This name is a synonym of Begonia incarnata Link & Otto.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 363140) with original publication details: Index Seminum (LE) 1866: 102 1867.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:105819-1.
This name was in version 1 of The Plant List, record kew-363140, and has not been changed.