FLORA OF VIETNAM Orchidaceae Paphiopedilum micranthum T.Tang et F.T.Wang
Northern Vietnam, Ha Giang Prov., Quan Ba Distr., Can Ty Municipality, in the vicinity of Sin Suoi Ho village at right side of Mien River, about 1 km to the N from point 23°07′12′'N, 105°00′52′'E. Primary coniferous forest with Pseudotsuga brevifolia on remnant highly eroded limestone ridge at elev. 1000-1200 m a.s.l. Lithophytic and terrestrial herb on very steep rocky slope and cliffs. Locally very common.