FLORA OF VIETNAM Convallariaceae Aspidistra tonkinensis (Gagnep.) F.T.Wang & K.Y.Lang var. tonkinensis
N.Vietnam, Thanh Hoa Prov., Ba Thuoc Distr., Co Lung Municipality, Eo Dieu village, around point 20°25′34′'N, 105°14′41′'E. Primary evergreen seasonal broad-leaved closed lowland forest on crystalline marble-like highly eroded limestone, very steep rocky slopes and cliffs of S exposition at elev. 450-600 m. Terrestrial herb in shady places. Flowers white, tube inside on 1\2 black. Abundant. Dominant of herb forest stratum.