This name is a synonym of Colubrina obscura (Schrank) M.C.Johnst..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50159351) with original publication details: Syll. Pl. Nov. 202 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:219029-2.
This name was in version 1 of The Plant List, record tro-50159351, and has not been changed.