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. Shrub 2-3 m tall in open rocky place. Common. 9 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1489 (HN, LE01061023, LE01066946).