This name is a synonym of Vigna unguiculata (L.) Walp..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13018955) with original publication details: Prodr. 2: 400 1825.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:493244-1.
This name was in version 1 of The Plant List, record tro-13018955.