This name is a synonym of Metagonia villosa (Sm.) Nutt..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50205790) with original publication details: Cycl. 36: n. 29 1817.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:859174-1.
This name was in version 1 of The Plant List, record tro-50205790, and has not been changed.