This name is a synonym of Colchicum triphyllum Kunze.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 302759) with original publication details: Notes Roy. Bot. Gard. Edinburgh 21: 298 1955.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:533224-1.
This name was in version 1 of The Plant List, record kew-302759, and has not been changed.