Machaeranthera asteroides

Machaeranthera asteroides
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Machaeranthera
Species:	M. asteroides
Binomial name
Machaeranthera asteroides (Torr.) Greene
Synonyms
Synonymy Aster amplifolius (Wooton & Standl.) Kittell Dieteria asteroides Torr. Machaeranthera amplifolia Wooton & Standl. Machaeranthera pruinosa A.Gray Machaeranthera simplex Wooton & Standl. Machaeranthera verna A.Nelson Machaeranthera lagunensis D.D.Keck, syn of var. lagunensis

Machaeranthera asteroides (fall tansyaster) is a North American species of plants in the sunflower family. It is native to the southwestern United States (California, Arizona, Nevada, New Mexico, Colorado, Utah) and northern Mexico (Chihuahua, Sonora, Baja California).

Machaeranthera asteroides is a biennial or perennial herb with a woody taproot. It often grows in a clump of several stems. Ray florets in the flower heads are white or purple, and female. Disc florets are yellow and bisexual.

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Wikipedia