Quang Binh Prov., Minh Hoa Distr., Hoa Son municipality, from Ka Xai Valley, around point 17°42′10.4”N 105°47′57.3”E back to Cha Lo Vill., Dan Hoa municipality, of the same district and province. Primary heavily logged closed evergreen broad-leaved woodland and scrub on wet shale valley at elevation about 350-400 m a.s.l.
Big evergreen tree, up to 30 m tall. Common. Foods for monkeys.