This name is a synonym of Sparaxis grandiflora (D.Delaroche) Ker Gawl..
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 322780) with original publication details: Pl. Hort. Schoenbr. 1: 9 1797.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:439445-1.
This name was in version 1 of The Plant List, record kew-322780.