Japan Flora: Scandent shrub; branches slender, with reddish brown exfoliating bark, the young parts minutely papillose; stipules becoming spiny; leaves broadly elliptic to ovate, 2-5 cm. long, 1.8-4 cm. wide, abruptly acuminate to acute, acute or broadly cuneate at base, with small spine-pointed teeth, sparsely scabrous on upper side, the veinleć ˇ distinct, the petioles 1-3 cm. long, slender; flowers 1-3, in axillary sessile cymes, the pedicels 2-6 mm. long; fruit globose, about 6 nun. across, the aril orange red. June. Mountains;
Honshu (Kanto Distr. and westw.), Kyushu; rather rare. Korea, Manchuria, Amur, and n. China.