This name is a synonym of Begonia mollis A.DC..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 362816) with original publication details: Enum. Pl. Javae 1: 95 1827.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:105562-1.
This name was in version 1 of The Plant List, record kew-362816, and has not been changed.