This name is a synonym of Ixia longituba var. bellendenii (R.C.Foster) M.P.de Vos.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 325787) with original publication details: Nom. Bot. Hort. 855 1841.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:441881-1.
This name was in version 1 of The Plant List, record kew-325787.