This name is a synonym of Tabebuia heterophylla (DC.) Britton.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 317154) with original publication details: Loefgrenia 50: 4 1970.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:109704-1.
This name was in version 1 of The Plant List, record kew-317154.