Korea Flora: A perennial vine, with sparse white hairs on leaves and almost hairless otherwise. Root spreads horizontally, with new shoots emerging sporadically. Main stem greenish-purple with ridges and long hairs at the nodes, spreading vigorously as it climbs other plants. Leaves alternate and palmately compound with 5 leaflets. Leaflets rhombic or elongated ovate with toothed margins. Central leaflet, including its petiolule, 4-8cm long and 2-3cm wide, with hairs on the veins of the upper surface.  Corymb-like cyme inflorescence opposite to the leaves, initially divided into 3 parts, and 8-15cm long. Flowers pale green in color. calyx small, with 4 petals and 4 stamens, and 1 pistil. floral disc ired. capsule fruit round, ripening to black, 6-8mm in diameter, with a lateral split in the upper half. Seeds 4mm long.

Flowering: July-August,   

Distribution: Jeju and southern islands