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 165421) with original publication details: Ill. Dict. Gard. 3: 216 1886.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:210153-2.
This name was in version 1 of The Plant List, record kew-165421, and has not been changed.