Any of several herbs of the genera Ajuga and Lycopus in the mint family, having opposite leaves, square stems, and axillary clusters of purplish to white flowers.

• 夏枯草，筋骨草属植物一种唇形科筋骨草属和石松属的草本植物，有对生的叶子，直茎，腋生的紫色到白色花簇