30em}}

=== Books ===
=== Books ===


* {{cite book|last1=Block|first1= Eric|title=Garlic and other alliums: the lore and the science|url=https://books.google.com/books?id=6AB89RHV9ucC|date=2009|publisher=[[Royal Society of Chemistry]]|location=Cambridge|isbn=978-0-85404-190-9}}
* {{cite book|last1=Block|first1=Eric|title=Garlic and other alliums: the lore and the science|url=https://books.google.com/books?id=6AB89RHV9ucC|date=2009|publisher=[[Royal Society of Chemistry]]|location=Cambridge|isbn=978-0-85404-190-9}}
* {{cite book | last=Brewster|first= J. L. | title=Onions and Other Alliums | url=https://books.google.com/books?id=eW_TiZ1jHCkC|publisher=CABI Publishing | year=2008 | isbn= 978-1-84593-399-9}}
* {{cite book| last=Brewster| first=J. L.| title=Onions and Other Alliums| url=https://books.google.com/books?id=eW_TiZ1jHCkC| publisher=CABI Publishing| year=2008| isbn=978-1-84593-399-9}}
* {{cite book | author=Davies, D. | title=Alliums: The Ornamental Onions | publisher=Timber Press | year=1992 | isbn=978-0-88192-241-7 | url=https://archive.org/details/alliums00dily }}
* {{cite book | author=Davies, D. | title=Alliums: The Ornamental Onions | publisher=Timber Press | year=1992 | isbn=978-0-88192-241-7 | url=https://archive.org/details/alliums00dily }}
* {{cite book |last=Linnaeus |first=C.| author-link=Carl Linnaeus|title=Species Plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas|date=1753 |url=https://www.biodiversitylibrary.org/bibliography/669#/summary |publisher=Impensis Laurentii Salvii|location=Stockholm|access-date=27 September 2016}}
* {{cite book|last=Linnaeus|first=C.|author-link=Carl Linnaeus|title=Species Plantarum: exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas|date=1753|url=https://www.biodiversitylibrary.org/bibliography/669#/summary|publisher=Impensis Laurentii Salvii|location=Stockholm|access-date=27 September 2016}}
* {{cite book | last1=Rabinowitch|first1= H. D.|last2= Currah|first2= L. | title=Allium Crop Sciences: Recent Advances | url=https://books.google.com/books?id=grUinwEACAAJ|publisher=CABI Publishing | year=2002 | isbn= 978-0-85199-510-6}}
* {{cite book| last1=Rabinowitch| first1=H. D.| last2=Currah| first2=L.| title=Allium Crop Sciences: Recent Advances| url=https://books.google.com/books?id=grUinwEACAAJ| publisher=CABI Publishing| year=2002| isbn=978-0-85199-510-6}}
* {{cite book|last1=Quattrocchi|first1=Umberto|title=CRC world dictionary of plant names: common names, scientific names, eponyms, synonyms, and etymology |url=https://books.google.com/books?id=8KiMmgEACAAJ|date=1999|publisher=CRC Press|location=Boca Raton, FL|isbn=978-0-8493-2673-8}}
* {{cite book|last1=Quattrocchi|first1=Umberto|title=CRC world dictionary of plant names: common names, scientific names, eponyms, synonyms, and etymology|url=https://books.google.com/books?id=8KiMmgEACAAJ|date=1999|publisher=CRC Press|location=Boca Raton, FL|isbn=978-0-8493-2673-8}}
* {{cite book | last=Woodward|first= P. | title=Garlic and Friends: The History, Growth and Use of Edible Alliums | url=https://books.google.com/books?id=PF4XnwEACAAJ|publisher=Hyland House | year=1996 | isbn= 978-1-86447-009-3}}
* {{cite book| last=Woodward| first=P.| title=Garlic and Friends: The History, Growth and Use of Edible Alliums| url=https://books.google.com/books?id=PF4XnwEACAAJ| publisher=Hyland House| year=1996| isbn=978-1-86447-009-3}}


