This name is a synonym of Amphilophium falcatum (Vell.) L.G.Lohmann.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 375100) with original publication details: Ann. Missouri Bot. Gard. 94: 635 2007.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77090533-1.
This name was in version 1 of The Plant List, record kew-375100, and has not been changed.