Etymology: Trifolium: from tres for three; folium for leaves
Plants: erect to drooping, perennial, 1'-3' tall forb; stems with close hairs
Leaves: 3-parted, lower leaves on long stalks, upper leaves with short stalks or stalkless
Flowers: red to pink, 5-parted, 1/2"-3/4" long, calyx 2-lipped; inflorescence a 1 1/8" round head of stalkless flowers; blooms May-Sept.
Habitat: disturbed sites
Floristic Rating: Wetland Indicator = FACU+ 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. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions 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"