This name is a synonym of Gardenia thunbergia Thunb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 88310) with original publication details: Hort. Suburb. Calcutt. 379 1845.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:751114-1.
This name was in version 1 of The Plant List, record kew-88310, and has not been changed.