This name is a synonym of Euphorbia camagueyensis (Millsp.) Urb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 38171) with original publication details: Contr. Ocas. Mus. Hist. Nat. Colegio ''De La Salle'' 11: 12 1952.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:55384-2.
This name was in version 1 of The Plant List, record kew-38171, and has not been changed.