''Wyethia'' is a genus of
North American flowering plants in the family
Asteraceae. 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
sunflower
The common sunflower (''Helianthus annuus'') is a large annual forb of the genus ''Helianthus'' grown as a crop for its edible oily seeds. Apart from cooking oil production, it is also used as livestock forage (as a meal or a silage plant), as ...
s. 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
/ref>
* '' 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 California
* '' Wyethia sagittata'' - Oregon
; formerly included;[
'' Agnorhiza''. '' Scabrethia'' and '']Vigethia
''Vigethia'' is a genus of Mexican flowering plants in the tribe Heliantheae within the family Asteraceae.
;Species
There is only one known species, ''Vigethia mexicana'', called the Mexican green-eyed sunflower, native to the State of Nuevo Leà ...
''
References
External links
*
Jepson Manual Treatment
USDA Plants Profile
Photo gallery
Asteraceae genera
Flora of North America
{{Heliantheae-stub