FLORA OF VIETNAM Magnoliaceae “Vang tam” Hoa Binh Prov., Lac Son Distr., Ngoc Son Municipality, Khu Village, Ngoc Rac Mt., around point 20°27′15”N 105°19′37”E.
In heavily logged closed primary and secondary evergreen broad-leaved forest on top of shale mts., at elevation about 600-700 m a.s.l. Sometimes cultivated around houses
Evergreen tree, up to 15-20 m tall, dbh 0.3-0,5 m or more. Common.