This name is a synonym of Sphenostylis briartii (De Wild.) Baker f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13040401) with original publication details: Repert. Spec. Nov. Regni Veg. 11: 547 1913.
This name was in version 1 of The Plant List, record tro-13040401, and has not been changed.