An aromatic Eurasian plant(Marrubium vulgare) having square stems, opposite leaves with white pubescence, and numerous white flowers in axillary cymes. The leaves yield a bitter extract used in flavoring and as a cough remedy.

• 夏至草一种芳香的生长于欧亚大陆的（欧夏至草欧夏至草属）植物，其茎宽阔；生有对生叶，上有白色短柔毛；有无数呈腋生聚伞花序的白色花。从其叶可提取一种苦涩的液体，用作调味品或咳嗽药