This name is a synonym of Erica embothriifolia var. longiflora (Andrews) Bolus.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Col. Engr. Heaths t. 227 1809.
This name was in version 1 of The Plant List, record kew-2793927.