[Lychnis saponaria Jess.]
Etymology: Saponaria: sometimes called soapwort, the name derives from the Latin sapo, "soap," for its soap-producing qualities
Plants: erect, perennial, 1'-3' tall, mostly hairless forb; stems leafy; with colony-forming rhizomes
Leaves: opposite, lance-shaped, stalkless, with a prominent "bump" at the nodes
Flowers: white to pink, 5-parted, 3/4"-1" wide, fragrant, often double; tube-forming sepals 1" or longer, petals flaring backward; inflorescence a many-flowered, domed cluster; blooms July-Oct.
Habitat: disturbed sites, often sandy sites
Hazardous: Careful, this plant is hazardous!
Conservation Status: Introduced - naturalized; potentially invasive
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FACU WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. 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. 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"