This name is a synonym of Daphnopsis americana subsp. caribaea (Griseb.) Nevling.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Fl. Brit. W. I. 278 1860.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1082264-2.
This name was in version 1 of The Plant List, record kew-2757377, and has not been changed.