Meaning of name: Macarthuria honours Sir William Macarthur (1800 – 1882), son of Captain John Macarthur. Sir Macarthur was a horticulturalist and agriculturalist. Keigheryi honours Greg Keigheryi, in recognition of his contributions to Australian botany and the first to recognize this taxon as distinct.
Distribution: Occurs from Dandaragan to Perth.
Remarks: A small shrub to 40 centimetres tall. The hairy stems age to a yellowish-green colour. The white flowers are produced from September to March.
References: Western Australian Plant Names and their Meanings, a Glossary. FA Sharr. 1996.
Nuytsia. Volume 11, number 1. Western Australian Herbarium, Department of Conservation and Land Management. 1996.