This name is a synonym of Begonia egregia N.E.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 362629) with original publication details: Bull. Soc. Bot. France 56(3): 324 1909.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30821-2.
This name was in version 1 of The Plant List, record kew-362629, and has not been changed.