This name is a synonym of Euphorbia virosa Willd..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 78602) with original publication details: Cat. Afr. Pl. 1: 945 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:345758-1.
This name was in version 1 of The Plant List, record kew-78602.