This name is a synonym of Xanthosoma undipes (K.Koch & C.D.Bouché) K.Koch.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 6853) with original publication details: Index Seminum (B) 1854(App.): 5 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:84255-1.
This name was in version 1 of The Plant List, record kew-6853, and has not been changed.