This name is a synonym of Oxyrhachis gracillima (Baker) C.E.Hubb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 439634) with original publication details: J. Linn. Soc., Bot. 22: 533 1887.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:419671-1.
This name was in version 1 of The Plant List, record kew-439634, and has not been changed.