{{Short description|Species of flowering plant}} {{Use Australian English|date=August 2024}} {{Speciesbox |image = Conostylis androstemma - Flickr - Kevin Thiele.jpg |image2 = Conostylis androstemma (6105955774).jpg |image_caption = |genus = Conostylis |species = androstemma |authority = F.Muell.<ref name="APC">{{cite web |title=''Conostylis androstemma'' |url=https://biodiversity.org.au/nsl/services/apc-format/display/77297 |publisher=Australian Plant Census |access-date=10 April 2024}}</ref> |range_map = Conostylis androstemma DistMap40.png |range_map_caption = Occurrence data from AVH |synonyms=''Androstemma junceum'' Lindl. |synonyms_ref = <ref name=PWO>Govaerts, R., ''et al.'' (2019) [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:429614-1 Plants of the world online:''Conostylis androstemma''.] Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 9 January 2019.</ref> }}

'''''Conostylis androstemma''''' (common name '''trumpets''')<ref name=WA>{{FloraBase|name= ''Conostylis androstemma''|id=1420 }}</ref> is a tufted perennial plant species in the family Haemodoraceae. It is endemic to the south-west of Western Australia.<ref name=foa/> Plants grow to between 10 and 30&nbsp;cm high and produce cream to pale yellow flowers between May and August in the species' native range.<ref name="WA" />

==Description== ''Conostylis androstemma'' has green, hairless, terete leaves that are {{cvt|10–30|cm}} long and about {{cvt|1|mm}} in diameter. The flowers are borne on pedicels that are {{cvt|4–6|mm}} long, with bracts {{cvt|8–10|mm}} long and {{cvt|2|mm}} wide at the base.<ref name=foa/> The flowers are white to cream-coloured or yellow, {{cvt|25–45|mm}} long, hairy and radially symmetrical with lobes that are {{cvt|15–22|mm}} long.<ref name=WA/><ref name=foa/> The six stamens are in one level, the anthers {{cvt|11–12|mm}} long and the style {{cvt|33–45|mm}} long.<ref name=foa/><ref name=WA/> Flowering occurs from May to August.<ref name=WA/> The plant resprouts from its rhizomes, after fire.<ref name=foa/>

It is easily distinguished from ''Conostylis argentea'' by its terete hairless leaves.<ref name=foa/>

==Taxonomy== Originally named ''Androstemma junceum'' and described by John Lindley in 1840 in ''A Sketch of the Vegetation of the Swan River Colony'',<ref name=APNI1>{{cite web|title=''Androstemma junceum'' |url=https://biodiversity.org.au/nsl/services/api/instance/apni/512210 |publisher=APNI|accessdate=10 April 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=Piccadilly |page=55 |url=https://archive.org/details/sketchvegetatio00goog/page/n54/mode/2up |access-date=10 April 2024}}</ref> The species was assigned to the genus ''Conostylis'' by botanist Ferdinand von Mueller in 1873 in ''Fragmenta Phytographiae Australiae'' and renamed ''Conostylis androstemma''.<ref name=APNI>{{cite web|title=''Conostylis androstemma'' |url=https://biodiversity.org.au/nsl/services/api/instance/apni/491261 |publisher=APNI|accessdate=10 April 2024}}</ref><ref name="muell.">{{cite book |last1=von Mueller |first1=Ferdinand |title=Fragmenta Phytographiae Australiae |date=1873 |volume=8 |publisher=Victorian Government Printer |location=Melbourne |page=19 |url=https://www.biodiversitylibrary.org/item/7225#page/20/mode/1up |access-date=10 April 2024}}</ref>

==Distribution and habitat== ''Conostylis androstemma'' grows in lateritic gravel and yellow sand on screes and hilltops, and occurs in south-western Western Australia from Kalbarri National Park to Perth and York in the Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest, Swan Coastal Plain and Yalgoo bioregions of south-western Western Australia.<ref name="WA" /><ref name="foa" />

==References== {{Reflist|refs= <ref name=foa>{{Flora of Australia Online |id=57595 |name=''Conostylis androstemma'' F.Muell. }}</ref> }}

{{Taxonbar|from=Q15333169}}

Category:Commelinales of Australia Category:Angiosperms of Western Australia Category:Plants described in 1840 Category:Taxa named by John Lindley androstemma