This name is a synonym of Plagiopetalum esquirolii (H. Lév.) Rehder.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 20305041) with original publication details: Repert. Spec. Nov. Regni Veg. 11(301–303): 494 1913.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:566576-1.
This name was in version 1 of The Plant List, record tro-20305041.