This name is a synonym of Vicia lutea subsp. cavanillesii (Martinez) Romero.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13043010) with original publication details: Bol. Soc. Esp. Hist. Nat. 29: 410 1929.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:524634-1.
This name was in version 1 of The Plant List, record tro-13043010, and has not been changed.