Japan Flora: Scandent, densely glandular-pubescent perennial herb; leaves ovate, 3-8 cm. long, 2-4 cm. wide, acuminate or acute, sometimes obtuse, cordate at base, usually with 1 or 2 pairs of lobes near base, rarely entire; cymes loosely flowered, the peduncles 1-4 cm. long; calyx-teeth depressed- deltoid to broadly ovate; corolla white, 7-8 mm. long, 5-cleft, the lobes lanceolate, reflexed; anthers narrowly oblong, about 3 mm. long, nearly truncate at apex; fruit red, about 8 mm. across. Aug.-Oct. Thickets in hills and low mountains; 

Hokkaido, Honshu, Shikoku, Kyushu. Korea, China, Ryukyus, Formosa, and Indochina.

f. xanthocarpum (Makino) H.Hara. Fruit yellow. Rare.