Bulbophyllum caudatum Lindl. syn. Cirrhopetalum caudatum (Lindl.) King & Pantl. (non Wight); Phyllorkis caudata (Lindl.) Kuntze; B. berenicis Rchb.f.
Dien Bien Prov., Muong Cha Distr., Mua 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. Creeping epiphyte on old mossy trees near top of ridge. Common. CPC 1088a/1 18 December 2010 Coll.: L.Averyanov, P.K.Loc, P.V.The, N.T.Vinh.
F. et coll. under cultivation at 5 June 2012 Flowers odorless, pure white in all parts. L.Averyanov. Photos.