Swertia | |
---|---|
Swertia perennis | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Gentianales |
Family: | Gentianaceae |
Subtribe: | Swertiinae |
Genus: | Swertia L. |
Type species | |
Swertia perennis L. | |
Species | |
120–150; see text | |
Synonyms [1] [2] [3] | |
Probable synonyms
Possible synonyms
|
Swertia is a genus in the gentian family containing plants sometimes referred to as the felworts. [4] Some species bear very showy purple and blue flowers. [5] [6] Many members of this genus have medicinal and cultural purposes. [7]
Plants of genus Frasera are sometimes considered part of this genus, sometimes as a separate genus, and sometimes as synonymous.
Species in the genus Swertia include, but are not limited to: [1] [8]
Swertia contains the chemicals sawertiamarine, mangeferin and amarogenitine [9] 1,5,8-trihydroxy-3-methoxyxanthone, 1-hydroxy-2,3,5,7-tetramethoxyxanthone, 1-hydroxy-3,5,8-trimethoxyxanthone, 1-hydroxyl-2,3,4,6-tetramethoxyxanthone, 1-hydroxy-2,3,4,7-tetramethoxyxanthone, 1,8-dihydroxy-3,5-dimethoxyxanthone, 1,7-dihydroxy-3,8-dimethoxyxanthone, 1,3,5,8-tetrahydroxyxanthone, balanophonin, oleanolic acid, maslinic acid, and sumaresinolic acid. [10] Swerilactones from Swertia mileensis showed anti-hepatitis B virus activity in vitro . [11]
Swertia is used in Indian Ayurvedic Herbal System to cure Fever as in Laghu sudarshana churna, Maha sudarshan Churna and in Tibetan folk medicine. [12] [ full citation needed ] It is also one of the most widely used medicinal plants of Sikkim, and is considered Vulnerable based on IUCN CAMP Criteria. [13]
Gentiana is a genus of flowering plants belonging to the gentian family (Gentianaceae), the tribe Gentianeae, and the monophyletic subtribe Gentianinae. With over 300 species, it is considered a large genus. Gentians are notable for their mostly large trumpet-shaped flowers, which are often of an intense blue hue.
Viburnum is a genus of about 150–175 species of flowering plants in the moschatel family, Adoxaceae. Its current classification is based on molecular phylogeny. It was previously included in the honeysuckle family Caprifoliaceae.
The docks and sorrels, genus Rumex, are a genus of about 200 species of annual, biennial, and perennial herbs in the buckwheat family, Polygonaceae. Members of this genus are very common perennial herbs with a native almost worldwide distribution, and introduced species growing in the few places where the genus is not native.
Gentianaceae is a family of flowering plants of 105 genera and about 1600 species.
Adenophora is a genus of flowering plants in the family Campanulaceae, the bellflowers. Plants of this genus are known commonly as ladybells. Most of the species in the genus are native to eastern Asia, with a few in Europe. Many are endemic to either China or Siberia.
Gyalshing District or Geyzing District is a district of the Indian state of Sikkim. Its headquarter is Geyzing, also known as Gyalshing. The district is a favourite with trekkers due to the high elevations. Other important towns include Pelling and Yuksom. Local people also call it as Pallo-Sikkim and Sano-Sikkim commonly.
Ethnobiology is the multidisciplinary field of study of relationships among peoples, biota, and environments integrating many perspectives, from the social, biological, and medical sciences; along with application to conservation and sustainable development. The diversity of perspectives in ethnobiology allows for examining complex, dynamic interactions between human and natural systems.
Anaphalis is a genus of herbaceous and woody flowering plants within the family Asteraceae, whose members are commonly known by the name pearl or pearly everlasting. There are around 110 species with the vast majority being native to central and southern Asia. There is one species native to North America that is fairly well known and popular in cultivation, namely the western pearly everlasting.
Astilbe is a genus of 18 species of rhizomatous flowering plants within the family Saxifragaceae, native to mountain ravines and woodlands in Asia and North America. Some species are known by the common names false goat's beard and false spirea.
Khangchendzonga National Park, also Kanchenjunga Biosphere Reserve, is a national park and a biosphere reserve located in Sikkim, India. It was inscribed to the UNESCO World Heritage Sites list in July 2016, becoming the first "Mixed Heritage" site of India. It was included in the UNESCO Man and the Biosphere Programme. The park is named after the mountain Kangchenjunga, which is the third-highest peak in the world at 8,586 m (28,169 ft) tall. The total area of the park is 849.5 km2 (328.0 sq mi).
Shingba Rhododendron Sanctuary is a nature park in the Indian state of Sikkim. It has forty species of rhododendron trees. It is located in the Yumthang Valley of Flowers north of Lachung in North Sikkim district. Bird species found in the park include Wood snipe and Hoary-throated barwing. The sanctuary is part of the Sacred Himalayan Landscape.
Kyongnosla Alpine Sanctuary is a nature reserve in Gangtok district, Sikkim, India. It is situated around the area adjoining the Tsomgo (Changu) lake along the Nathula Road. Located about 31 km (19 mi) east of Gangtok, the capital of Sikkim, this sanctuary covers an area of about 31 km2 (12 sq mi), and extends from the "15th Mile" police check point up to and along the ridges bordering the Rong Chu Valley and Lake Tsomgo.
The Eastern Himalayas extend from eastern Nepal across Northeast India, Bhutan, the Tibet Autonomous Region to Yunnan in China and northern Myanmar. The climate of this region is influenced by the monsoon of South Asia from June to September. It is a biodiversity hotspot, with notable biocultural diversity.
Oroxylum indicum is a species of flowering plant of the monotypic genus Oroxylum in the family Bignoniaceae. It is commonly called Indian trumpet tree, oroxylum, Indian trumpet flower, broken bones, scythe tree or tree of Damocles. It can reach a height of 18 metres (59 ft). Various segments of the tree are used in traditional medicine.
Dendrophthoe is a genus of hemiparasitic shrubs found in Asia and Australia known as mistletoes. The genus was described by German naturalist Carl Friedrich Philipp von Martius in 1830. Species in this genus have a variety of reported uses in the medical traditions of the region, most notably in Nepal.
Bergenia ciliata is a plant species in the genus Bergenia, deciduous in USDA Zones 5 to 7, but usually remain semi-evergreen south of Zone 7. It is found in Northern India in Uttarakhand and Himachal Pradesh. This flower is related to the famous Phool Dei Festival celebrated in Uttarakhand. It is commonly known in India as Pathar phor buti. Also found in mountain areas of West Bengal, like Kalimpong, and Darjeeling. Afghanistan, south Tibet, Northern Nepal, Bhutan.
Allium sikkimense is a plant species native to Sikkim, Tibet, Bhutan, Nepal, India and parts of China. It grows in meadows and on the edges of forests at elevations of 2400–5000 m. The species is cultivated as an ornamental in other regions because of its strikingly beautiful blue flowers. It is used medicinally in the Sikkim Eastern Himalayas.
Berberis napaulensis Nepali: जमाने मान्द्रो is a shrub in the family Berberidaceae described as a species in 1821. It is native to China and the Himalayas. This species is used medicinally throughout the Sikkim Eastern Himalayas.
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