This name is a synonym of Dioscorea altissima Lam..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 239966) with original publication details: Fl. Bras. 3(1): 34 1842.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:317802-1.
This name was in version 1 of The Plant List, record kew-239966.