Probably too late in the season. I found around a half dozen or so of these bushes in the NP (assuming I knew what I was looking at which is not a given). Most had neither fruit nor flowers. Some had berries. None had flowers.
Refer to Middleton's (2002) botanical key https://keybase.rbg.vic.gov.au/keys/show/9169 : couplet 5 –> on to: • option 6: ... _Alyxia magnifolia_ or • option 8: ... _Alyxia ruscifolia_ .
This plant, with the information shown in these photographs identifies to either of these two candidate species and the most likely candidate, unconfirmed: _Alyxia ruscifolia_ .
_Alyxia magnifolia_ map and records of the collected herbaria specimens records : https://avh.ala.org.au/occurrences/search?q=taxa%3A%22Alyxia+magnifolia%22#tab_mapView .