Wyethia arizonica

Wyethia arizonica, the Arizona mule's ears, is a plant species native to Arizona, Colorado, New Mexico and Utah. It grows in meadows in coniferous forests at elevations of 600–3,000 m (2,000–9,800 ft).^[1]

Wyethia arizonica
Conservation status
Secure  (NatureServe)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Wyethia
Species:	W. arizonica
Binomial name
Wyethia arizonica A. Gray

Wyethia arizonica is a perennial herb with a large taproot, the shoot up to 100 cm (39 in) tall. Leaves are elliptic to lanceolate, up to 30 cm (12 in) long. Flower heads are 1-4 per plant, with yellow flowers.^[2][3][4]

References

1. Flora of North America v 21 p 103.
2. Gray, Asa. Notes on Compositae and characters of certain genera and species, etc. Proceedings of the American Academy of Arts and Sciences 8: 631-661. 1873.
3. Cronquist, A.J. 1994. Asterales. 5: 1–496. In A.J. Cronquist, A. H. Holmgren, N. H. Holmgren, J. L. Reveal & P. K. Holmgren (eds.) Intermountain Flora. Hafner Pub. Co., New York.
4. Weber, W. A. 1946. A taxonomic and cytological study of the genus Wyethia, family Compositae, with notes on the related genus Balsamorhiza. American Midland Naturalist 35: 400–452.