This name is a synonym of Vicia bijuga Hook. & Arn..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13007252) with original publication details: Anales Mus. Nac. Hist. Nat. Buenos Aires 7(4): 278 1902.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:265103-2.
This name was in version 1 of The Plant List, record tro-13007252, and has not been changed.