This name is a synonym of Centrosema virginianum (L.) Benth..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13003006) with original publication details: Revis. Gen. Pl. 1: 164 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:36012-2.
This name was in version 1 of The Plant List, record tro-13003006.