This name is a synonym of Begonia jamaicensis 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 360889) with original publication details: Fl. Ind. Occid. 2: 994 1800.
This name was in version 1 of The Plant List, record kew-360889, and has not been changed.