{{Short description|Species of flowering plant}} {{Use Australian English|date=March 2024}} {{Use dmy dates|date=March 2024}} {{Speciesbox |image = Conostylis setosa gnangarra.JPG |image_caption = In Beelu National Park |genus = Conostylis |species = setosa |authority = Lindl.<ref name="APC">{{cite web |title=''Conostylis setosa'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/77775 |publisher=Australian Plant Census |access-date=2 March 2024}}</ref> |synonyms = }}
'''''Conostylis setosa''''', commonly known as '''white cottonhead''',<ref name="FB">{{FloraBase|name= ''Conostylis setosa''|id=1455 }}</ref> is a rhizomatous, tufted perennial, grass-like plant or herb in the family Haemodoraceae and is endemic to the south-west of Western Australia. It has flat leaves and white, or pinkish maroon to purple flowers
==Description== ''Conostylis setosa'' is a rhizomatous, perennial grass-like plant or herb that has small tufts and short stems. The leaves are flat, {{cvt|150–300|mm}} long, {{cvt|1.5–4.0|mm}} wide, green with striations and glabrous apart from two ranks of hairs on the edges. The flowers are usually borne on up to four flowering stems {{cvt|80–350|mm}} long. The flowers are white or pinkish maroon to purple, {{cvt|12–20|mm}} long with lobes {{cvt|6.0–10.5|mm}} long. The anthers are {{cvt|2–4|mm}} long and the style is {{cvt|8.4–12|mm}} long. Flowering occurs from September to November.<ref name="FB" /><ref name="foa">{{cite web |last1=Hopper |first1=S.D |last2=Purdie |first2=R.W |last3=George |first3=A.S |last4=Patrick |first4=S.J |title=''Conostylis setosa'' |url=https://www.dcceew.gov.au/sites/default/files/env/pages/34b53009-bdf7-4c4d-93a6-4a9ab3c14cf7/files/flora-australia-45-hydatellaceae-liliaceae.pdf |page=101 |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment |access-date=2 March 2024}}</ref><ref name="FOA">{{cite web |last1=Hopper |first1=S.D |last2=Purdie |first2=R.W |last3=George |first3=A.S |last4=Patrick |first4=S.J |title=''Conostylis setosa'' |url=https://profiles.ala.org.au/opus/foa/profile/Conostylis%20setosa |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment |access-date=2 March 2024}}</ref>
==Taxonomy and naming== ''Conostylis setosa'' was first formally described in 1840 by John Lindley in his ''A Sketch of the Vegetation of the Swan River Colony''.<ref name=APNI>{{cite web|title=''Conostylis setosa'' |url=https://biodiversity.org.au/nsl/services/api/instance/apni/492060 |publisher=APNI|accessdate=23 February 2024}}</ref><ref name="Lindl.">{{cite book |last1=Lindley |first1=John |title=A Sketch of the Vegetation of the Swan River Colony |date=1840 |publisher=James Ridgway |location=London |page=xliv |url=https://archive.org/details/sketchvegetatio00goog/page/n52/mode/2up |access-date=2 March 2024}}</ref> The specific epithet (''setosa'') means "bristly".<ref name="Sharr">{{cite book |last1=Sharr |first1=Francis Aubi |last2=George |first2=Alex |title=Western Australian Plant Names and Their Meanings |date=2019 |publisher=Four Gables Press |location=Kardinya, WA |isbn=9780958034180 |page=306 |edition=3rd}}</ref>
==Distribution and habitat== White cottonhead is locally common between Bindoon and Dwellingup on the Darling Scarp, in the Jarrah Forest and Swan Coastal Plain bioregions in the south-west of Western Australia.<ref name="FB"/><ref name="foa"/>
==Conservation status== ''Conostylis setosa'' is listed as "not threatened" by the Western Australian Government Department of Biodiversity, Conservation and Attractions.<ref name="FB" />
==External links== {{Commons category|Conostylis setosa}}
==References== {{Reflist}}
{{Taxonbar|from=Q15335317}}
setosa Category:Commelinales of Australia Category:Angiosperms of Western Australia Category:Plants described in 1840 Category:Taxa named by John Lindley