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 or small tree 5-7 m tall and 7 cm in diameter. Timber is very hard. Common, but widely logged for the timber sale (very expensive). 9 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1479 (HN, LE01061013, LE01066955). Det.: Sawai Mattapha 29.11.2019.