This name is a synonym of Allium longistylum Baker.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 295790) with original publication details: Nouv. Arch. Mus. Hist. Nat. II, 7: 113 1884.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:528220-1.
This name was in version 1 of The Plant List, record kew-295790, and has not been changed.