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 426936) with original publication details: Bol. Soc. Brot. II, 41: 61 1967.
This name was in version 1 of The Plant List, record kew-426936, and has not been changed.