This name is a synonym of Astephanus triflorus (L.f.) R.Br..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 12973) with original publication details: Suppl. Pl. 16 1782.
This name was in version 1 of The Plant List, record kew-12973, and has not been changed.