FLORA OF LAOS Orchidaceae Sarcoglyphis yunnanensis Z.H.Tsi.
Luang Prabang prov., Pon Xay distr., Nam Bo village, around point 19°57′23.5′'N 102°26′16.4′'E.
Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 650-750 m a.s.l.
Epiphyte on old tree on mossy rocky mountain top. Flowers: tepals light yellowish to pint or almost white, epichile dark purple. Very common.