=== Chapters ===
=== Chapters ===
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* {{cite journal|last1=Banfi|first1=Enrico|last2=Galasso|first2=Gabriele|last3=Soldano|first3=Adriano|title=Notes on systematics and taxonomy for the Italian vascular flora. 2.|url=http://sisn.pagepress.org/nhs/article/download/nhs.2011.85/36|journal=Natural History Sciences (Milan)|date=1 September 2011|volume=152|issue=2|pages=85–106|doi=10.4081/nhs.2011.85|doi-access=free}}
* {{cite journal|last1=Banfi|first1=Enrico|last2=Galasso|first2=Gabriele|last3=Soldano|first3=Adriano|title=Notes on systematics and taxonomy for the Italian vascular flora. 2.|url=http://sisn.pagepress.org/nhs/article/download/nhs.2011.85/36|journal=Natural History Sciences (Milan)|date=1 September 2011|volume=152|issue=2|pages=85–106|doi=10.4081/nhs.2011.85|doi-access=free}}
* {{cite journal|last1=von Berg|first1=Gerlinde Linne|last2=Samoylov|first2=Alexander|last3=Klaas|first3=Manfred|last4=Hanelt|first4=Peter|title=Chloroplast DNA restriction analysis and the infrageneric grouping of Allium (Alliaceae)|journal=[[Plant Systematics and Evolution]]|date=September 1996|volume=200|issue=3–4|pages=253–261|doi=10.1007/bf00984939|s2cid=12751231|ref={{harvid|von Berg et al|1996}}}}
* {{cite journal|last1=von Berg|first1=Gerlinde Linne|last2=Samoylov|first2=Alexander|last3=Klaas|first3=Manfred|last4=Hanelt|first4=Peter|title=Chloroplast DNA restriction analysis and the infrageneric grouping of Allium (Alliaceae)|journal=[[Plant Systematics and Evolution]]|date=September 1996|volume=200|issue=3–4|pages=253–261|doi=10.1007/bf00984939|bibcode=1996PSyEv.200..253V |s2cid=12751231|ref={{harvid|von Berg et al|1996}}}}
* {{cite journal|last1=Choi|first1=Hyeok Jae|last2=Giussani|first2=Liliana M.|last3=Jang|first3=Chang Gee|last4=Oh|first4=Byoung Un|last5=Cota-Sánchez|first5=J. Hugo|title=Systematics of disjunct northeastern Asian and northern North American ''Allium'' (Amaryllidaceae)|journal=Botany|date=June 2012|volume=90|issue=6|pages=491–508|doi=10.1139/b2012-031}}
* {{cite journal|last1=Choi|first1=Hyeok Jae|last2=Giussani|first2=Liliana M.|last3=Jang|first3=Chang Gee|last4=Oh|first4=Byoung Un|last5=Cota-Sánchez|first5=J. Hugo|title=Systematics of disjunct northeastern Asian and northern North American ''Allium'' (Amaryllidaceae)|journal=Botany|date=June 2012|volume=90|issue=6|pages=491–508|doi=10.1139/b2012-031|hdl=11336/68813|hdl-access=free}}
* {{cite journal|last1=Deniz|first1=İsmail Gökhan|last2=Genç|first2=İlker|last3=Sarı|first3=Duygu|title=Morphological and molecular data reveal a new species of ''Allium'' (Amaryllidaceae) from SW Anatolia, Turkey|journal=[[Phytotaxa]]|date=9 June 2015|volume=212|issue=4|pages=283–292|doi=10.11646/phytotaxa.212.4.4|url=http://www.biotaxa.org/Phytotaxa/article/download/phytotaxa.212.4.4/13689|ref={{harvid|Deniz et al|2015}}|doi-access=free}}
* {{cite journal|last1=Deniz|first1=İsmail Gökhan|last2=Genç|first2=İlker|last3=Sarı|first3=Duygu|title=Morphological and molecular data reveal a new species of ''Allium'' (Amaryllidaceae) from SW Anatolia, Turkey|journal=[[Phytotaxa]]|date=9 June 2015|volume=212|issue=4|pages=283–292|doi=10.11646/phytotaxa.212.4.4|url=http://www.biotaxa.org/Phytotaxa/article/download/phytotaxa.212.4.4/13689|ref={{harvid|Deniz et al|2015}}|doi-access=free}}
* {{cite journal|last1=Dubouzet|first1=J. G.|last2=Shinoda|first2=K.|last3=Murata|first3=N.|title=Phylogeny of Allium L. subgenus Rhizirideum (G. Don ex Koch) Wendelbo according to dot blot hybridization with randomly amplified DNA probes|journal=Theoretical and Applied Genetics|date=17 December 1997|volume=95|issue=8|pages=1223–1228|doi=10.1007/s001220050685|s2cid=33083704}}
* {{cite journal|last1=Dubouzet|first1=J. G.|last2=Shinoda|first2=K.|last3=Murata|first3=N.|title=Phylogeny of Allium L. subgenus Rhizirideum (G. Don ex Koch) Wendelbo according to dot blot hybridization with randomly amplified DNA probes|journal=Theoretical and Applied Genetics|date=17 December 1997|volume=95|issue=8|pages=1223–1228|doi=10.1007/s001220050685|s2cid=33083704}}
* {{cite journal|last1=Fragman-Sapir|first1=Ori|last2=Fritsch|first2=Reinhard M.|title=New species of ''Allium'' sect. ''Melanocrommyum'' from the eastern Mediterranean|journal=[[Herbertia (journal)|Herbertia]]|date=2011|volume=65|pages=31–50|url=http://img2.timg.co.il/forums/1_161874743.pdf}}
* {{cite journal|last1=Fragman-Sapir|first1=Ori|last2=Fritsch|first2=Reinhard M.|title=New species of ''Allium'' sect. ''Melanocrommyum'' from the eastern Mediterranean|journal=[[Herbertia (journal)|Herbertia]]|date=2011|volume=65|pages=31–50|url=http://img2.timg.co.il/forums/1_161874743.pdf|access-date=2016-09-22|archive-date=2016-09-23|archive-url=https://web.archive.org/web/20160923033204/http://img2.timg.co.il/forums/1_161874743.pdf|url-status=dead}}
* {{cite journal | last1 = Friesen | first1 = N. | last2 = Fritsch | first2 = R. | last3 = Bachmann | first3 = K. | year = 1997 | title = Hybrid origin of some ornamentals of ''Allium'' subgenus ''Melanocrommyum'' verified with GISH and RAPD | journal = Theoretical and Applied Genetics | volume = 95 | issue = 8| pages = 1229–1238 | doi = 10.1007/s001220050686 | s2cid = 21554910 | url = http://dare.uva.nl/personal/pure/en/publications/hybrid-origin-of-some-ornamentals-of-allium-subgenus-melanocrommyum-verified-with-gish-and-rapd(0d97d57e-1ffc-46e4-96a3-be9e7c2744aa).html }}
* {{cite journal | last1 = Friesen | first1 = N. | last2 = Fritsch | first2 = R. | last3 = Bachmann | first3 = K. | year = 1997 | title = Hybrid origin of some ornamentals of ''Allium'' subgenus ''Melanocrommyum'' verified with GISH and RAPD | journal = Theoretical and Applied Genetics | volume = 95 | issue = 8 | pages = 1229–1238 | doi = 10.1007/s001220050686 | s2cid = 21554910 | url = http://dare.uva.nl/personal/pure/en/publications/hybrid-origin-of-some-ornamentals-of-allium-subgenus-melanocrommyum-verified-with-gish-and-rapd(0d97d57e-1ffc-46e4-96a3-be9e7c2744aa).html }}
* {{cite journal | last1 = Friesen | first1 = Nikolai | last2 = Fritsch | first2 = Reinhard M. | last3 = Pollner | first3 = Sven | last4 = Blattner | first4 = Frank R. | year = 2000 | title = Molecular and Morphological Evidence for an Origin of the Aberrant Genus ''Milula'' within Himalayan Species of ''Allium'' (Alliacae) | journal = Molecular Phylogenetics and Evolution | volume = 17 | issue = 2| pages = 209–218 | doi = 10.1006/mpev.2000.0844|ref={{harvid|Friesen et al|2000}} | pmid=11083935}}
