FLORA OF VIETNAM Convallariaceae Polygonatum kingianum
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Thanh Son Municipality, middle part of Pu Luong range, rocky cliffs of Phu Pha Phong peak around point 20°28′37′'N, 105°05′20′'E. Primary evergreen seasonal broad-leaved closed submontane forest on basalt at elev. 1600-1650 m. Lithophyte climbing herb up to 1.5 tall. Occasional.