This name is a synonym of Daphnopsis crassifolia (Poir.) Meisn..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50315917) with original publication details: Symb. Antill. 2: 455 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:126660-2.
This name was in version 1 of The Plant List, record tro-50315917, and has not been changed.