FLORA OF VIETNAM Orchidaceae Sarcoglyphis smithianus (A.F.G.Kerr) Seidenf.
N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (N 22°17′ E 106°03′), 27 km to 55° of Bac Can city. Primary broadleaved evergreen dry closed forest on very steep slopes of remnant karst limestone ridge at elev. 500-600 m a.s.l. Epiphyte. Rare.