Calocephalus knappii
{{Short description|Species of flowering plant}}
{{Use dmy dates|date=July 2019}}
{{Speciesbox
|name =
|image = Calocephalus knappii flowers.jpg
|genus = Calocephalus
|species = knappii
|authority = (F.Muell.) Ewart & Jean White{{cite web |title=Calocephalus knappii |url=https://biodiversity.org.au/nsl/services/apc-format/display/98796 |publisher=Australian Plant Census |access-date=24 March 2024}}
}}
File:Calocephalus knappii habitus.jpg
Calocephalus knappii, is a species of flowering plant in the family Asteraceae. It is a small annual herb with yellow globular-shape flowers upright to decumbent branches and is endemic to Australia.
Description
Calocephalus knappii is an annual herb with decumbent or upright habit with branches about {{cvt|3-30|cm}} long. The leaves are arranged alternate, oval to lance-shaped or linear to elliptic, {{cvt|0.5-3.2|cm}} long, spreading to pressed against the stem, {{cvt|0.25-0.6|cm}} wide, occasional to thickly hairy and a prominent mid vein. The flower heads are oblong, rounded, globular or ovoid, about {{cvt|0.6-1.6|cm}} in diameter, orange or yellowish brown, each head has about 20-70 florets, outer bracts mostly green, opaque and the corolla tube {{cvt|1.6-2.4|mm}} long. Flowering occurs from July to October and the fruit is an achene about {{cvt|0.5|mm}} long, about {{cvt|0.3|mm}} in diameter, brown and bristly.{{cite web |title=Calocephalus knappii |url=http://flora.sa.gov.au/cgi-bin/speciesfacts_display.cgi?genus=Calocephalus&species=knappii |website=eFloraSA-Electronic Flora of South Australia |publisher=State Herbarium of South Australia |access-date=26 March 2024}}{{cite web |last1=Spooner |first1=Amanda |title=Calocephalu knappii |url=https://florabase.dbca.wa.gov.au/browse/profile/7893 |website=Florabase- the Flora of Western Australia |publisher=Department of Biodiversity, Conservation and Attractions |access-date=26 March 2024}}
Taxonomy and naming
Calcephalus knappii was first formally described in 1910 by Ewart & Jean White from an unpublished description by Ferdinand von Mueller and the description was published in Proceedings of the Royal Society of Victoria.{{cite web |title=Calocephalus knappii |url=https://biodiversity.org.au/nsl/services/rest/instance/apni/525002 |publisher=Australian Plant Name Index |access-date=28 March 2024}}{{cite journal |last1=Ewart |first1=Alfred |last2=White |first2=Jean |title=Calocephalus knappii |journal=Proceedings of the Royal Society of Victoria |date=1910 |volume=22 |page=319 |url=https://www.biodiversitylibrary.org/item/34822#page/441/mode/1up |access-date=28 March 2024}} The specific epithet (knappii) is in honour of Austrian botanist Joseph Armin Knapp.{{cite book |last1=George |first1=A.S |last2=Sharr |first2=F.A |title=Western Australian Plant Names and their meanings |date=2021 |publisher=Four Gables |location=Kardinya |isbn=9780958034197 |page=319|edition=4th}}
Distribution and habitat
References
{{Reflist}}
{{Taxonbar|from=Q15555299}}
Category:Asterales of Australia
Category:Flora of Western Australia
Category:Flora of the Northern Territory
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