⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-320414, and has not been changed.
This name is a synonym of Catalpa bignonioides .
The record derives from iPlants which reports it as a synonym (record 320414
) with original publication details: Gartenflora 52: 47 1903.