FLORA OF LAOS Orchidaceae Dendrobium chrysotoxum Lindl.
Luang Prabang prov., Pon Xay distr., Houay Man village, Phou Pak Sang Mountain, around point 19°59′03.8′'N 102°25′09.0′'E.
Degraded primary evergreen and semideciduous forest on very steep rocky mountain slopes composed by solid marble like highly eroded limestone at elev. 1000-1150 m a.s.l. Clustering epiphyte and lithophyte on mossy rocky mountain tops. Flowers bright yellow, fragrant. Common.