This name is a synonym of Begonia cyathophora Poepp. & Endl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 371287) with original publication details: Gard. Chron. n.s., 11: 566 1879.
This name was in version 1 of The Plant List, record kew-371287, and has not been changed.