This name is a synonym of Colocasia × marchalii Engl..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 6780) with original publication details: Monogr. Phan. 2: 494 1879.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:84202-1.
This name was in version 1 of The Plant List, record kew-6780.