This name is a synonym of Acanthocalycium spiniflorum (K.Schum.) Backeb..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Kaktus-ABC 226 1935.
This name was in version 1 of The Plant List, record kew-2614487, and has not been changed.