cheiranthus | (n) Old World perennial plants grown for their showy flowers, Syn. genus Cheiranthus |
siberian wall flower | (n) showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus, Syn. Cheiranthus allionii, Erysimum allionii |
wallflower | (n) perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum, Syn. Cheiranthus cheiri, Erysimum cheiri |
western wall flower | (n) biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus, Syn. Erysimum asperum, Cheiranthus asperus, Erysimum arkansanum |