⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-361641, with some changes.
This name is a synonym of Begonia formosana (Hayata) Masam..
The record derives from WCSP which reports it as a synonym (record 361641) with original publication details: in Fl. Taiwan 3: 795 1977.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:874695-1.