Helianthus arizonensis
| Helianthus arizonensis | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Heliantheae |
| 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.[2]
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.[3][4]
References
- ^ Rhodes, L. & Maxted, N. (2016). "Helianthus arizonensis". IUCN Red List of Threatened Species. 2016 e.T20694246A20695266. doi:10.2305/IUCN.UK.2016-3.RLTS.T20694246A20695266.en. Retrieved 9 March 2026.
- ^ 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
