This name is a synonym of Cyanotis longifolia var. gracilis (Schnell) Schnell.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 235386) with original publication details: Rev. Gén. Bot. 57: 287 1950.
This name was in version 1 of The Plant List, record kew-235386, and has not been changed.