Clematis virginiana L.
Family: Ranunculaceae
devil's-darning-needle, virgin's-bower
Clematis virginiana image
Stephen L. Solheim  
Etymology: Clematis: in Greek means "long, lithe branches" and is an ancient name for some climbing plant
Plants: climbing, perennial, up to 9' tall, woody vine
Leaves: long stalked, 3-parted, leaflets 3/4"-4", usually with coarse teeth
Flowers: white to greenish, 4-parted, 3/8" wide, petal-like sepals; infloresense branched, stalked clusters from the leaf axils; blooms July-Aug.
Fruits: dry seeds in a dense, rounded, fluffy cluster
Habitat: moderate moisture; woods, forests, openings, streambanks
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native