This name is a synonym of Centranthus ruber (L.) DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33500516) with original publication details: Prodr. Stirp. Chap. Allerton 55 1796.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:859798-1.
This name was in version 1 of The Plant List, record tro-33500516.