This name is a synonym of Crinum × amabile Donn ex Ker Gawl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 303331) with original publication details: J. Sci. Arts (London) 3: 113 1817.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:60455997-2.
This name was in version 1 of The Plant List, record kew-303331.