This name is a synonym of Arundinella hirta var. stricta (Hack. ex Mori).
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25508943) with original publication details: Enum. Pl. Corea 38 1922.
This name was in version 1 of The Plant List, record tro-25508943.