Dimorphotheca ecklonis (was Osteospermum)
A woody perennial from South Africa which sends roots down from plant nodes. It is spreading rapidly in Cottesloe. The large daisy flowers in winter and spring are bluish-white or purple. Often growing locally as a garden escape or from garden rubbish dumped in natural areas.This plant should not be grown near local bushland or dunes.
See more on Florabase.