Etymology: Urtica: from Latin uro, "I burn," alluding to the nettle's sting
Plants: erect, perennial, 1 1/2 '-6' tall forb with stinging hairs, often forming large colonies
Leaves: toothed, opposite, lance-like with a sharp point, short-stalked
Flowers: cream, tiny, 4-parted; inflorescence branched, many-flowered, long clusters from the upper leaf axils; blooms June-Sept.
Fruits: oval, dry seed
Habitat: wet to dry; disturbed sites
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 1, Wetland Indicator = FAC+ Wisconsin Natural Resources Magazine: Information and Photos 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 USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin 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"