This name is a synonym of Allium longispathum F.Delaroche.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 296049) with original publication details: Enum. Pl. Suppl.: 16 1814.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528440-1.
This name was in version 1 of The Plant List, record kew-296049.