erysimum_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: Cheiranthus_allionii Siberian_wall_flower
Related terms: wallflower Erysimum
Similar spelling:   Erysimum_cheiri
  Erysimum_asperum
  Erysimum_arkansanum