N.Vietnam, Bac Kan Prov., Na Ri Distr., Liem Thuy Municipality, village Na Bo, around point 21º56'44''N, 106º05'09''E, at elevation 300-700 m a.s.l. Primary broad-leaved evergreen closed wet forest on very steep slopes and cliffs of rocky ridges and mesae composed with white solid marble-like crystalline limestone. Tree 8-15 m tall on tops of ridge. Common. Occasional co-dominant of fragments of coniferous forest on tops of ridges.
Record creation: 2026-03-21, Аверьянов Леонид ВладимировичCitation: Specimen LE 01204111 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01204111