Petrophile teretifolia is a species of flowering plant in the family Proteaceae and is endemic to the south-west of Western Australia. It is a shrub with needle-shaped but blunt-pointed leaves, and oval to more or less spherical heads of hairy pink to mauve flowers.
Petrophile teretifolia is an erect or spreading shrub that typically grows to a height of and has glabrous branchlets and leaves. The leaves are needle-shaped but with blunt tips, long. The flowers are arranged in leaf axils or on the ends of branches in oval to more or less spherical heads about long, with a few involucral bracts at the base. The heads are sessile or on a peduncle long. The flowers are long, pink to mauve and hairy. Flowering occurs from September to January and the fruit is a nut, fused with others in a spherical, oval or elliptic head long.[1]
Petrophile teretifolia was first formally described in 1810 by Robert Brown in Transactions of the Linnean Society of London.[2] [3] The specific epithet (teretifolia) means "terete-leaved".[4]
Petrophile teretifolia grows on granite outcrops, in heath, scub and sandplain between the Stirling Range and Israelite Bay in the Esperance Plains, Jarrah Forest and Mallee biogeographic regions of south-western Western Australia.
This petrophile is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.