colic-root, wild yam, yam root
[Dioscorea cliffortiana Lam., more...]
Etymology: Dioscorea: for Dioscorides, ancient Greek naturalist
Plants: perennial, herbaceous vine up to 18' tall; stems twining; roots brownish rhizomes
Leaves: broad, heart-shaped base, pointed tip, strong ribs, netted veins
Flowers: white to cream, tiny, 3-6-parted; inflorescence either widely-branched clusters of 1-4 male flowers per node or 2"-4" spikes of female flowers; blooms May-Aug.
Fruits: greenish-gold, 3-winged capsule with very wide, winged seeds
Habitat: moderate moisture; woods, roadsides, river-bottom forests
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 4, Wetland Indicator = FAC- USDA Plants Database: Federal Distribution and detailed information including photos 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"