This name is a synonym of Hyparrhenia dichroa (Steud.) Stapf.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 406210) with original publication details: Bull. Jard. Bot. État 6: 14 1919.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:396958-1.
This name was in version 1 of The Plant List, record kew-406210, and has not been changed.