This name is a synonym of Pentacalia mason-halei (Ruíz-Terán & López-Fig.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0EA313E2-3A35-47D7-A526-A8289F37ACFB) with original publication details: Kew Bull. 47(1): 71 (1992): 71 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:963592-1.
This name was in version 1 of The Plant List, record gcc-106593, and has not been changed.