Acanthospermum australe (Loefl.) Kuntze

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Acanthospermum australe

Photo: Bart Wursten
Ndundu Lodge, Vumba

Acanthospermum australe

Photo: Bart Wursten
Cleveland Dam, Harare

Acanthospermum australe

Photo: Bart Wursten
Cleveland Dam, Harare

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Synonyms: Acanthospermum brasilum Shrank
Common names: Creeping starbur (English) Prostrate starbur (English)
Frequency: Common
Status: Introduced
Description:
Annual herb with prostrate branches. Fertile achenes usually (6-)8-9, fused with an enlarged inner phyllary into a fruit which is c.7 mm, oblong-fusiform, covered with numerous hooked spines; apex without 2 prominent spines.
Notes:
Derivation of specific name: australe: southern
Habitat: In disturbed places, such as roadsides and cultivated areas, preferring the higher rainfall areas.
Altitude range: (metres)
Flowering time:Feb - Apr
Worldwide distribution: Central and South America: West Indies, Guianas, Brazil, Venezuela, Columbia, Bolivia and northern Paraguay.
Zimbabwe distribution: N,C,E
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: Monday 4 February 2008
Literature:

Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 7 - 8.

Wild, H. (undated, c. 1955). Common Rhodesian Weeds ?Government of Rhodesia, Salisbury Page 60. (Includes a picture).


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Other sources of information about Acanthospermum australe:

Our websites:

Flora of Malawi: Acanthospermum australe
Flora of Mozambique: Acanthospermum australe
Flora of Zambia: Acanthospermum australe

External websites:

African Plant Database: Acanthospermum australe
Biodiversity Explorer (Biodiversity of southern Africa): Acanthospermum australe
EOL (Encyclopedia of Life): Acanthospermum australe
ePIC (electronic Plant Information Center): Acanthospermum australe
Flora Zambesiaca web site: Acanthospermum australe
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Acanthospermum australe
IPNI (International Plant Names Index): Acanthospermum australe
Ispot Southern Africa : Acanthospermum australe
JSTOR Plant Science: Acanthospermum australe
Kew Herbarium catalogue: Acanthospermum australe
Tropicos: Acanthospermum australe
West African Plants database: Acanthospermum australe


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Species information: Acanthospermum australe.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160260, retrieved 8 December 2016

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