Japanese name: コヒルガオ(小昼顔) Scientific name:Calystegia hederacea
[Overview]
A climbing perennial found in fields and grasslands.
The vine branches at the base and twines around other objects.
The leaves are alternate, triangular-halberd-shaped, 2–6 cm long, with well-developed lateral lobes at the base that spread outward.
The lateral lobes are usually 2-lobed.
The petiole is 1.5–4 cm long.
The flowers are solitary in the leaf axils, with flower stalks 2–7 cm long, and the stalks have narrow, crinkled wings on the upper part.
The corolla is pale pink and pentagonal funnel-shaped.
The bracts are triangular-ovate, about 1 cm long.
[Uses]
The rhizome or the whole plant is used medicinally.