This name is a synonym of Secamone ligustrifolia subsp. angustifolia (Decne.) Klack..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 2602311) with original publication details: Prodr. 8: 502 1844.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:101300-1.
This name was in version 1 of The Plant List, record tro-2602311.