This name is a synonym of Begonia sinuata Wall. ex Meisn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 361507) with original publication details: Numer. List 6291 1832.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104613-1.
This name was in version 1 of The Plant List, record kew-361507.