Noun: Erysimum arkansanum
- Biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus
"Erysimum arkansanum brightens prairie landscapes";
- western wall flower, Erysimum asperum, Cheiranthus asperus
Type of: flower
Part of: Erysimum, genus Erysimum