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 13008753) with original publication details: Bull. Torrey Bot. Club 18(9): 269 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:71169-2.
This name was in version 1 of The Plant List, record tro-13008753.