N. Viet Nam, Son La Prov., Yen Chau distr., Muong Lum Municipality, Lum village. Degraded secondary vegetation on limestone outcrops under canopy of Pistachia and Calocedrus macrolepis around point 21°00′47″N, 104°29′30″E at elev. 900-1134 m. Epiphytic and lithphytic. Leaves green, tepals light yellow to light orange, inner petals white on rostellum, streaked in red on sides and yellow on lip, thick, musky, sweet fragramce. Occasional.
2 March 2001. Collectors: D.K. Harder, P.K. Loc, N. T. Hiep, L. V. Averyanov, G.E. Schatz, N. Q. Hieu, S. Bodine, DKH 7095. Det.: L. Averyanov, Aug. 2002.