Any of several plants of the genus Thlaspi,having small,flattened seed pods with winglike margins,especially the Eurasian species T.arvense,a weed naturalized throughout North America.

• 菥?一种长有小而扁平的豆荚且其边缘如翼状的菥?属植物，尤指从欧亚移植到北美大陆的草菥?