Quang Binh Prov., Minh Hoa Distr., Thuong Hoa Comm., Mo O O O Vill., Ruc Lan Valley, 17°40′52″N, 105°55′09″E, 260-270 m.
Scattered in secondary evergreen broad-leaved woodlands and scrubs from stream banks to foot of shale mts., regenerated on abandoned slash and burn areas.
Small woody vine, up to 3-5 m long or more. Ripe fruits dark violet, turning blackish. Rare.