Hmmmm. Tentatively i've identified both sets of photos to D.fusca through the Plantnet key. The key seperates D.fusca from D.stricta by the presence of papillose hairs on the stem (smooth in D.stricta); the stems of these plants appear to be hairy. I would like to do a little bit more digging into this one before confirming however, it is an atypical site for D.fusca and it would be a VERY typical site for D.stricta being in that sandstone peppermint country a little closer to the coast.
I reckon your right on the money Tina! Totally reads as Rutaceae and it seems as though Boronia rhomboidea is the best looking canidate out of what's around in the vicinity. It seems as though it occurs more typically up on the Sandstone swamps in the Budawangs; so close by.
@Tapirlord would love your thoughts here. I'm getting Boronia rhomboidea, which would be unusual but not impossible (there is another sighting in Mongarlowe on iNat). Definitely reads as Rutaceae to me. What do you think?
I've added a close-up that shows the hairs on the calyx. Don't seem to be long and wispy compared with sighting 4456028 or with the calyx hairs of another specimen several other meters to the east (4456028) that I logged 3 years ago.