Dien Bien Prov., Muong Cha Distr., Hua Ngai Municipality, Ha La Chu Village, around point 21°53’46”N 103°10’17”E. Highly degraded primary evergreen broadleaved humid forest on very steep slopes of remnant mountains composed with solid limestone at elevation 1100-1400 m a.s.l. Epiphyte on tall mossy tree. Common. CPC 2049a 07 April 2011 Coll.: L.Averyanov, P.K.Loc, N.Q.Hieu, N.T.Vinh.
Flowered in cult. in 6 May 2015. Flowers white with pink tint. Photos.