This name is a synonym of Catalpa bignonioides Walter.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 316993) with original publication details: Fl. Ludov. 139 1817.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:109188-1.
This name was in version 1 of The Plant List, record kew-316993, and has not been changed.