This name is a synonym of Himatanthus articulatus (Vahl) Woodson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 161527) with original publication details: Eclog. Amer. 2: 20 1798.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:203945-2.
This name was in version 1 of The Plant List, record kew-161527, and has not been changed.