This name is a synonym of Gardneria multiflora Makino.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27501123) with original publication details: Mord. Pl. 18: 31 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:718549-1.
This name was in version 1 of The Plant List, record tro-27501123.