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 35177976) with original publication details: Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1: 81 1879.
This name was in version 1 of The Plant List, record tro-35177976.