This name is a synonym of Dipterocarpus gracilis Blume.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Proc. Round Table Conf. Dipterocarps 3: 542 1987.
This name was in version 1 of The Plant List, record kew-2772117, and has not been changed.