I think I called it Sparaxis on the map below. It isn't in flower yet, but I think it is Ixia paniculata (Long-tubed Ixia)
Later I went to check out the information sheet for the Shenton Bushland section of the bush to beach walk.
|Click here to view live map|
Click here to download the GPX data for this map. Note, this data is an XML file - change the name to .GPX to upload to your GPS.