Meaning of name: Macarthuria honours Sir William Macarthur (1800 – 1882), son of Captain John Macarthur. Sir Macarthur was a horticulturalist and agriculturalist. Australis is a Latin word meaning southern.
Distribution: Occurs from Murchison River to Jandakot.
Remarks: A multi-stemmed shrub to 60 centimetres tall. The white flowers are produced from May to November.
References: Western Australian Plant Names and their Meanings, a Glossary. FA Sharp. 1996.
Flora of the Perth Region. NG Marchant, JR Wheeler, BL Rye, EM Bennett, NS Lander, TD Macfarlane. 1987.