This name is a synonym of Mansoa alliacea (Lam.) A.H.Gentry.
The record derives from iPlants
(data supplied on 2012-03-23)
which reports it as a synonym (record 319805) with original publication details: Encycl. 1: 421 1785.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:108564-1.
This name was in version 1 of The Plant List, record kew-319805.