cheiranthus_allionii
1. [ noun ] (botany) showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus
Synonyms: Erysimum_allionii Siberian_wall_flower
Related terms: wallflower Erysimum
Similar spelling:   Cheiranthus_cheiri
  Cheiranthus_asperus