Helianthus pumilus
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| Helianthus pumilus | |
|---|---|
| File:Helianthus pumilus 01.jpg | |
| 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]
References
- ↑ 1.0 1.1 Flora of North America, Helianthus pumilus Nuttall, 1841. Little sunflower
- ↑ United States Department of the Interior, National Park Service, Rocky Mountain National Park, Bush Sunflower helianthus pumilus
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Nuttall, Thomas 1841. Transactions of the American Philosophical Society, new series 7: 366–367
External links
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