FLORA OF VIETNAM
Vitaceae
Tetrastigma erubescens Planch.

Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Lung Vay village, around point 23°06ʹ02.6ʺN 105°03ʹ04.5ʺE, 1200-1305 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved humid forest on steep rocky slopes near mountain tops. Woody vine 4-6 m long in open place. Leaves below dull brownish-purple, fruits purple. Occasional. 15 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 206 (HN, LE01054366).