Cotula australis (Sieb. & Spreng) Hook.f.

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Cotula australis

Photo: Bart Wursten
Ndundu Lodge, Vumba

Cotula australis

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

Cotula australis

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

Cotula australis

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

Cotula australis

Photo: Bart Wursten
By the lodges, Lake Kyle Recreational Park

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Anacyclus australis Spreng.
Cotula villosa DC.
Common names: Button weed (English)
Frequency: Occasional
Status: Introduced
Description:
Annual, prostrate or ascending, herb, to 25 cm. Leaves 2-pinnatifid, oblanceolate in outline, thinly pubescent; base semi-amplexicaul. Capitula solitary, terminal, ± flattened, borne on a long peduncle, 1.5-7.5 cm long. Phyllaries elliptic, with scarious margins, borne in 2 rows. Outer florets lacking a corolla; inner florets white or yellow-green; all florets stalked. Achenes dimorphic; those of outer florets elliptic, winged; those of inner florets obovoid, not winged.
Notes: Peduncles in this species are much longer than in the related C. anthemoides.
The specimen from Lake Kyle RP may represent the first record from the Southern Division.
Derivation of specific name: australis: southern
Habitat: A weed of gardens and lawns, usually close to human habitation.
Altitude range: (metres) 830 - 2270 m
Flowering time:Apr - Sep
Worldwide distribution: Native of New Zealand and Australia; now widespread as a weed in the warmer parts of the Old and New Worlds
Zimbabwe distribution: C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Saturday 24 March 2012
Literature:

Beentje, H.J. (ed.) (2002). Compositae (Part 2) Flora of Tropical East Africa Pages 525 - 526.

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 24.


Other sources of information about Cotula australis:

Our websites:

Flora of Malawi: Cotula australis

External websites:

African Plants: A Photo Guide (Senckenberg): Cotula australis
BHL (Biodiversity Heritage Library): Cotula australis
EOL (Encyclopedia of Life): Cotula australis
ePIC (electronic Plant Information Center): Cotula australis
Flora Zambesiaca web site: Cotula australis
GBIF (Global Biodiversity Information Facility): Cotula australis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Cotula australis
iNaturalist: Cotula australis
IPNI (International Plant Names Index): Cotula australis
JSTOR Plant Science: Cotula australis
Kew Herbarium catalogue: Cotula australis
Mansfeld World Database of Agricultural and Horticultural Crops: Cotula australis
Plants of the World Online: Cotula australis
The Plant List (version 1.1): Cotula australis
Tropicos: Cotula australis
Wikipedia: Cotula australis


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Cotula australis.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160850, retrieved 15 September 2019

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