FLORA OF LAOS Orchidaceae Paphiopedilum concolor (Lindl. ex Bateman) Pfitzer
Luang Prabang prov., Pon Xay distr., between Houay Man and Nam Bo villages, Phou Hua Ben Toc Mountain, around point 19°57′33.1′'N 102°25′25.8′'E.
Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 500-650 m a.s.l.
Rosulate lithophytic herb on crevices of mossy rocks on rocky mountain top. Leaves contrast green – whitish tessellated. Locally common.