Leaflets membranous, usually 5 ~ 7, a few 9, petiole 2 ~ 4 cm long, coarsely hairy; Lateral leaflets are oval or oblong-lanceolate, and the central one is larger, with a length of 4 ~ 12 cm and a width of 1 ~ 1.3 cm. The apex is tapered, the base is wedge-shaped, both sides are rough, the leaf margin is serrated, and the teeth are awned. The fruit is spherical, about 5 mm in diameter, and the fruit stalk is 3 ~ 5 mm long. It tastes bitter and smells like grass.

Herbaceous vines with tendrils 2 branched and inserted into leaf axils; Wild birds have compound leaves with 5~7 leaflets and are pilose. Dioecious; Both male inflorescence and female inflorescence are conical; Flowers small, calyx and corolla 5-lobed; 5 pistil; Usually 3-loculed, ovary 2, sparsely 2-loculed. The fruit is spherical, as big as a bean, and black when it matures.

Distributed in Hokkaido and Changbai Mountain in China. Born under forests and beside ditches. Whole grass can resist depression, anxiety and autonomic nervous dysfunction, especially. This species contains a variety of ginsenoside components, which are similar in function to ginseng.