This name is a synonym of Amphicarpaea bracteata (L.) Fernald.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13056960) with original publication details: Amer. Midl. Naturalist 4: 431 1916.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:11529-2.
This name was in version 1 of The Plant List, record tro-13056960.