This name is a synonym of Rosularia jaccardiana (Maire & Wilczek) H. Ohba.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903162) with original publication details: Bull. Soc. Hist. Nat. Afrique N. 16: 31 1925.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:275560-1.
This name was in version 1 of The Plant List, record tro-8903162.