This name is a synonym of Pergularia daemia (Forssk.) Chiov..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Ann. Sci. Nat., Bot. II, 9: 337 1838.
This name was in version 1 of The Plant List, record kew-2755288.