Helianthus neglectus
Helianthus neglectus is a species of sunflower known by the common names neglected sunflower. It is native to the southwestern United States in southeastern New Mexico and West Texas.[1]
| Helianthus neglectus | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. neglectus |
| Binomial name | |
| Helianthus neglectus Heiser 1958 not Otto ex A.Gray 1884 | |
Helianthus neglectus grows on sand dunes and other sandy soil. This wildflower is an annual herb up to 200 cm (almost 7 ft) tall, growing from a thick, fleshy taproot. One plant produces one to five flower heads containing 21-31 yellow ray florets surrounding 150 or more red or purple disc florets.[2][3]
Helianthus neglectus hybridizes with several other species in the region: H. annuus, H. debilis, and H. petiolaris.[3]
References
- Biota of North America Program 2014 county distribution map
- Flora of North America Helianthus neglectus Heiser, 1958. Neglected sunflower
- Heiser, Charles Bixler 1958. Rhodora 60(718): 275–279 description in Latin, commentary in English, full-page line drawing on page 276
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