This name is a synonym of Kniphofia linearifolia Baker.
The record derives from WCSP
(data supplied on 2012-03-26)
which reports it as a synonym (record 309705) with original publication details: Pflanzenr. IV, 38: 58 1908.
This name was in version 1 of The Plant List, record kew-309705, and has not been changed.