This name is a synonym of Petalostigma pubescens Domin.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 150776) with original publication details: Kew Bull. 31: 373 1976.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:353411-1.
This name was in version 1 of The Plant List, record kew-150776, and has not been changed.