This is Homolanthus stillingifolius or dwarf bleeding heart, a reasonably rare shrub growing in the Illawarra area. I was given this as a seedling from a neighbour who was a bush carer and collected the seed. Its leaves look like miniatures of the regular bleeding heart, they are delicate and light up easily in the sun.
I have read that Homolanthus stillingifolius grows in dryer areas as an under storey, this makes it an extremely useful plant. It has a luscious look about it and is the perfect height for screening fences as seen here. It also may have a tendency to colonise an area which is great for weed suppression. Does anyone else have experience growing this in their garden?