self heal - Prunella vulgaris var. lanceolata

"Prunella vulgaris" is an herbaceous plant in the genus "Prunella". Self-heal is edible: the young leaves and stems can be eaten raw in salads; the whole plant can be boiled and eaten as a potherb; and the aerial parts of the plant can be powdered and brewed in a cold infusion to make a beverage.