Much branched, unarmed, herbaceous vines to 3 m long, villous overall with elongate, many-celled simple hairs more than 2 mm. Leaves solitary, elliptic or lyrate, 3-11 cm long, 2-6 cm wide, apically acuminate, basally cordate or hastate, entire or 3-5 -lobed or -parted; petiole 1-3 cm long. Inflorescences axillary, extra-axillary, or appearing terminal, few- to many- flowered panicles; peduncle 2-4 cm long; pedicel 0.8-1.5 cm long. Flower with calyx 1.5-2.5 mm long, sparsely pubescent, the lobes rounded; corolla blue-purple or white, 10 mm long, the lobes elliptic-lanceolate, 2 mm long, usually reflexed, apically puberulent; filaments 0.8-1 mm, anthers free, oblong, 2.8-3.2 mm long; ovary glabrous. Berry red or red-black, globose, 7-9 mm across; fruiting pedicel sparsely pubescent, usually curved; seeds discoid, 1.5 mm across, reticulate.
TAIPEI: Wulai, Wang 36; Sanhsia, Wang 496. ILAN: Nanao, Peng 13788. TAOYUAN: Fuhsing, Peng 11047. MIAOLI: Shihtang, Peng 15066; Taian, Lin 561. TAICHUNG: Pahsienshan Forest Recreation Area, Barthomew 7613. Tashueishan Forest Track, Yang 6340. NANTOU: Lona, Peng 16977; Hsinyi, Jenlun Forest Road, Shen 147. TAINAN: Paiho, Tatungshan, Yen s. n. 1992; Kuantaoashih, Chiu 2624. HUALIEN: Nanao, Lin 18.
Distributed in eastern and southern China, Indo-China, Japan including Ryukyu Islands, and Korea. Taiwan, recorded in low elevation, very common.
