This name is a synonym of Malcolmia littorea (L.) R.Br..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100358915) with original publication details: List Brit. Pl. 6, no. 179 1908.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:291124-1.
This name was in version 1 of The Plant List, record tro-100358915, and has not been changed.