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.

• 菥蓂一种长有小而扁平的豆荚且其边缘如翼状的菥蓂属植物，尤指从欧亚移植到北美大陆的草菥蓂