Any of several western American plants of the genus Cheiranthus having large yellow flowers. 开有大型黄花的桂竹香属美洲西部植物。
Showy erect biennial or short-lived perennial cultivated for its terminal racemes of orange-yellow flowers; sometimes placed in genus Cheiranthus. 橙黄色花,单竖立花序,两年一开花且花期短的多年生植物;有时归桂竹香属。