* {{cite journal | last1 = Friesen | first1 = Nikolai | last2 = Fritsch | first2 = Reinhard M. | last3 = Pollner | first3 = Sven | last4 = Blattner | first4 = Frank R. | year = 2000 | title = Molecular and Morphological Evidence for an Origin of the Aberrant Genus ''Milula'' within Himalayan Species of ''Allium'' (Alliacae) | journal = Molecular Phylogenetics and Evolution | volume = 17 | issue = 2| pages = 209–218 | doi = 10.1006/mpev.2000.0844|ref={{harvid|Friesen et al|2000}} | pmid=11083935| bibcode = 2000MolPE..17..209F }}
* {{cite journal|last1=Friesen|first1=N|last2=Fritsch|first2=RM|last3=Blattner|first3=Frank R|title=Phylogeny and new intrageneric classification of ''Allium'' (Alliaceae) based on nuclear ribosomal DNA ITS sequences|journal=Aliso|date=2006|volume=22|pages=372–395|url=https://www.researchgate.net/publication/228372845|access-date=13 October 2015|doi=10.5642/aliso.20062201.31|doi-access=free}}
* {{cite journal|last1=Friesen|first1=N|last2=Fritsch|first2=RM|last3=Blattner|first3=Frank R|title=Phylogeny and new intrageneric classification of ''Allium'' (Alliaceae) based on nuclear ribosomal DNA ITS sequences|journal=Aliso|date=2006|volume=22|pages=372–395|url=https://www.researchgate.net/publication/228372845|access-date=13 October 2015|doi=10.5642/aliso.20062201.31|doi-access=free}}
* {{cite journal|last1=Fritsch|first1=RM|last2=Gurushidze|first2=M|last3=Jedelská|first3=J|last4=Keusgen|first4=M|title=More than a pretty face - ornamental "drumstick onions" of ''Allium'' subg. ''Melanocrommyum'' are also potential medicinal plants|url=https://www.researchgate.net/publication/247472799|journal=[[Herbertia (journal)|Herbertia]]|date=2006|volume=60|pages=26–59|ref={{harvid|Fritsch et al|2006}}}}
* {{cite journal|last1=Fritsch|first1=RM|last2=Gurushidze|first2=M|last3=Jedelská|first3=J|last4=Keusgen|first4=M|title=More than a pretty face - ornamental "drumstick onions" of ''Allium'' subg. ''Melanocrommyum'' are also potential medicinal plants|url=https://www.researchgate.net/publication/247472799|journal=[[Herbertia (journal)|Herbertia]]|date=2006|volume=60|pages=26–59|ref={{harvid|Fritsch et al|2006}}}}
* {{cite journal|last1=Fritsch|first1=RM|last2=Blattner|first2=FR|last3=Gurushidze|first3=M|title=New classification of ''Allium'' L. subg. ''Melanocrommyum'' (Webb & Berthel) Rouy (Alliaceae) based on molecular and morphological characters|journal=Phyton|date=2010|volume=49|pages=145–220|url=https://www.researchgate.net/publication/234074694|access-date=13 October 2015|ref={{harvid|Fritsch et al|2010}}}}
* {{cite journal|last1=Fritsch|first1=RM|last2=Blattner|first2=FR|last3=Gurushidze|first3=M|title=New classification of ''Allium'' L. subg. ''Melanocrommyum'' (Webb & Berthel) Rouy (Alliaceae) based on molecular and morphological characters|journal=Phyton|date=2010|volume=49|pages=145–220|url=https://www.researchgate.net/publication/234074694|access-date=13 October 2015|ref={{harvid|Fritsch et al|2010}}}}
* {{cite journal|last1=Gurushidze|first1=Maia|last2=Fuchs|first2=Jörg|last3=Blattner|first3=Frank R.|title=The Evolution of Genome Size Variation in Drumstick Onions (''Allium'' subgenus ''Melanocrommyum'')|journal=[[Systematic Botany]]|date=1 March 2012|volume=37|issue=1|pages=96–104|doi=10.1600/036364412X616675|s2cid=85838253|ref={{harvid|Gurushidze et al|2012}}}}
* {{cite journal|last1=Gurushidze|first1=Maia|last2=Fuchs|first2=Jörg|last3=Blattner|first3=Frank R.|title=The Evolution of Genome Size Variation in Drumstick Onions (''Allium'' subgenus ''Melanocrommyum'')|journal=[[Systematic Botany]]|date=1 March 2012|volume=37|issue=1|pages=96–104|doi=10.1600/036364412X616675|s2cid=85838253|ref={{harvid|Gurushidze et al|2012}}}}
* {{cite journal | last1 = Hirschegger | first1 = Pablo | last2 = Jaške | first2 = Jernej | last3 = Trontelj | first3 = Peter | last4 = Bohanec | first4 = Borut | year = 2010 | title = Origins of ''Allium ampeloprasum'' horticultural groups and a molecular phylogeny of the section Allium (''Allium''; Alliaceae)". | journal = [[Molecular Phylogenetics and Evolution]] | volume = 54 | issue = 2| pages = 488–497 | doi = 10.1016/j.ympev.2009.08.030|ref={{harvid|Hirschegger et al|2010}} | pmid=19733249}}
* {{cite journal | last1 = Hirschegger | first1 = Pablo | last2 = Jaške | first2 = Jernej | last3 = Trontelj | first3 = Peter | last4 = Bohanec | first4 = Borut | year = 2010 | title = Origins of ''Allium ampeloprasum'' horticultural groups and a molecular phylogeny of the section Allium (''Allium''; Alliaceae)". | journal = [[Molecular Phylogenetics and Evolution]] | volume = 54 | issue = 2| pages = 488–497 | doi = 10.1016/j.ympev.2009.08.030|ref={{harvid|Hirschegger et al|2010}} | pmid=19733249| bibcode = 2010MolPE..54..488H }}
* {{cite journal|last1=Huang|first1=De-Qing|last2=Yang|first2=Jing-Tian|last3=Zhou|first3=Chun-Jing|last4=Zhou|first4=Song-Dong|last5=He|first5=Xing-Jin|title=Phylogenetic reappraisal of Allium subgenus Cyathophora (Amaryllidaceae) and related taxa, with a proposal of two new sections|journal=Journal of Plant Research|date=21 December 2013|volume=127|issue=2|pages=275–286|doi=10.1007/s10265-013-0617-8|pmid=24362461|s2cid=15531719}}
* {{cite journal|last1=Huang|first1=De-Qing|last2=Yang|first2=Jing-Tian|last3=Zhou|first3=Chun-Jing|last4=Zhou|first4=Song-Dong|last5=He|first5=Xing-Jin|title=Phylogenetic reappraisal of Allium subgenus Cyathophora (Amaryllidaceae) and related taxa, with a proposal of two new sections|journal=Journal of Plant Research|date=21 December 2013|volume=127|issue=2|pages=275–286|doi=10.1007/s10265-013-0617-8|pmid=24362461|s2cid=15531719}}
* {{cite journal|last1=İpek|first1=Meryem|last2=İpek|first2=Ahmet|last3=SIMON|first3=Philipp W.|title=Testing the utility of matK and ITS DNA regions for discrimination of Allium species|journal=Turkish Journal of Botany|date=2014|volume=38|pages=203–212|doi=10.3906/bot-1308-46|doi-access=free}}
* {{cite journal|last1=İpek|first1=Meryem|last2=İpek|first2=Ahmet|last3=SIMON|first3=Philipp W.|title=Testing the utility of matK and ITS DNA regions for discrimination of Allium species|journal=Turkish Journal of Botany|date=2014|volume=38|pages=203–212|doi=10.3906/bot-1308-46|doi-access=free}}
* {{cite journal | last1 = Li | first1 = R. J. | last2 = Shang | first2 = Z. Y. | last3 = Cui | first3 = T. C. | last4 = Xu | first4 = J. M. | year = 1996 | title = Studies on karyotypes and phylogenetic relationship of ''Allium'' sect. ''Caloscordum'' (Liliaceae) from China | journal = Acta Phytotax. Sin. | volume = 34 | pages = 288–295 }} [In Chinese.]
* {{cite journal | last1 = Li | first1 = R. J. | last2 = Shang | first2 = Z. Y. | last3 = Cui | first3 = T. C. | last4 = Xu | first4 = J. M. | year = 1996 | title = Studies on karyotypes and phylogenetic relationship of ''Allium'' sect. ''Caloscordum'' (Liliaceae) from China | journal = Acta Phytotax. Sin. | volume = 34 | pages = 288–295 }} [In Chinese.]
* {{cite journal|last1=Li|first1=Q.-Q.|last2=Zhou|first2=S.-D.|last3=He|first3=X.-J.|last4=Yu|first4=Y.|last5=Zhang|first5=Y.-C.|last6=Wei|first6=X.-Q.|title=Phylogeny and biogeography of Allium (Amaryllidaceae: Allieae) based on nuclear ribosomal internal transcribed spacer and chloroplast rps16 sequences, focusing on the inclusion of species endemic to China|journal=Annals of Botany|date=21 October 2010|volume=106|issue=5|pages=709–733|doi=10.1093/aob/mcq177|pmc=2958792|ref={{harvid|Li et al.|2010}}|pmid=20966186}}
* {{cite journal|last1=Li|first1=Q.-Q.|last2=Zhou|first2=S.-D.|last3=He|first3=X.-J.|last4=Yu|first4=Y.|last5=Zhang|first5=Y.-C.|last6=Wei|first6=X.-Q.|title=Phylogeny and biogeography of Allium (Amaryllidaceae: Allieae) based on nuclear ribosomal internal transcribed spacer and chloroplast rps16 sequences, focusing on the inclusion of species endemic to China|journal=Annals of Botany|date=21 October 2010|volume=106|issue=5|pages=709–733|doi=10.1093/aob/mcq177|pmc=2958792|ref={{harvid|Li et al.|2010}}|pmid=20966186}}
* {{cite journal | last1 = Nguyen | first1 = Nhu H. | last2 = Driscoll | first2 = Heather E. | last3 = Specht | first3 = Chelsea D. | year = 2008 | title = A molecular phylogeny of the wild onions (''Allium''; Alliaceae) with a focus on the western North American center of diversity | journal = Molecular Phylogenetics and Evolution | volume = 47 | issue = 3| pages = 1157–1172 | doi = 10.1016/j.ympev.2007.12.006 |ref={{harvid|Nguyen et al|2008}} | pmid=18226928}}
* {{cite journal | last1 = Nguyen | first1 = Nhu H. | last2 = Driscoll | first2 = Heather E. | last3 = Specht | first3 = Chelsea D. | year = 2008 | title = A molecular phylogeny of the wild onions (''Allium''; Alliaceae) with a focus on the western North American center of diversity | journal = Molecular Phylogenetics and Evolution | volume = 47 | issue = 3| pages = 1157–1172 | doi = 10.1016/j.ympev.2007.12.006 |ref={{harvid|Nguyen et al|2008}} | pmid=18226928| bibcode = 2008MolPE..47.1157N }}
* [https://archive.today/20130105105730/http://www3.interscience.wiley.com/journal/118721987/abstract A. Samoylov, N. Friesen, S. Pollner, P. Hanelt. Use of chloroplast DNA polymorphisms for the phylogenetic study of ''Allium'' subgenus ''Amerallium'' and subgenus ''Bromatorrhiza'' (Alliaceae) II. ''Feddes Repertorium'' Volume 110 Issue 1–2, Pages 103–109, 1999]
* [https://archive.today/20130105105730/http://www3.interscience.wiley.com/journal/118721987/abstract A. Samoylov, N. Friesen, S. Pollner, P. Hanelt. Use of chloroplast DNA polymorphisms for the phylogenetic study of ''Allium'' subgenus ''Amerallium'' and subgenus ''Bromatorrhiza'' (Alliaceae) II. ''Feddes Repertorium'' Volume 110 Issue 1–2, Pages 103–109, 1999]
* {{cite journal|last1=Seregin|first1=Alexey P.|last2=Anačkov|first2=Goran|last3=Friesen|first3=Nikolai|title=Molecular and morphological revision of the ''Allium saxatile'' group (Amaryllidaceae): geographical isolation as the driving force of underestimated speciation|journal=Botanical Journal of the Linnean Society|date=May 2015|volume=178|issue=1|pages=67–101|doi=10.1111/boj.12269|doi-access=free}}
* {{cite journal|last1=Seregin|first1=Alexey P.|last2=Anačkov|first2=Goran|last3=Friesen|first3=Nikolai|title=Molecular and morphological revision of the ''Allium saxatile'' group (Amaryllidaceae): geographical isolation as the driving force of underestimated speciation|journal=Botanical Journal of the Linnean Society|date=May 2015|volume=178|issue=1|pages=67–101|doi=10.1111/boj.12269|doi-access=free}}
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=== Websites ===
=== Websites ===
* {{cite web|title=Linnaeus Sexual System|url=http://cronklab.wikidot.com/linnaeus-sexual-system|website=CronkLab|publisher=Biodiversity Research Centre, University of British Columbia|access-date=26 January 2015|ref={{harvid|Linnaeus Sexual System|2015}}}}
* {{cite web|title=Linnaeus Sexual System|url=http://cronklab.wikidot.com/linnaeus-sexual-system|website=CronkLab|publisher=Biodiversity Research Centre, University of British Columbia|access-date=26 January 2015|ref={{harvid|Linnaeus Sexual System|2015}}}}
* {{cite web|title= Allium|website=[[World Checklist of Selected Plant Families]]|url=http://apps.kew.org/wcsp/qsearch.do?plantName=Allium |access-date=9 January 2017|publisher=[[Royal Botanic Gardens, Kew]] |ref={{harvid|WCLSPF|2015}} }}
* {{cite web |title=Allium |website=[[World Checklist of Selected Plant Families]] |url=http://apps.kew.org/wcsp/qsearch.do?plantName=Allium |access-date=9 January 2017 |publisher=[[Royal Botanic Gardens, Kew]] |ref={{harvid|WCLSPF|2015}} }}
* [https://www.dutchgrown.co.uk/collections/alliums DutchGrown: Alliums]
* [https://www.dutchgrown.co.uk/collections/alliums DutchGrown: Alliums]
* [http://www.pacificbulbsociety.org/pbswiki/index.php/Allium Pacific Bulb Society: Allium]
* [http://www.pacificbulbsociety.org/pbswiki/index.php/Allium Pacific Bulb Society: Allium]
** [http://www.pacificbulbsociety.org/pbswiki/index.php/RhizomatousAlliums Pacific Bulb Society: Rhizomatous Alliums]
** [http://www.pacificbulbsociety.org/pbswiki/index.php/RhizomatousAlliums Pacific Bulb Society: Rhizomatous Alliums]
* {{cite web |title=Genus Allium L. |website=Germplasm Resources Information Network (GRIN Taxonomy) |url=https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=403 |access-date=19 November 2023 |publisher=[[Agricultural_Research_Service|USDA, Agricultural Research Service]], [[National Plant Germplasm System]] |publication-place=National Germplasm Resources Laboratory, Beltsville, Maryland |ref={{harvid|GRIN Taxonomy|2023}} }}

