2-3 flowers/fruit per pedicel (developing fruit here - see pic 2 for close-up). Leaf apex obtuse (not acute) is another feature of xerophila distinguishing it from lanceolata. T. xerophila is common around the peak of Lake Mountain.
Butterfly was flying from flower to flower on the one plant, hovering with wings flapping rapidly while feeding, then moving on to the next plant. Flowers didn't appear to trigger. A few butterflies were seen doing this. Host plant here will be Tasmannia xerophila which is plentiful.