This name is a synonym of Hebe macrocarpa (Vahl) Cockayne & Allan.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 100354715) with original publication details: Symb. Bot. 3: 4 1794.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:812263-1.
This name was in version 1 of The Plant List, record tro-100354715.