⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-320359, and has not been changed.
This name is a synonym of Catalpa speciosa (Warder ex Barney) Warder ex Engelm..
The record derives from iPlants which reports it as a synonym (record 320359) with original publication details: Gard. Monthly & Hort. 20: 312 1878.