FLORA OF VIETNAM Oleaceae Jasminum sp. Ha Giang prov., Quan Ba distr., Bat Dai Son Nature Reserve, Can Ty commune, Lung Vay village, around point 23º05ʹ46.7ʺN 105º02ʹ53.1ʺE, 1100-1280 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. Climbing shrub 2.5-3 m tall in open place. Fruits black. Common in places with open secondary degraded vegetation. 15 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 186.