This name is a synonym of Freesia laxa subsp. azurea (Goldblatt & Hutchings) Goldblatt & J.C.Manning.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 326441) with original publication details: Novon 3: 146 1993.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:972364-1.
This name was in version 1 of The Plant List, record kew-326441, and has not been changed.