cheiranthus_cheiri
1. [ noun ] (botany) 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
Synonyms: Erysimum_cheiri wallflower
Related terms: flower Cheiranthus
Similar spelling:   Cheiranthus_allionii
  Cheiranthus_asperus