This name is a synonym of Peperomia urocarpa Fisch. & C.A.Mey..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50009827) with original publication details: Piperac. N. South Amer. 2: 667–668, f. 583 1950.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:188521-2.
This name was in version 1 of The Plant List, record tro-50009827.