Japan Flora: Nearly glabrous scandent perennial herb witli elongate, slender branches; leaves narrowly oblong or narrowly ovate, 5-10 cm. long, 1.5-4 cm. wide, acute to acuminate, rounded to broadly cuneate at base, entire, ciliolate, the petiole winged; cymes rather large, loosely flowered, the peduncles 2-4 cm. long; corolla pale purple, 5-6 mm. across, 5-cleft, the lobes lanceolate, reflexed; anthers 2-2.5 mm. long, narrowly oblong, subtruncate at apex; berries globose, red3 7-10 mm. across. Aug.-Oct.