Etymology: Glechoma: Greek name for thyme or pennyroyal
Plants: erect to creeping, perennial, 1"-16" tall forb with rank odor; stems square
Leaves: opposite, all similar, stalked, rounded with rounded teeth
Flowers: purple, 5-parted, 1/3"-3/4" long; inflorescence usually 3 short-stalked flowers in loose whorls from the leaf axils; blooms April-June
Fruits: 1-seeded nutlet
Habitat: moderate moisture; disturbed sites, woods, lawns
Hazardous: Careful, this plant is hazardous!
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive

Floristic Rating: Wetland Indicator = FACU Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions 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 Purple Sage - Ethnobotanical Information: Detailed usage, preparation, and other helpful information Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"