FLORA OF VIETNAM Begoniaceae Begonia balansaeana Gagnep.
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Eo Dieu village, around point 20°25′56′'N, 105°14′12′'E. Primary evergreen seasonal broad-leaved closed lowland forest on crystalline marble-like highly eroded limestone, very steep rocky mt slopes at elev. 500-850 m. Terrestrial herb. Flowers white with pink tint. Leaves deep green above, pale purple-brown below. Occasional.