Also found in: Thesaurus.
Related to Erysimum allionii: Cheiranthus allionii
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|Noun||1.||Erysimum allionii - showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus|
Erysimum, genus Erysimum - large genus of annual or perennial herbs some grown for their flowers and some for their attractive evergreen leaves; Old World and North America
wallflower - any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers