Saponaria officinalis L.
Family: Caryophyllaceae
bouncing-bet, soapwort
Saponaria officinalis image
Matthew L. Wagner  
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