This name is a synonym of Endostemon viscosus (Roth) M.R.Ashby.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 144459) with original publication details: Edwards's Bot. Reg. 15: t. 1300 1830.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:453601-1.
This name was in version 1 of The Plant List, record kew-144459, and has not been changed.