Thank you. I tried adding a better photo to this sighting, but unfortunately the site did not take the additional photo, so I've created a new sighting - #4263061 - that I hope helps in identifying this plant.
Thank you. These are growing on a road reserve, close to remnant bush (literally across the road from burnt area), and quite a bit away from the nearest house. Unfortunately, we are not in a position to take measurements at this stage, but will do so at the first opportunity. Thanks for the information and your time - we learn so much from being part of this project.