FLORA OF VIETNAM Euphorbiaceae Sauropus maichauensis N.N. Thin
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Khuyn village, around point 20°26′31′'N, 105°14′55′'E. Primary evergreen seasonal broad-leaved and coniferous submontane forest on crystalline marble-like highly eroded limestone, tops of limestone ridge at elev. 700-800 m. Shrub 2-3 m tall. Flowers red-purple. Common.