{{Short description|Species of flowering plant}} {{Use Australian English|date=August 2024}} {{Use dmy dates|date=November 2023}} {{speciesbox |image = Conostylis robusta.jpg |image_caption = In the Australian National Botanic Gardens |genus = Conostylis |species = robusta |status_system = |status = |authority = Hopper<ref name="APC">{{cite web |title=''Conostylis pauciflora'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/77727|publisher=Australian Plant Census |access-date=25 January 2023}}</ref> |range_map = |range_map_caption = }}
'''''Conostylis robusta''''' is a rhizomatous, tufted, stoloniferous, perennial, grass-like plant or herb in the family Haemodoraceae and is endemic to the south-west of Western Australia. It has flat, green leaves with bristles on the edges, and heads of yellow flowers on a relatively long flowering stem.
==Description== ''Conostylis robusta'' is a rhizomatous, tufted, stoloniferous perennial grass-like plant or herb forming clumps {{cvt|300|cm}} wide and up to {{cvt|60|cm}} high. The leaves are flat, bluish-green and faintly glaucous, {{cvt|80–340|mm}} long and {{cvt|2–12|mm}} wide. The flower stem is green, {{cvt|190–420|mm}} long and usually longer than the leaves. The perianth is yellow and hairy, {{cvt|5-12|mm}} long with six more or less equal tepals and six stamens, the filaments {{cvt|0.5–1|mm}} long and the anthers {{cvt|4.5–5.0|mm}} long. Flowering occurs in August and September. This species is similar to C. aculeata.<ref name=FB>{{FloraBase|name= ''Conostylis robusta''|id=1450 }}</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 pauciflora'' |url=https://www.dcceew.gov.au/sites/default/files/env/pages/34b53009-bdf7-4c4d-93a6-4a9ab3c14cf7/files/flora-australia-45-hydatellaceae-liliaceae.pdf |page=80 |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment |access-date=25 January 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 robusta'' |url=https://profiles.ala.org.au/opus/foa/profile/Conostylis%20robusta |publisher=Australian Biological Resources Study, Department of Agriculture, Water and the Environment |access-date=25 January 2024}}</ref>
==Taxonomy and naming== ''Conostylis robusta'' was first formally described in 1904 by Ludwig Diels in ''Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie'', from specimens he collected near the Chapman River.<ref name=APNI>{{cite web|title=''Conostylis robusta'' |url=https://biodiversity.org.au/nsl/services/api/instance/apni/491984 |publisher=APNI|accessdate=25 January 2023}}</ref> The specific epithet (''robusta'') means "robust".<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=296 |edition=3rd}}</ref><ref name="Diels">{{cite journal |last1=Diels |first1=Ludwig |editor-last1=Pritzel |editor-first1=Ernst Georg |title=Fragmenta Phytographiae Australiae occidentalis. Beitrage zur Kenntnis der Pflanzen Westaustraliens, ihrer Verbreitung und ihrer Lebensverhaltnisse. |journal=Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie |date=1904 |volume=35 |issue=1 |page=109 |url=https://www.biodiversitylibrary.org/item/660#page/114/mode/1up |access-date=25 January 2024}}</ref>
==Distribution and habitat== This species of conostylis grows in heath and scrub between the Mingenew-Walkaway area, Eradu and Kalbarri National Park in the Avon Wheatbelt and Geraldton Sandplains bioregions of south-western Western Australia.
==Conservation status== ''Conostylis robusta'' is listed as "not threatened" by the Government of Western Australia Department of Biodiversity, Conservation and Attractions.<ref name="FB" />
==References== {{Reflist}}
{{Taxonbar|from=Q15334348}}
robusta Category:Commelinales of Australia Category:Angiosperms of Western Australia Category:Plants described in 1904 Category:Taxa named by Ludwig Diels