This name is a synonym of Begonia venusta King.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 362325) with original publication details: J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 71: 65 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:105183-1.
This name was in version 1 of The Plant List, record kew-362325, and has not been changed.