biennial or short-lived perennial prairie rocket having orange-yellow flowers; western North America to Minnesota and Kansas; sometimes placed in genus Cheiranthus.

• 橙黄色花瓣的两年一开花且开花期短的多年生草原芝麻菜；分布于北美西部到明尼苏达和堪萨斯一带；有时归为桂竹香属。