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 301818) with original publication details: J. Jap. Bot. 45: 123 1970.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:532506-1.
This name was in version 1 of The Plant List, record kew-301818, and has not been changed.