L.Averyanov, T.D.Do, J.Regalado & T.V.Nguyen HAL 3506
Locality
N Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung municipality, Eo Dieu village, around the point 20°26'06 N, 105°13'51 E. Primary evergreen seasonal broad-leaved closed submontane forest on the top of rocky ridge composed of crystalline marble-like highly eroded limestone at elev. of 900-1000 m. Lithophyte.