FLORA OF LAOS Orchidaceae Arachnis labrosa (Lindl.) Reichenb.f.?
Vientiane Prov., Vang Vieng Distr., Na Khun Village, around point 18°52′28”N 102°24′21”E.
Remnants of primary evergreen broadleaved forest on flat alluvial valley at the base of high remnant hills composed with solid marble-like highly eroded rocky limestone at elevation around 300 m a.s.l.
Epiphytic vine 1.5-2 m long in canopies of tall trees along stream. Locally common.