FLORA OF VIETNAM Orchidaceae Gastrochilus pseudodistichus (King et Pantl.) Schltr.
Cao Bang Prov., Thong Nong Distr., Yen Son Municipality, Nhieu Lung village, around point 22°46′07.9″N, 105°53′59.4″E.
Primary fractionaly logged coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation 1150-1250 m a.s.l.
Short ascending lithophytic vine to 0.5 m long on mossy rocks along ridge edge. Flowers yellowish, tepals with orange marks, lip epichile white with dull purple marks. Leaves dirty purple spotted. Locally very common.