This name is a synonym of Diospyros insignis Thwaites.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 384220) with original publication details: Revised Handb. Fl. Ceylon 3: 45 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:916264-1.
This name was in version 1 of The Plant List, record kew-2769938, and has not been changed.