This name is a synonym of Allium wallichii var. platyphyllum (Diels) J.M.Xu.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 295868) with original publication details: Bull. Brit. Mus. (Nat. Hist.), Bot. 2: 183 1960.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528286-1.
This name was in version 1 of The Plant List, record kew-295868.