This name is a synonym of Begonia hispida Schott ex A.DC..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 362806) with original publication details: Sellowia 9: 31 1958.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30864-2.
This name was in version 1 of The Plant List, record kew-362806, and has not been changed.