Erysimum asperum

Noun

1.

Erysimum asperum - biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus Synonyms: Cheiranthus asperus, Erysimum arkansanum, western wall flower

Cheiranthus asperus, Erysimum, Erysimum arkansanum, flower, genus Erysimum, western wall flower