Dioscorea tokoro: A
perennial vine herb common in fields and mountains, and its rhizomes
are thick and crawl sideways. Leaves are alternate, 5-12cm in both
length and width, in the shape of a concentric to triangular cordate,
with tips longly pointed. Peduncles, 3-7cm long, bear no bulbils at
the bases. Dioecious: Male inflorescences erect from axils and set
small light green flowers with six stamens, and female
inflorescences hang. Capsules put themselves facing upward, with
three wings. Bloom time: July-August. |