Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng mountain system. Primary broad-leaved and mixed forest (with Cunninghamia) on very steep mountain slopes on granite at elevation about 1900 m a.s.l. around point 19°13’37.5’’N 104°06’11.8’’E. Clustering epiphyte on mossy tree.
20 October 2013 CPC 6025a3.
Coll.: L.Averyanov, N.T.Hiep, N.S.Khang, L.M.Tuan
Herbarium prepared in 23 March 2020. Tepals yellowish with brown tint, lip white with light yellowish side lobes at apex, and dark brown-purple v-shaped path at apex, column white with purple-brown speckles, anther light yellowish. Photos. Averyanov L. CPC 6025a3.1.