Photographer: Janice Stiefel
Dioscorea villosa L.
colic-root, wild yam, yam root
Dioscorea: for Dioscorides, ancient Greek naturalist
villosa: Latin for "with hairs"
|Plant: ||perennial, herbaceous vine up to 18' tall; stems twining; roots brownish rhizomes|
|Flower: ||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.|
|Fruit:||greenish-gold, 3-winged capsule with very wide, winged seeds|
|Leaf:||broad, heart-shaped base, pointed tip, strong ribs, netted veins|
|Habitat: ||moderate moisture; woods, roadsides, river-bottom forests|