Korea Flora: Deciduous vine. Length up to 10m. Grows attached to stone walls, rocks, or tree trunks. Winter buds and branchlets conical with sharp tips; bud scales number 3-5 and 1-2mm long. Tendrils grow opposite to leaves, branching with round adhesive roots at the tips that strongly adhere and branch extensively. Leaf scars are circular. Leaves alternate, broadly ovate, acuminate at apex, cordate at base, 4-10cm × 10-20cm in size, with 3 lobes at the tip and glabrous on the upper surface. Lower surface fine hairs along the veins. Margins irregular teeth. Young leaves on short petioles are compound with 3 leaflets. Petioles longer than the leaves. Leaves turn red in autumn. Petiole length (2)6-8(10)cm. Flowers bisexual, in cymes growing from leaf axils or at the ends of short branches, with many florets. Flowers yellowish-green, with a truncate calyx, 5 petals and 5 stamens, and 1 pistil. Fruits and seeds covered with a white powder, 6-8mm in diameter, and black in color.
Flowering: Late May
Fruiting: Late August to mid-October
Distribution: Central to southern China, Taiwan, Japan from Hokkaido to Kyushu; Korea except for the Baekdudaegan mountain range.