Hibbertia pilosa, commonly known as hairy guinea flower, is a species of flowering plant in the family Dilleniaceae and is endemic to the southwest of Western Australia. It is an erect or sprawling shrub that typically grows to a height of and has leaves with long, soft hairs. The flowers are yellow with one or two densely hairy carpels from September to December.[1] The species was first formally described in 1845 by Ernst Gottlieb von Steudel in Lehmann's Plantae Preissianae.[2] [3] The specific epithet (pilosa) means "pilose", referring to the leaves.[4]
Hairy guinea flower grows on rocky slope, grantie outcrops and hills in the Jarrah Forest and Swan Coastal Plain and Warren bioregions of south-western Western Australia.