This name is a synonym of Plectocephalus rothrockii (Greenm.) D.J.N.Hind.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym and as an illegitimate name (record 0191D273-69B0-4579-B687-1F411FF942A5) with original publication details: 575 1838.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:190597-1.
This name was in version 1 of The Plant List, record gcc-16920.