Wyethia

mule's ears
Wyethia helenioides
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Heliantheae[1]
Genus:	Wyethia Nutt.
Synonyms[1]
Alarconia DC. Balsamorhiza Hook. ex Nutt. Espeletia Nutt. Melarhiza Kellogg

Wyethia is a genus of North American flowering plants in the sunflower family.^[2][3][4]

These plants are commonly referred to as mule's ears. They are short, low to the ground golden-rayed wildflowers that resemble miniature sunflowers. The genus is named for an early explorer of the western United States, Nathaniel Jarvis Wyeth, 1802–1856.^[5]

Species^[1][6]

1. Wyethia amplexicaulis - northern mule's ears, black sunflower - WA OR ID MT NV WY UT CO
2. Wyethia angustifolia - California compassplant, narrowleaf wyethia - WA OR CA
3. Wyethia arizonica - Arizona mule's ears - AZ NM UT CO
4. Wyethia cusickii - OR ID NV
5. Wyethia glabra - Coast Range mule's ears - CA
6. Wyethia helenioides - gray mule's ears, whitehead mule's ears - CA
7. Wyethia helianthoides - sunflower mule's ears - OR ID NV WY MT
8. Wyethia longicaulis - Humboldt mule's ears - CA
9. Wyethia mollis - woolly mule's ears - CA OR NV
10. Wyethia × magna - CO NM
11. Wyethia ovata - California, Baja California
12. Wyethia robusta - Oregon

formerly included^[1]

see: Agnorhiza Scabrethia Vigethia

References

1. Flann, C (ed) 2009+ Global Compositae Checklist
2. Nuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): 39–40 description in Latin, commentary in English
3. Nuttall, Thomas. 1834. Journal of the Academy of Natural Sciences of Philadelphia 7(1): plate V (5) full-page line drawing of Wyethia helianthoides
4. Tropicos, Wyethia Nutt.
5. Flora of North America Vol. 21 Page 100
6. Biota of North America Program 2013 county distribution maps

External links

• Media related to Wyethia at Wikimedia Commons
• Jepson Manual Treatment
• USDA Plants Profile
• Photo gallery