This name is a synonym of Xyris congensis Büttner.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 272524) with original publication details: Fl. Trop. Afr. 8: 23 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:871352-1.
This name was in version 1 of The Plant List, record kew-272524.