| Helianthus arizonensis | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. arizonensis |
| Binomial name | |
| Helianthus arizonensis R.C.Jacks. | |
Helianthus arizonensis is a North American species of sunflower known by the common name Arizona sunflower. It is native to the States of Arizona and New Mexico in the southwestern United States.[1]
Helianthus arizonensis is a perennial herb up to 30 cm (12 inches) tall. Its leaves have no hairs. One plant produces 1-7 flower heads, each head with 10-14 yellow ray florets surrounding at least 30 yellow disc florets.[2][3]
References
- ↑ Biota of North America Program 2014 county distribution map
- ↑ Flora of North America, Helianthus arizonensis R. C. Jackson, 1963. Arizona sunflower
- ↑ Jackson, Raymond Carl 1963. Brittonia 15(3): 266
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