This name is a synonym of Ixia robusta (G.J.Lewis) Goldblatt & J.C.Manning.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 329348) with original publication details: J. S. African Bot. 28: 74 1962.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77091729-1.
This name was in version 1 of The Plant List, record kew-329348, and has not been changed.