This name is a synonym of Arundinella hirta (Thunb.) Tanaka.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 396506) with original publication details: Bot. Mag. (Tokyo) 41: 638 1927.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:390709-1.
This name was in version 1 of The Plant List, record kew-396506.