This name is a synonym of Begonia hirsuta Aubl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 361897) with original publication details: Syst. Veg. 2: 626 1825.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104881-1.
This name was in version 1 of The Plant List, record kew-361897, and has not been changed.