cheiranthus asperus

1 definition found

cheiranthus asperus - WordNet (r) 2.1 (2005) :

  Cheiranthus asperus
      n 1: biennial or short-lived perennial prairie rocket having
           orange-yellow flowers; western North America to Minnesota
           and Kansas; sometimes placed in genus Cheiranthus [syn:
           western wall flower, Erysimum asperum, Cheiranthus asperus
           , Erysimum arkansanum]