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. Ephemeroid tuberiferous herb on open grassland on steep alluvial slope of remnant highly eroded limestone ridge at elev. 900-1000 m a.s.l. Flowers dull yellowish, lip white with violet apex. Occasional.
HAL 1580 (Photo) 11 May 2002
Collectors: P.K.Loc, L.Averyanov, N.T.Vinh. Trip for Paphiopedilum observation on AOS grant program