FLORA OF VIETNAM Rosaceae Rubus corchorifolius L.f.
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Eo Dieu village, around point 20°26′06′'N, 105°13′51′'E. Primary evergreen seasonal broad-leaved closed submontane forest on top of rocky ridge composed with crystalline marble-like highly eroded limestone at elev. 900-1000 m. Climbing shrub or vine 1.5-2 m lg. Not common.