Wyethia is a genus of North American flowering plants in the family Asteraceae.Nuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): 39–40 description in Latin, commentary in EnglishNuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): plate V (5) full-page line drawing of Wyethia helianthoidesTropicos, Wyethia Nutt. First published by Thomas Nuttall in J. Acad. Nat. Sci. Philadelphia vol.7 on page 39 in 1834.
These plants are commonly referred to as mule's ears. They are short, low to the ground golden-rayed wildflowers that resemble miniature sunflowers.Flora of North America Vol. 21 Page 100 The genus is named for an early explorer of the western United States, American Nathaniel Jarvis Wyeth, 1802–1856.
Species As accepted by Kew; and Biota of North America Program;Biota of North America Program 2013 county distribution maps Image Name Distribution Wyethia amplexicaulis - northern mule's ears, black sunflower WA OR ID MT NV WY UT CO Wyethia angustifolia - California compassplant, narrowleaf wyethia WA OR CA Wyethia arizonica - Arizona mule's ears AZ NM UT CO Wyethia x cusickii OR ID NV Wyethia glabra - Coast Range mule's ears CA Wyethia helenioides - gray mule's ears, whitehead mule's ears CA Wyethia helianthoides - sunflower mule's ears OR ID NV WY MT Wyethia longicaulis - Humboldt mule's ears CA Wyethia mollis - woolly mule's ears CA OR NV Wyethia × magna CO NM Wyethia ovata California, Baja CaliforniaWyethia sagittata Oregon
formerly included; Agnorhiza. Scabrethia and Vigethia
References
External links
Jepson Manual Treatment USDA Plants Profile Photo gallery