Ha Giang Prov., Quan Ba Distr., Ta Van Commune, Can Ho Village, around point 23.03513°N 104.87016°E, steep rocky mountain slopes composed of eroded limestone at elevation 1100–1250 m a.s.l. near mountain top. Secondary evergreen broad-leaved humid forest. Woody vine to 15 m long and 7 cm in diameter, timber and bark with red juice. Fruits velvety hairy, yellow-greenish. Locally used as medicinal plant (with alcohol). Common. 9 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1478 (HN, LE01061014, LE01066951, LE01066960). Det.: Sawai Mattapha 29.11.2019