A variable plant with flowers ranging from deep violet to white. It is adaptable to every habitat from open woods to fields, and often pops up in lawns, where it will bloom very low to the ground and sometimes escape the mower. The flower heads that develop into thick thumbs are distinctive. The plants above and below were blooming in a field in South Park.
This plant was blooming in mowed grass in Schenley Park.
For a description of the species, see the Prunella vulgaris reference page.