Laos, Khammoune prov., Boualapha distr., Ban Dou village, around Khuay cave, at 17°30′35.1″N, 105°51′28.7″E.
Primary dry evergreen and semideciduous broad-leaved forest on sandy alluvial terrace and slopes of river valley between karstic limestone hills at 180-220 m a.s.l.
Big tree to 30 m tall along alluvial flat river valley. Very common. Usual co-dominant of lowland gallery forest.
10 May 2018, L. Averyanov, Khang Sinh Nguyen, T. Maisak, Littideth Xaiyavongsa, Siphanom Keovankham, AL 900.