This name is a synonym of Handroanthus botelhensis (A.H.Gentry) S.O.Grose.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 318528) with original publication details: Fl. Neotrop. Monogr. 25(2): 153 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:304000-2.
This name was in version 1 of The Plant List, record kew-318528, and has not been changed.