This name is a synonym of Rhipidoglossum kamerunense (Schltr.) Garay.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 60585) with original publication details: Beih. Bot. Centralbl. 36(2): 96 1918.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:629522-1.
This name was in version 1 of The Plant List, record kew-60585, and has not been changed.