Nghe An Prov., Ky Son Distr., Na Ngoi Municipality, eastern slopes of Phu Xai Lai Leng Mountain.
Primary and secondary broad-leaved forest on steep mountain slopes composed of sandstone and gray shale at elevation 1300-1500 m a.s.l. around point 19°13′53.4″N 104°12′09.7″E.
Shrub 3 m tall in very wet place. Fruits purple. Common.