This name is a synonym of Begonia cucullata var. spatulata (Lodd.) Golding.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 360908) with original publication details: Bull. Acad. Int. Géogr. Bot. 23: 215 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:30368-2.
This name was in version 1 of The Plant List, record kew-360908, and has not been changed.