This name is a synonym of Tristachya leucothrix Trin. ex Nees.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 397605) with original publication details: Prodr. Pl. Cap. 22 1794.
This name was in version 1 of The Plant List, record kew-397605.