Cheiranthus asperus


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Noun1.Cheiranthus asperus - biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus
flower - a plant cultivated for its blooms or blossoms
Erysimum, genus Erysimum - large genus of annual or perennial herbs some grown for their flowers and some for their attractive evergreen leaves; Old World and North America