This name is a synonym of Rhipidoglossum curvatum (Rolfe) Garay.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 60573) with original publication details: Fl. W. Trop. Afr. 2: 456 1936.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:629513-1.
This name was in version 1 of The Plant List, record kew-60573, and has not been changed.