This name is a synonym of Begonia oreophila Kiew.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 362460) with original publication details: Begonias Peninsular Malaysia 275 2005.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77067414-1.
This name was in version 1 of The Plant List, record kew-362460, and has not been changed.