This name is a synonym of Schizachne purpurascens subsp. callosa (Turcz. ex Griseb.) T.Koyama & Kawano.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397412) with original publication details: Fl. Ross. 4: 416 1852.
This name was in version 1 of The Plant List, record kew-397412.