This name is a synonym of Zexmenia brachylepis (Griseb.) Cabrera.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 817342E2-543C-49F5-AB3B-24EA3D1CDB8C) with original publication details: 190 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:267872-2.
This name was in version 1 of The Plant List, record gcc-19968, and has not been changed.