This name is a synonym of Utricularia benjaminiana Oliv..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 18300061) with original publication details: Mém. Inst. Sci. Madagascar, Sér. B, Biol. Vég. 5: 190 1954.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:526676-1.
This name was in version 1 of The Plant List, record tro-18300061.