- wallflower - any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers
--1 is a kind of flower
--1 is a member of Erysimum, genus Erysimum
--1 has particulars: Siberian wall flower, Erysimum allionii, Cheiranthus allionii- 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; sometimes placed in genus Erysimum
--2 is a kind of flower
--2 is a member of Cheiranthus, genus Cheiranthus- wallflower - remains on sidelines at social event
--3 is a kind of shy person, shrinking violet
- 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; sometimes placed in genus Erysimum