This name is a synonym of Prestonia quinquangularis (Jacq.) Spreng..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 95901) with original publication details: Fl. Bras. 6(1): 167 1860.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:116850-2.
This name was in version 1 of The Plant List, record kew-95901, and has not been changed.