FLORA OF VIETNAM Orchidaceae Juss. Paphiopedilum hirsutissimum var. esquirolei (Schltr.) Karasawa et Saito
N. Vietnam, Thanh Hoa prov., Ba Thuoc distr., Eo Dieu municipality, territory of Pu Luong protected area, near Eo Dieu village (20°25′48′'N, 105°14′13′'E). Primary wet coniferous forest with Pinus kwangtungensis along tops of remnant highly eroded karst limestone ridge at elev. 900-1000 m a.s.l. Lithophytic herb on vertical mossy rocks and cliffs. Flowers of typical coloration. Not rare.