This name is a synonym of Begonia hatacoa var. meisneri (Wall. ex C.B.Clarke) Golding.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 362898) with original publication details: Fl. Brit. India 2: 645 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77078889-1.
This name was in version 1 of The Plant List, record kew-362898, and has not been changed.