Etymology: Stachys: from the Greek stachus for "ear of grain" or "a spike," in reference to the spike-like form of the flowers
Plants: erect, perennial, to 40" tall, aromatic forb, not hairy; stems square, usually unbranched
Leaves: opposite, thin, oblong with a pointed tip, toothed, stalked
Flowers: pink, 5-parted, 3/8"-2/3" long, ; inflorescence separated whorls of stalkless flowers from the upper leaf axils; blooms June-Aug.
Fruits: 1-seeded nutlet
Habitat: shade; moist
Floristic Rating: Coefficient of Conservatism = 6, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"