Noun: 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
"Erysimum asperum brightens prairie landscapes";
- western wall flower, Cheiranthus asperus, Erysimum arkansanum
Type of: flower
Part of: Erysimum, genus Erysimum
Encyclopedia: Erysimum asperum