FLORA OF VIETNAM Orchidaceae Nervilia aragoana Gaudich.
N.Vietnam, Cao Bang Prov., Trung Khanh Distr., Ngoc Khe Municipality, Pac Nga village, around point 22°54′59′'N, 106°31′44′'E, at elevation 500-600 m a.s.l.
Secondary open shrubs on wet rocky slope of N exposition.
Terrestrial and lithophytic herb on mossy open place. Flowers light green. Leaves uniform light green or with dirty purple irregular round spot. Occasional.