Family: Lamiaceae
creeping-Charlie, gill-over-the-ground, ground-ivy
Christopher Noll
Merel R. Black
University of Wisconsin - Madison (WIS-VP)
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
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-JuneFruits: 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
The bane of suburban lawns, this is an aggressive European introduction that smothers the ground; first collected in 1876. Found in all kinds of urban and disturbed areas such as lawns, farmyards, fields, roadsides, ditches, railroad corridors, dumps, and quarries. Also invading lowland forests, mesic woods with both conifers and hardwoods, drier forests of oak-pine, marshes, streambanks, lakeshores, cliffs, talus slopes, sedge meadows and savannas; even on islands in the Great Lakes.
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"
Merel R. Black
Christopher Noll
Merel R. Black
Merel R. Black
Merel R. Black
Michael Clayton
Merel R. Black
Derek Anderson
Merel R. Black
Janice Stiefel
Stephen L. Solheim
Robert Bierman
Kurt Stüber
Botanical Illustration
Botanical Illustration
Botanical Illustration
Botanical Illustration
