This name is a synonym of Canna flaccida Salisb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 223887) with original publication details: J. Hist. Nat. 1: 416 1792.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:796008-1.
This name was in version 1 of The Plant List, record kew-223887.