western wall flower

Noun western wall flower has 1 sense

• western wall flower(n = noun.plant) cheiranthus asperus, erysimum arkansanum, 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;
is a kind of flower
is a member of erysimum, genus erysimum