Helianthus × cinereus
| Helianthus × cinereus | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Helianthus |
| Species: | H. × cinereus
|
| Binomial name | |
| Helianthus × cinereus | |
Helianthus × cinereus is a species of sunflower native to the United States, in Missouri, Kentucky, Indiana, and Ohio.[2] H. cinereus was proposed as a new species by Torrey and Gray in 1842. It is a natural hybrid with similar features to artificial hybrids between Helianthus mollis and Helianthus occidentalis.[2][3]
References
[edit]- ^ Helianthus cinereus The Plant List. Accessed 22 February 2019.
- ^ a b Helianthus ×cinereus Torr. & A. Gray (pro sp.) (mollis × occidentalis). USDA - Natural Resources Conservation Service. Accessed 22 February 2019
- ^ R. C. Jackson and A. T. Guard Natural and Artificial Hybridization Between Helianthus mollis and H. occidentalis The American Midland Naturalist Vol. 58, No. 2 (Oct., 1957), pp. 422-433 (12 pages). Accessed 22 February 2019
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