This name is a synonym of Handroanthus chrysotrichus (Mart. ex DC.) Mattos.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 319191) with original publication details: Loefgrenia 50: 2 1970.
This name was in version 1 of The Plant List, record kew-319191, and has not been changed.