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 and as an illegitimate name (record 322809) with original publication details: J. Linn. Soc., Bot. 16: 91 1877.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:439476-1.
This name was in version 1 of The Plant List, record kew-322809, and has not been changed.