{{refend}}
{{refend}}


Latest revision as of 17:06, 7 August 2024

Allium
Allium sativum[2]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Allioideae
Tribe: Allieae
Genus: Allium
L.
Type species
Allium sativum
Evolutionary lines

§ Evolutionary lines and subgenera

Synonyms[3]
Synonymy
  • Cepa Mill.
  • Moly Mill.
  • Porrum Mill.
  • Saturnia Maratti
  • Moenchia Medik. 1790, illegitimate homonym not Ehrh. 1783 nor Roth 1788 nor Wender. ex Steud. 1841
  • Ascalonicum P.Renault
  • Schoenoprasum Kunth
  • Ophioscorodon Wallr.
  • Geboscon Raf.
  • Codonoprasum Rchb.
  • Molium (G.Don) Haw.
  • Nectaroscordum Lindl.
  • Aglitheis Raf.
  • Endotis Raf.
  • Getuonis Raf.
  • Gynodon Raf.
  • Kalabotis Raf.
  • Kepa Tourn. ex Raf.
  • Kromon Raf.
  • Loncostemon Raf.
  • Maligia Raf.
  • PanstenumRaf.
  • Plexistena Raf.
  • Stelmesus Raf.
  • Stemodoxis Raf.
  • Praskoinon Raf.
  • Trigonea Parl.
  • Caloscordum Herb.
  • Berenice Salisb. 1866, illegitimate homonym not Tul. 1857
  • Briseis Salisb.
  • Butomissa Salisb.
  • Calliprena Salisb.
  • Camarilla Salisb.
  • Canidia Salisb.
  • Hexonychia Salisb.
  • Hylogeton Salisb.
  • Iulus Salisb.
  • Molyza Salisb.
  • Phyllodolon Salisb.
  • Raphione Salisb.
  • Schoenissa Salisb.
  • Xylorhiza Salisb. 1866, illegitimate homonym not Nutt. 1840
  • Anguinum Fourr.
  • Rhizirideum Fourr.
  • Scorodon Fourr.
  • Milula Prain
  • Validallium Small
Allium flavum (yellow) and Allium carinatum (purple)

Allium is a genus of monocotyledonous flowering plants with hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. It is one of about 57 genera of flowering plants with more than 500 species.[4] It is by far the largest genus in the Amaryllidaceae, and also in the Alliaceae in classification systems in which that family is recognized as separate.[5]

Allium species occur in temperate climates of the Northern Hemisphere, except for a few species occurring in Chile (such as A. juncifolium), Brazil (A. sellovianum), and tropical Africa (A. spathaceum). They vary in height between 5–150 centimetres (2–59 in). The flowers form an umbel at the top of a leafless stalk. The bulbs vary in size between species, from small (around 2–3 mm in diameter) to rather large (8–10 cm). Some species (such as Welsh onion A. fistulosum and leeks (A. ampeloprasum)) develop thickened leaf-bases rather than forming bulbs as such.

Carl Linnaeus first described the genus Allium in 1753. The generic name Allium is the Latin word for garlic,[6][7] and the type species for the genus is Allium sativum which means "cultivated garlic".[8] The decision to include a species in the genus Allium is taxonomically difficult, and species boundaries are unclear. Estimates of the number of species are as low as 260,[5] and as high as 979.[9] In the APG III classification system, Allium is placed in the family Amaryllidaceae, subfamily Allioideae (formerly the family Alliaceae).[10] In some of the older classification systems, Allium was placed in Liliaceae.[11][12][13][14][15] Molecular phylogenetic studies have shown this circumscription of Liliaceae is not monophyletic.

Various Allium have been cultivated from the earliest times, and about a dozen species are economically important as crops, or garden vegetables, and an increasing number of species are important as ornamental plants.[11][12] Plants of the genus produce chemical compounds, mostly derived from cysteine sulfoxides, that give them a characteristic onion or garlic taste and odor.[11] Many are used as food plants, though not all members of the genus are equally flavorful. In most cases, both bulb and leaves are edible. The characteristic Allium flavor depends on the sulfate content of the soil the plant grows in.[11] In the rare occurrence of sulfur-free growth conditions, all Allium species completely lose their usual pungency.

Description

[edit]
Capsule of Allium oreophilum.

