| Helianthus hirsutus | |
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| Conservation status | |
 Least Concern (IUCN 3.1) | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. hirsutus |
| Binomial name | |
| Helianthus hirsutus Raf. 1820 | |
| Synonyms | |
Synonymy
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Helianthus hirsutus is a North American species of sunflower known by the common name hairy sunflower. It is widespread across south-central Canada, the eastern and central United States, and northeastern Mexico. It ranges from Ontario south to Florida, Coahuila, and Nuevo León, and west as far as Minnesota, Nebraska, and Texas.
Helianthus hirsutus is a perennial sometimes as much as 200 cm (almost 7 feet) tall, spreading by means of underground rhizomes. Leaves and stems are covered with stiff hairs. One plant can produce 1–7 flower heads, each with 10–15 yellow ray florets surrounding 40 or more yellow disc florets. The species grows in sunny locations in open forests or along the edges of forests.
See also
References
- "Helianthus hirsutus". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
- "Helianthus hirsutus". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
- Schilling, Edward E. (2006). "Helianthus hirsutus". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
External links
- Native Plant Database profile, Lady Bird Johnson Wildflower Center, University of Texas at Austin
| Taxon identifiers | |
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| Helianthus hirsutus |
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