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Helianthus pumilus

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Helianthus pumilus

Apparently Secure  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Helianthus
Species:
H. pumilus
Binomial name
Helianthus pumilus
Nutt. 1841

Helianthus pumilus is a North American species of sunflower known by the common name little sunflower[1] or bush sunflower.[2] It is found in the western United States, primarily the Rocky Mountain region of Montana, Wyoming, and Colorado, with a few isolated populations in Utah and Idaho.[3]

Helianthus pumilus grows on dry rocky soil in the mountains and nearby plains. It is a perennial herb up to 100 cm (40 inches) tall. One plant usually produces 1–6 flower heads, each containing 8–13 yellow ray florets surrounding 30 or more yellow or brown disc florets.[1][4]

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