genus of stout Old World herbs having flowers in whorls
双语例句
Any of several Eurasian plants of the genus Leonurus,especially L. cardiaca,a weed having clusters of small purple or pink flowers and spine-tipped calyx lobes. 益母草，茺蔚任一种生活于欧亚大陆的茺蔚属植物，尤指山艾属野草，开紫色或粉色小花串，生有尖端有刺的花萼裂片。