The genus Allium (alliums) is characterised by herbaceous geophyte perennials with true bulbs, some of which are borne on rhizomes, and an onion or garlic odor and flavor.[16]

The bulbs are solitary or clustered and tunicate and the plants are perennialized by the bulbs reforming annually from the base of the old bulbs, or are produced on the ends of rhizomes or, in a few species, at the ends of stolons.[17] A small number of species have tuberous roots. The bulbs' outer coats are commonly brown or grey, with a smooth texture, and are fibrous, or with cellular reticulation. The inner coats of the bulbs are membranous.

Many alliums have basal leaves that commonly wither away from the tips downward before or while the plants flower, but some species have persistent foliage. Plants produce from one to 12 leaves, most species having linear, channeled or flat leaf blades. The leaf blades are straight or variously coiled, but some species have broad leaves, including A. victorialis and A. tricoccum. The leaves are sessile, and very rarely narrowed into a petiole.

The flowers, which are produced on scapes are erect or in some species pendent, having six petal-like tepals produced in two whorls. The flowers have one style and six epipetalous stamens; the anthers and pollen can vary in color depending on the species. The ovaries are superior, and three-lobed with three locules.

The fruits are capsules that open longitudinally along the capsule wall between the partitions of the locule.[17][18] The seeds are black, and have a rounded shape.

The terete or flattened flowering scapes are normally persistent. The inflorescences are umbels, in which the outside flowers bloom first and flowering progresses to the inside. Some species produce bulbils within the umbels, and in some species, such as Allium paradoxum, the bulbils replace some or all the flowers. The umbels are subtended by noticeable spathe bracts, which are commonly fused and normally have around three veins.

Some bulbous alliums increase by forming little bulbs or "offsets" around the old one, as well as by seed. Several species can form many bulbils in the flowerhead; in the so-called "tree onion" or Egyptian onion (A. × proliferum) the bulbils are few, but large enough to be pickled.

Many of the species of Allium have been used as food items throughout their ranges. There are several unrelated species that are somewhat similar in appearance to Alliums but are poisonous (e.g. in North America, death camas, Toxicoscordion venenosum), but none of these has the distinctive scent of onions or garlic.[19][20]

Taxonomy

[edit]
Main article: Taxonomy of Allium

With over 850 species[21] Allium is the sole genus in the Allieae, one of four tribes of subfamily Allioideae (Amaryllidaceae). New species continue to be described[21] and Allium is one of the largest monocotyledonous genera,[22] but the precise taxonomy of Allium is poorly understood,[22][21] with incorrect descriptions being widespread. The difficulties arise from the fact that the genus displays considerable polymorphism and has adapted to a wide variety of habitats. Furthermore, traditional classifications had been based on homoplasious characteristics (the independent evolution of similar features in species of different lineages). However, the genus has been shown to be monophyletic, containing three major clades, although some proposed subgenera are not.[22] Some progress is being made using molecular phylogenetic methods, and the internal transcribed spacer (ITS) region, including the 5.8S rDNA and the two spacers ITS1 and ITS2, is one of the more commonly used markers in the study of the differentiation of the Allium species.[21]

Allium includes a number of taxonomic groupings previously considered separate genera (Caloscordum Herb., Milula Prain and Nectaroscordum Lindl.) Allium spicatum had been treated by many authors as Milula spicata, the only species in the monospecific genus Milula. In 2000, it was shown to be embedded in Allium.[23]

Phylogeny

[edit]
Amaryllidaceae: Subfamily Allioideae

Tribe Allieae (monogeneric, Allium)

History

[edit]

When Linnaeus[1] formerly described the genus Allium in his Species Plantarum (1753), there were thirty species with this name. He placed Allium in a grouping he referred to as Hexandria monogynia (i.e. six stamens and one pistil)[24] containing 51 genera in all.[25]

Subdivision

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Linnaeus originally grouped his 30 species into three alliances, e.g. Foliis caulinis planis. Since then, many attempts have been made to divide the growing number of recognised species into infrageneric subgroupings, initially as sections, and then as subgenera further divided into sections. For a brief history, see Li et al. (2010)[22] The modern era of phylogenetic analysis dates to 1996.[26] In 2006 Friesen, Fritsch, and Blattner[27] described a new classification with 15 subgenera, 56 sections, and about 780 species based on the nuclear ribosomal gene internal transcribed spacers. Some of the subgenera correspond to the once separate genera (Caloscordum, Milula, Nectaroscordum) included in the Gilliesieae.[22][28] The terminology has varied with some authors subdividing subgenera into Sections and others Alliances. The term Alliance has also been used for subgroupings within species, e.g. Allium nigrum, and for subsections.[29]

Subsequent molecular phylogenetic studies have shown the 2006 classification is a considerable improvement over previous classifications, but some of its subgenera and sections are probably not monophyletic. Meanwhile, the number of new species continued to increase, reaching 800 by 2009, and the pace of discovery has not decreased. Detailed studies have focused on a number of subgenera, including Amerallium. Amerallium is strongly supported as monophyletic.[30] Subgenus Melanocrommyum has also been the subject of considerable study (see below), while work on subgenus Allium has focussed on section Allium, including Allium ampeloprasum, although sampling was not sufficient to test the monophyly of the section.[31]

The major evolutionary lineages or lines correspond to the three major clades. Line one (the oldest) with three subgenera is predominantly bulbous, the second, with five subgenera and the third with seven subgenera contain both bulbous and rhizomatous taxa.[22]

Evolutionary lines and subgenera

[edit]
See also: List of Allium species

The three evolutionary lineages and 15 subgenera here represent the classification schemes of Friesen et al. (2006)[27] and Li (2010),[22] and subsequent additional species[32][33][34][35] and revisions.

