FLORA OF LAOS Orchidaceae Bulbophyllum orectopetalum Garay, Hamer et Siegerist
Vientiane Prov., Kasi Distr., Namken village, Phachao Mt., around point 19°18′45.5”N 102°22′31.4”E.
Primary broad-leaved evergreen forest on very steep rocky slopes of remnant mountain composed with highly eroded solid crystalline limestone at elevations 1500-1750 m.
Epiphyte on mossy trees at elev. 1200 m. Flowers dull yellow, tepals with purple-brownish nerves. Lip yellow finely marked with purple. Not common.
LA-VN 790 24 March 2013 Coll.: L.Averyanov, N.S.Khang, S.Lorphengsy