This name is a synonym of Begonia coriacea Hassk..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 361991) with original publication details: Pl. Jungh. 418 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:104951-1.
This name was in version 1 of The Plant List, record kew-361991, and has not been changed.