This name is a synonym of Euphorbia inaequilatera Sond..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 37988) with original publication details: Phytologia 40: 391 1978.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:880477-1.
This name was in version 1 of The Plant List, record kew-37988.