This name is a synonym of Desmodium uncinatum (Jacq.) DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13017807) with original publication details: Darwiniana 3(2): 185 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:78613-2.
This name was in version 1 of The Plant List, record tro-13017807, and has not been changed.