This name is a synonym of Pseuderanthemum paniculatum (Nees) V.M. Baum.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50114756) with original publication details: Fl. Bras. 9: 106 1847.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:228924-2.
This name was in version 1 of The Plant List, record tro-50114756, and has not been changed.