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.
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Words linked to "Erysimum asperum" : western wall flower, Erysimum arkansanum, Cheiranthus asperus, Erysimum, genus Erysimum, flower |
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