This name is a synonym of Ixia polystachya var. lutea (Ker Gawl.) G.J.Lewis.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 322643) with original publication details: Abh. Naturf. Ges. Halle 15: 397 1882.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:439308-1.
This name was in version 1 of The Plant List, record kew-322643, and has not been changed.