Olearia revoluta is a species of flowering plant in the family Asteraceae and is endemic to the south-west of Western Australia. It is an erect, rounded shrub with linear to oblong leaves with the edges rolled under, and white daisy-like .
Description
Olearia revoluta is an erect, rounded shrub that typically grows to a height of and has many branches. The leaves are linear to oblong, long with the edges rolled under, the lower surface woolly-hairy. The heads or daisy-like
Pseudanthium are arranged in leaf axils and are sessile or on a short peduncle with an oval to top-shaped
Involucral bract at the base. Each head has 4 to 8 white ray florets surrounding 6 to 10 disc florets. Flowering occurs between May and November.
Taxonomy
Olearia revoluta was first described in 1867 by
George Bentham in
Flora Australiensis from specimens collected by Augustus Oldfield between the Murchison and southern Hutt Rivers.
The specific epithet (
revoluta) means "", referring to the edges of the leaves.
Distribution and habitat
This olearia grows in sand over
sandstone, on the sandplains toward
Geraldton and beyond Esperance in the
Avon Wheatbelt,
Esperance Plains, Geraldton Sandplains and
Yalgoo bioregion bioregions of south-western Western Australia.
Ecology
The seeds are harvested by the
western rosella subspecies
Platycercus icterotis icterotis.
