This name is a synonym of Syrrhopodon prolifer var. tenuifolius (Sull.) W.D. Reese.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 35178361) with original publication details: Öfvers. Förh. Kongl. Svenska Vetensk.-Akad. 33(4): 7 1876.
This name was in version 1 of The Plant List, record tro-35178361.