Cladogram of evolutionary lines in Allium[27]
Allium

First evolutionary line

Second evolutionary line

Third evolutionary line

Evolutionary lines and subgenera (number of sections/number of species)[36]

First evolutionary line

[edit]

Although this lineage consists of three subgenera, nearly all the species are attributed to subgenus Amerallium, the third largest subgenus of Allium. The lineage is considered to represent the most ancient line within Allium, and to be the only lineage that is purely bulbous, the other two having both bulbous and rhizomatous taxa. Within the lineage Amerallium is a sister group to the other two subgenera (Microscordum+Nectaroscordum).[22]

Second evolutionary line

[edit]

Nearly all the species in this lineage of five subgenera are accounted for by subgenus Melanocrommyum, which is most closely associated with subgenera Vvedenskya and Porphyroprason, phylogenetically. These three genera are late-branching whereas the remaining two subgenera, Caloscordum and Anguinum, are early branching.[22]

Third evolutionary line

[edit]

The third evolutionary line contains the greatest number of sections (seven), and also the largest subgenus of the genus Allium: subgenus Allium, which includes the type species of the genus, Allium sativum. This subgenus also contains the majority of the species in its lineage. Within the lineage, the phylogeny is complex. Two small subgenera, Butomissa and Cyathophora form a sister clade to the remaining five subgenera, with Butomissa as the first branching group. Amongst the remaining five subgenera, Rhizirideum forms a medium-sized subgenus that is the sister to the other four, larger, subgenera. This line may not be monophyletic.[22]

Proposed infrageneric groups

[edit]

Names from[37]

Etymology

[edit]

Some sources refer to Greek ἀλέω (aleo, to avoid) due to the odor of garlic.[11]

Distribution and habitat

[edit]
Wild Allium in Behbahan, Iran
Wild Allium in Behbahan, Iran

The majority of Allium species are native to the Northern Hemisphere, being spread throughout the holarctic region, from dry subtropics to the boreal zone,[22] predominantly in Asia. Of the latter, 138 species occur in China, about a sixth of all Allium species, representing five subgenera.[22] A few species are native to Africa and Central and South America.[17] A single known exception, Allium dregeanum occurs in the Southern Hemisphere (South Africa). There are two centres of diversity, a major one from the Mediterranean Basin to Central Asia and Pakistan, while a minor one is found in western North America.[22] The genus is especially diverse in the eastern Mediterranean.[34]

Ecology

[edit]

Species grow in various conditions from dry, well-drained mineral-based soils to moist, organic soils; most grow in sunny locations, but a number also grow in forests (e.g., A. ursinum),[11] or even in swamps or water.[citation needed]

Various Allium species are used as food plants by the larvae of the leek moth and onion fly[11] as well as other Lepidoptera including cabbage moth, common swift moth (recorded on garlic), garden dart moth, large yellow underwing moth, nutmeg moth, setaceous Hebrew character moth, turnip moth and Schinia rosea, a moth that feeds exclusively on Allium species.[citation needed]

Genetics

[edit]

The genus Allium has very large variation between species in their genome size that is not accompanied by changes in ploidy level.[38] This remarkable variation was noted in the discussion of the evolution of junk DNA and resulted in the Onion Test, a "reality check for anyone who thinks they have come up with a universal function for junk DNA".[39] Genome sizes vary between 7.5 Gb in A. schoenoprasum and 30.9 Gb in A. ursinum, both of which are diploid.[38]

Telomere

[edit]

The unusual telomeric sequence of 'Allium cepa' was discovered and cytologically validated to be CTCGGTTATGGG [40] A bioinformatics method for detecting this unique telomere sequence was demonstrated using SERF de novo Genome Analysis [41]

Cultivation

[edit]
Selection of cultivated alliums displayed at the BBC Gardeners' World Live show

Many Allium species have been harvested through human history, but only about a dozen are still economically important today as crops or garden vegetables.[11][42]

Ornamental

[edit]

Many Allium species and hybrids are cultivated as ornamentals.[43] These include A. cristophii and A. giganteum, which are used as border plants for their ornamental flowers, and their "architectural" qualities.[12][44] Several hybrids have been bred, or selected, with rich purple flowers. A. hollandicum 'Purple Sensation' is one of the most popular and has been given an Award of Garden Merit (H4).[45] These ornamental onions produce spherical umbels on single stalks in spring and summer, in a wide variety of sizes and colours, ranging from white (Allium 'Mont Blanc'), blue (A. caeruleum), to yellow (A. flavum) and purple (A. giganteum). By contrast, other species (such as invasive A. triquetrum and A. ursinum) can become troublesome garden weeds.[44][46]

The following cultivars, of uncertain or mixed parentage, have gained the Royal Horticultural Society's Award of Garden Merit:

Toxicity

[edit]

Dogs and cats are very susceptible to poisoning after the consumption of certain species.[11][54] Even cattle have suffered onion toxicosis.[55] Vegetables of the Allium genus can cause digestive disorders for human beings.[56]

Uses

[edit]

The genus includes many economically important species. These include onions (A. cepa), French shallots (A. oschaninii), leeks (A. ampeloprasum), garlic (A. sativum), and herbs such as scallions (various Allium species) and chives (A. schoenoprasum). Some have been used as traditional medicines.[22]

This genus also includes species that are abundantly gathered from the wild such as wild garlic (Allium ursinum) in Europe and ramps (Allium tricoccum) in North America.

