FLORA OF VIETNAM Orchidaceae Bulbophyllum orectopetalum Garay, Hamer et Siegerist
Dien Bien Prov, Muong Cha Distr., Hua Ngai Municipality, around point 21°52′19”N 103°10′01”E.
Remnants of primary evergreen broad-leaved forest on very steep rocky slopes and on tops of remnant mountain composed with highly eroded marble-like solid crystalline limestone at elevation 1150-1250 m a.s.l.