This name is a synonym of Begonia dipetala Graham.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as a spelling variant (record 361086) with original publication details: Allg. Gartenzeitung 9: 58 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104281-1.
This name was in version 1 of The Plant List, record kew-361086.