Noun | 1. | ![]() dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs Brassicaceae, Cruciferae, family Brassicaceae, family Cruciferae, mustard family - a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives wallflower - any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers prairie rocket - any of several North American plants of the genus Erysimum having large yellow flowers Cheiranthus allionii, Erysimum allionii, Siberian wall flower - showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus Cheiranthus asperus, Erysimum arkansanum, Erysimum asperum, western wall flower - biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus Erysimum cheiranthoides, wormseed mustard - slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic |