FLORA OF VIETNAM Orchidaceae Ceratostylis himalaica Hook.f.
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. Epiphyte on Pseudotsuga. Flowers yellowish-white, tepals with dull purple stripes. Very common.