FLORA OF LAOS
Orchidaceae
Bulbophyllum orectopetalum Garay, Hamer et Siegerist

Vientiane Prov., Vang Vieng Distr., Phol Xai village, about 8 km to the W of Vang Vieng town, Phar Poon Mt., around point 18°56′11.5”N 102°20′05.0”E.
Dry broad-leaved primary and secondary evergreen forest on very steep rocky slopes and on vertical cliffs of remnant highly eroded rocky limestone mountains composed by solid crystalline limestone at elevation 300-900 m.
Creeping epiphyte and lithophyte on rocky tops of mountain at elevation 800-900 m. Flowers yellowish, tepals with purple-brown nerves, lip light yellow with finest purple-brown markings. Locally very common.
LA-VN 464 15 March 2013 photos
Coll.: N.T.Hiep, L.Averyanov, N.S.Khang, P.V.The, S.Lorphengsy