This name is a synonym of Desmodium incanum DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13018593) with original publication details: Gen. Hist. 2: 294 1832.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:492145-1.
This name was in version 1 of The Plant List, record tro-13018593.