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. Epiphitic shrub, fruit green, leaves green and red-violet, common.