Helianthus deserticola explained

Helianthus deserticola, the desert sunflower, is a plant species native to Arizona, Nevada and Utah.^[1] It grows in dry, sun-lit locations at elevations of 400-.^[2]

Helianthus deserticola is a daughter species of the species Helianthus annuus and Helianthus petiolaris.^[3]

Helianthus deserticola is an annual herb up to tall with abundant resin dots on the foliage. Leaves are up to long. Flower heads contain approximately 7-13 ray flowers and more than 25 disc flowers.^[4]

Notes and References

1. http://bonap.net/MapGallery/County/Helianthus%20deserticola.png Biota of North America Program 2014 county distribution map
2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=250066878 Flora of North America, Helianthus deserticola Heiser, 1960. Desert sunflower
3. Gross, Briana L, et al. “Selective Sweeps in the Homoploid Hybrid Species Helianthus Deserticola: Evolution in Concert across Populations and across Origins.” Molecular Ecology, Wiley/Blackwell (10.1111), 13 Dec. 2007, onlinelibrary.wiley.com/resolve/doi?DOI=10.1111%2Fj.1365-294X.2007.03574.x.
4. Heiser, Charles Bixler. Proceedings of the Indiana Academy of Science 70: 209, 212, f. 1. 1960.