This name is a synonym of Allium inutile Makino.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 281909) with original publication details: Bot. Mag. (Tokyo) 59: 35 1946.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:538816-1.
This name was in version 1 of The Plant List, record kew-281909, and has not been changed.