Prunella vulgaris L.
Family: Lamiaceae
heal-all, lawn prunella, self-heal
Prunella vulgaris image
Merel R. Black  
Etymology: Prunella: from a German brunella for "quinsy," a malady that this plant was used to treat
Plants: perennial forb; stems square
Leaves: opposite
Flowers: 5-parted
Fruits: 1-seeded nutlet