This name is a synonym of Amphilophium crucigerum (L.) L.G.Lohmann.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 319009) with original publication details: Bull. Herb. Boissier 6(App. 1): 27. 1898.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:200849-2.
This name was in version 1 of The Plant List, record kew-319009.