Vietnam, Lang Son Prov., Bac Son Distr., Tan Tri Municipality, around Na Mau village. Highly degraded primary and secondary broad-leaved evergreen forest on very steep slopes and along tops of ridge composed with solid highly eroded crystalline gray marble-like limestone at elevation about 500-600 m a.s.l. Lithophytic tree 4-5 m tall on open mossy rocks. Fruits green. Common.
Record creation: 2026-05-13, Galina Savich, PhotoScan D2Citation: Specimen LE 01317777 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01317777