This name is a synonym of Cnidoscolus albomaculatus (Pax) I.M.Johnst..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 104474) with original publication details: Pflanzenr. IV, 147, I: 91 1910.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:288539-2.
This name was in version 1 of The Plant List, record kew-104474, and has not been changed.