Acanthospermum hispidum DC.

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Acanthospermum hispidum

Photo: Bart Wursten
Umvumvumvu River gorge

Acanthospermum hispidum

Photo: Bart Wursten
Umvumvumvu River gorge

Acanthospermum hispidum

Photo: Bart Wursten
Guvulala Pan, Hwange NP

Acanthospermum hispidum

Photo: Bart Wursten
Zona Tea Estates, near Mt Selinda

Acanthospermum hispidum

Photo: Bart Wursten
Along Zvishavane - Mbalabala road

Acanthospermum hispidum

Photo: Bart Wursten
Along Zvishavane - Mbalabala road

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

Synonyms:
Common names: Upright starbur (English)
Frequency: Common
Status: Introduced
Description:
Erect annual much-branched subshrub, up to 60 cm. Stems covered in coarse white hairs. Leaves opposite, oblong-lanceolate, sessile; margin variously entire or toothed. Inflorescences axillary or terminal with minute creamy-yellow flowers. Fruits spiny with 2 long spines at the apex, arranged in star-shaped groups of 7 or 8.
Notes:
Derivation of specific name: hispidum: hispid, bristly
Habitat: In cultivated and disturbed soils.
Altitude range: (metres) 360 - 1540 m
Flowering time:Feb - Apr
Worldwide distribution: Native to South America, now a pan-tropical weed.
Zimbabwe distribution: N,W,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: Wednesday 9 March 2016
Literature:

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 146.

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 76. (Includes a picture).

Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 347. (Includes a picture).

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 23.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 27.

Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 32. (Includes a picture).

Roodt, V. (2011). Wild flowers, Waterplants and Grasses of the Okavango Delta and Kalahari "Did You Know" nature series Struik Nature for Veronica Roodt Publications Page 12. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 30.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 198.

Vernon, R. (1983). Field Guide to Important Arable Weeds of Zambia Dept. of Agriculture, Chilanga, Zambia Pages 78 - 79. (Includes a picture).

Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 5 - 6.

Wild, H. (undated, c. 1955). Common Rhodesian Weeds ?Government of Rhodesia, Salisbury Page 61. (Includes a picture).


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Other sources of information about Acanthospermum hispidum:

Our websites:

Flora of Botswana: Acanthospermum hispidum
Flora of Caprivi: Acanthospermum hispidum
Flora of Mozambique: Acanthospermum hispidum
Flora of Zambia: Acanthospermum hispidum

External websites:

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


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 hispidum.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160280, retrieved 24 August 2016

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