This name is a synonym of Pentacalia ramentosa (Cuatrec.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 103CFA85-1349-4312-8531-A487FBF0228E) with original publication details: 73 1992.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:963606-1.
This name was in version 1 of The Plant List, record gcc-104924, and has not been changed.