References

[edit]
  1. ^ a b Linnaeus 1753, Allium I pp. 294–301
  2. ^ "1793 illustration from William Woodville: "Medical botany", London, James Phillips, 1793, Vol. 3, Plate 168: Allium sativum (Garlic). Hand-coloured engraving". Archived from the original on 2011-02-17. Retrieved 2015-04-07.
  3. ^ Kew World Checklist of Selected Plant Families
  4. ^ Frodin, David G. (2004). "History and concepts of big plant genera". Taxon. 53 (3): 753–776. doi:10.2307/4135449. JSTOR 4135449.
  5. ^ a b Knud Rahn. 1998. "Alliaceae" pages 70-78. In: Klaus Kubitzki (editor). The Families and Genera of Vascular Plants volume III. Springer-Verlag: Berlin;Heidelberg, Germany. ISBN 978-3-540-64060-8
  6. ^ Quattrocchi 1999, vol. 1 p. 91.
  7. ^ Gledhill, David (2008). "The Names of Plants". Cambridge University Press. ISBN 9780521866453 (hardback), ISBN 9780521685535 (paperback). pp 43
  8. ^ Allium In: Index Nominum Genericorum. In: Regnum Vegetabile (see § External links below).
  9. ^ The Plant List, for genus Allium
  10. ^ Chase, M.W.; Reveal, J.L. & Fay, M.F. (2009). "A subfamilial classification for the expanded asparagalean families Amaryllidaceae, Asparagaceae and Xanthorrhoeaceae". Botanical Journal of the Linnean Society. 161 (2): 132–136. doi:10.1111/j.1095-8339.2009.00999.x.
  11. ^ a b c d e f g h i Eric Block (2010). Garlic and Other Alliums: The Lore and the Science. Royal Society of Chemistry. ISBN 978-0-85404-190-9.
  12. ^ a b c Dilys Davies (1992). Alliums: The Ornamental Onions. Timber Press. ISBN 978-0-88192-241-7.
  13. ^ James L. Brewster, "Onions and Other Alliums" (Wallingford: CABI Publishing, 2008)
  14. ^ Haim D. Rabinowitch, Leslie Currah, "Allium Crop Sciences: Recent Advances" (Wallingford: CABI Publishing, 2002)
  15. ^ Penny Woodward, "Garlic and Friends: The History, Growth and Use of Edible Alliums" (South Melbourne: Hyland House, 1996)
  16. ^ Wheeler et al 2013.
  17. ^ a b c "Allium in Flora of China @". Efloras.org. Retrieved 2012-12-11.
  18. ^ "Allium in Flora of North America @". Efloras.org. Retrieved 2012-12-11.
  19. ^ Peterson, R.P. 1982. A Field Guide to Edible Wild Plants: Eastern and central North America. Houghton Mifflin, Boston.
  20. ^ Gibbons, E. 1962. Stalking the wild asparagus. David McKay, New York.
  21. ^ a b c d Deniz et al 2015.
  22. ^ a b c d e f g h i j k l m n Li et al. 2010.
  23. ^ Friesen et al 2000.
  24. ^ Linnaeus Sexual System 2015.
  25. ^ Linnaeus 1753, Hexandria monogynia I pp. 285–332.
  26. ^ von Berg et al 1996.
  27. ^ a b c Friesen, Fritsch & Blattner 2006.
  28. ^ Sykorova 2006.
  29. ^ Fritsch et al 2010.
  30. ^ Nguyen et al 2008.
  31. ^ Hirschegger et al 2010.
  32. ^ Brullo et al. 2003.
  33. ^ Nguyen et al. 2008.
  34. ^ a b Tzanoudakis & Trigas 2015.
  35. ^ Koçyiğıt et al. 2016.
  36. ^ GRIN Taxonomy 2023.
  37. ^ "Tropicos".
  38. ^ a b Ricroch, A.; Yockteng, R.; Brown, S C; Nadot, S (2005). "Evolution of genome size across some cultivated Allium species". Genome. 48 (3): 511–520. doi:10.1139/g05-017. ISSN 0831-2796. PMID 16121247. S2CID 14787301.
  39. ^ Freeling, Michael; Xu, Jie; Woodhouse, Margaret; Lisch, Damon (2015). "A Solution to the C-Value Paradox and the Function of Junk DNA: The Genome Balance Hypothesis". Molecular Plant. 8 (6): 899–910. doi:10.1016/j.molp.2015.02.009. PMID 25743198.
  40. ^ Fajkus, Petr; Peška, Vratislav; Sitová, Zdeňka; Fulnečková, Jana; Dvořáčková, Martina; Gogela, Roman; Sýkorová, Eva; Hapala, Jan; Fajkus, Jiří (December 2015). "Allium telomeres unmasked". The Plant Journal. 85 (3). Petr Fajkus et el, The Plant Journal: 337–347. doi:10.1111/tpj.13115. PMID 26716914.
  41. ^ "Allium cepa Telomere". SERF de novo Genome Analysis, BioSerf. July 2018.
  42. ^ Simonetti, Gualtiero (1990). Stanley Schuler (ed.). Simon & Schuster's Guide to Herbs and Spices. Simon & Schuster, Inc. ISBN 978-0-671-73489-3.
  43. ^ Anthony Huxley, Mark Griffiths, and Margot Levy (1992). The New Royal Horticultural Society Dictionary of Gardening. The Macmillan Press, Limited: London. The Stockton Press: New York. ISBN 978-0-333-47494-5 (set).
  44. ^ a b Brickell, Christopher (Editor-in-chief), The Royal Horticultural Society A–Z Encyclopedia of Garden Plants, p. 95, Dorling Kindersley, London, 1996, ISBN 0-7513-0303-8
  45. ^ RHS Plant Finder 2009–2010, p. 68, Dorling Kindersley, London, 2009, ISBN 978-1-4053-4176-9
  46. ^ Lloyd, Christopher & Rice, Graham, (1991). Garden Flowers From Seed, p. 45, Viking, ISBN 0-670-82455-0
  47. ^ "RHS Plantfinder - Allium 'Ambassador'". Royal Horticultural Society. 2016. Retrieved 5 January 2018.
  48. ^ "RHS Plantfinder - Allium 'Beau Regard'". Royal Horticultural Society. 1995. Retrieved 5 January 2018.
  49. ^ "RHS Plantfinder - Allium 'Gladiator'". Royal Horticultural Society. 1995. Retrieved 5 January 2018.
  50. ^ "RHS Plantfinder - Allium 'Globemaster'". Royal Horticultural Society. 1995. Retrieved 5 January 2018.
  51. ^ "Allium rosenorum 'Michael H. Hoog'". RHS. Retrieved 27 February 2020.
  52. ^ "RHS Plantfinder - Allium 'Round 'n' Purple'". Royal Horticultural Society. 2016. Retrieved 5 January 2018.
  53. ^ "Allium 'Universe'". RHS. Retrieved 27 February 2020.
  54. ^ Cope, R.B. (August 2005). "Toxicology Brief: Allium species poisoning in dogs and cats" (PDF). Veterinary Medicine. 100 (8). Edwardsville, Kansas: 562–566. eISSN 1939-1919. ISSN 8750-7943. [Peer-reviewed.]
  55. ^ Rae, Helen A. (January 1999). "Onion toxicosis in a herd of beef cows". Canadian Veterinary Journal. 40 (1): 55–57. PMC 1539652. PMID 9919370. While humans appear to be relatively resistant to onion toxicity, there is some concern about the susceptibility of certain ethnic groups that have a genetic deficiency of G6PD. / Onion toxicity depends on factors other than variation in species susceptibility. Onions contain varying amounts of disulfide and SMCO toxins, depending on the species of onion, time of year, and growing conditions. Storing onions in large piles also provides a suitable environment for contamination of the crop with other toxins, such as mycotoxins, which could contribute to the disease process.
  56. ^ Singh, Zoomi (October 12, 2022). "Potential Side Effects of Chives". Chives: Nutritional Value, Health Benefits and Potential Side Effects of Chives. Singapore: HealthifyMe. Retrieved March 17, 2023.

Sources

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