⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-361543, and has not been changed.
This name is a synonym of Begonia grandis var. unialata Irmsch..
The record derives from WCSP which reports it as a synonym (record 361543) with original publication details: Mitt. Inst. Allg. Bot. Hamburg 10: 493 1939.