This name is a synonym of Himatanthus tarapotensis (K.Schum. ex Markgr.) Plumel.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 161645) with original publication details: Notizbl. Bot. Gart. Berlin-Dahlem 11: 339 1932.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:302873-2.
This name was in version 1 of The Plant List, record kew-161645, and has not been changed.