FLORA OF VIETNAM Orchidaceae Renanthera coccinea Lour.
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Phia village, around point 20o26′44′'N, 105o11′13′'E. Secondary heavily logged evergreen seasonal broad-leaved lowland forest on crystalline marble-like highly eroded limestone, rocky hills at elev. 150-200 m. Lithophytic vine 2-3 m lg on vertical cliffs. Common.