This name is a synonym of Kyllinga odorata subsp. cylindrica (Nees) T.Koyama.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 238520) with original publication details: Bot. Mag. (Tokyo) 83: 187 1970.
This name was in version 1 of The Plant List, record kew-238520, and has not been changed.