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 92939) with original publication details: Med. Bot. Criollo 1(1): 295 1864.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:79138-1.
This name was in version 1 of The Plant List, record kew-92939, and has not been changed.