Siberian wall flower

Noun

1.

Siberian wall flower - showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus Synonyms: Cheiranthus allionii, Erysimum allionii

Cheiranthus allionii, Erysimum, Erysimum allionii, genus Erysimum, wallflower