|
wallflower, Cheiranthus cheiri, Erysimum cheiri | perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; 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 ❲Erysimum cheiri, Cheiranthus cheiri❳ |