FLORA OF VIETNAM Plants of Phong Nha - Ke Bang National Park Begoniaceae Begonia aptera
Vietnam, Quang Binh Prov., Bo Trach Distr., Tan Trach Municipality, about 1.5 km to SE of A Rem village (17°23′32′'N, 106°12′46′'E).
Primary closed broad-leaved forest on steep slopes of rocky ridge composed with solid marble-like highly eroded stratified crystalline limestone at elevation about 700-750 m a.s.l.