FLORA OF VIETNAM Orchidaceae Eria sp. Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, Phu Kha village, eastern slopes of Phu Xai Lai Leng mountain system.
Primary broad-leaved humid forest on steep granite slopes at elevation about 2350 m a.s.l. around point 19°12′21.2″N 104°11′28.9″E.