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 329358) with original publication details: Bot. Mag. 22: t. 846 1805.
This name was in version 1 of The Plant List, record kew-329358, and has not been changed.