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Olearia revoluta
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<h2 id="description">Description</h2> <p><i>Olearia revoluta</i> is an erect, rounded shrub that typically grows to a height of 0.5–1.2 m (1 ft 8 in – 3 ft 11 in) and has many branches. The leaves are linear to oblong, 6.5–13 mm (0.26–0.51 in) long with the edges rolled under, the lower surface woolly-hairy. The heads or daisy-like <a href="/facts/Pseudanthium/ANBv3Iym">"flowers"</a> are arranged in leaf axils and are <a href="/facts/Sessility_(botany)/ySFsrG7S">sessile</a> or on a short <a href="/facts/Peduncle_(botany)/yhTfjMrb">peduncle</a> with an oval to top-shaped <a href="/facts/Involucral_bract/pnMGNMdn">involucre</a> at the base. Each head has 4 to 8 white ray <a href="/facts/Glossary_of_botanical_terms/RjjcIGWp">florets</a> surrounding 6 to 10 disc florets. Flowering occurs between May and November.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a><a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <h2 id="taxonomy">Taxonomy</h2> <p><i>Olearia revoluta</i> was first described in 1867 by <a href="/facts/George_Bentham/sqlE3Q7I">George Bentham</a> in <i><a href="/facts/Flora_Australiensis/g1Lqcnyw">Flora Australiensis</a></i> from specimens collected by <a href="/facts/Augustus_Oldfield/QkFoXkr9">Augustus Oldfield</a> between the <a href="/facts/Murchison_River%2c_Western_Australia/A7TTL2By">Murchison</a> and southern <a href="/facts/Hutt_River_(Western_Australia)/EAGvq4c9">Hutt Rivers</a>.<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a><a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a> The <a href="/facts/Binomial_nomenclature/jgBqAhPv">specific epithet</a> (<i>revoluta</i>) means "revolute", referring to the edges of the leaves.<a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a> </p> <h2 id="distribution-and-habitat">Distribution and habitat</h2> <p>This olearia grows in sand over <a href="/facts/Sandstone/RP8B6fqL">sandstone</a>, on the sandplains toward <a href="/facts/Geraldton/L7ttChDE">Geraldton</a> and beyond <a href="/facts/Esperance%2c_Western_Australia/DNrw27DD">Esperance</a> in the <a href="/facts/Avon_Wheatbelt/tdVxrGXK">Avon Wheatbelt</a>, <a href="/facts/Esperance_Plains/6QEmFcF3">Esperance Plains</a>, <a href="/facts/Geraldton_Sandplains/GxVpWWax">Geraldton Sandplains</a> and <a href="/facts/Yalgoo_bioregion/0SawfcVR">Yalgoo</a> bioregions of south-western Western Australia.<a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a> </p> <h2 id="ecology">Ecology</h2> <p>The seeds are harvested by the <a href="/facts/Western_rosella/WGss8NJA">western rosella</a> subspecies <i>Platycercus icterotis icterotis</i>.<a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Olearia revoluta". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions. <a href="https://florabase.dpaw.wa.gov.au/browse/profile/8148" target="_blank">https://florabase.dpaw.wa.gov.au/browse/profile/8148</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Bentham, George; von Mueller, Ferdinand (1867). Flora Australiensis. Vol. 3. London: Lovell Reeve & Co. p. 476. Retrieved 17 July 2022. <a href="https://www.biodiversitylibrary.org/item/41807#page/484/mode/1up" target="_blank">https://www.biodiversitylibrary.org/item/41807#page/484/mode/1up</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Bentham, George; von Mueller, Ferdinand (1867). Flora Australiensis. Vol. 3. London: Lovell Reeve & Co. p. 476. Retrieved 17 July 2022. <a href="https://www.biodiversitylibrary.org/item/41807#page/484/mode/1up" target="_blank">https://www.biodiversitylibrary.org/item/41807#page/484/mode/1up</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Olearia revoluta". APNI. Retrieved 17 July 2022. <a href="https://biodiversity.org.au/nsl/services/rest/name/apni/536233/api/apni-format" target="_blank">https://biodiversity.org.au/nsl/services/rest/name/apni/536233/api/apni-format</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Sharr, Francis Aubi; George, Alex (2019). Western Australian Plant Names and Their Meanings (3rd ed.). Kardinya, WA: Four Gables Press. p. 294. ISBN 9780958034180. <a href="9780958034180" target="_blank">9780958034180</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Olearia revoluta". FloraBase. Western Australian Government Department of Biodiversity, Conservation and Attractions. <a href="https://florabase.dpaw.wa.gov.au/browse/profile/8148" target="_blank">https://florabase.dpaw.wa.gov.au/browse/profile/8148</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Johnstone, R.E.; Storr, G.M. (1998). Taylor, Deborah (ed.). Handbook of Western Australian birds. Vol. v.1 — non passerines. Perth: Western Australian Museum. p. 301. ISBN 978-0730712084. <a href="978-0730712084" target="_blank">978-0730712084</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> </ol>