This name is a synonym of Himatanthus phagedaenicus (Mart.) Woodson.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 161622) with original publication details: Reise Bras. 3: 1128 1831.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:81263-1.
This name was in version 1 of The Plant List, record kew-161622, and has not been changed.