This name is a synonym of Psychotria mariniana (Cham. & Schltdl.) Fosberg.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 45635) with original publication details: Linnaea 4: 35 1829.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:747189-1.
This name was in version 1 of The Plant List, record kew-45635, and has not been changed.