Leonurus Cardiaca. Mint Family. June - Aug.
An erect, branched plant 2 - 4 feet high, found in waste places, generally near dwellings. Nova Scotia to North Carolina, west to Minnesota and Nebraska. Naturalized from Europe.
Pale lilac or white, small, upper lip bearded, clustered in the axils of the upper leaves.
Opposite, long-stemmed, lower leaves variously cut and toothed, upper leaves 3-cleft.