⚠ Version 1 of The Plant List has been superseded.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.

Catalpa syringifolia var. koehnei Hesse is a synonym of Catalpa bignonioides Walter

This name is a synonym of Catalpa bignonioides Walter.

The record derives from iPlants which reports it as a synonym (record 320414) with original publication details: Gartenflora 52: 47 1903.