Dioscorea quinqueloba
is a perennial vine found in forests or along
forest edges. Rhizomes shallowly crawl underground, and the branches
of the vine grow well in the upper parts. Leaves are alternate,
triangularly ovate, palmately cleft in 5-9, with short hairs on
upper and lower surfaces, and the petiole bases have a pair of
tubercles; the perianth lobes are yellow and open flat. Dioecious:
seeds are oblong, with wings all around. Bloom time: July-August.
Wild plants in and around Shimane
島根とその周辺の野生植物
