This name is a synonym of Scolosanthus triacanthus (Spreng.) DC..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 39616) with original publication details: Cat. Pl. Cub. 133 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:746671-1.
This name was in version 1 of The Plant List, record kew-39616, and has not been changed.