Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng Mountain. Primary very humid broad-leaved forest on steep mountain slopes composed of sandstone and gray shale at elevation 2000-2300 m a.s.l. around point 19°11’58.2’’N 104°11’38.6’’E. Tree about 20 m tall and 20-30 cm dbh. Very common. Fruits are food of squirrel.