This name is a synonym of Popowia greveana (Baill.) Ghesq..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 1600663) with original publication details: Bull. Mens. Soc. Linn. Paris 1: 339 1882.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:75319-1.
This name was in version 1 of The Plant List, record tro-1600663.