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Acanthospermum hispidum
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Photo: Bart Wursten
Umvumvumvu River gorge
Photo: Bart Wursten
Umvumvumvu River gorge
Photo: Bart Wursten
Guvulala Pan, Hwange NP
Photo: Bart Wursten
Zona Tea Estates, near Mt Selinda
Photo: Bart Wursten
Along Zvishavane - Mbalabala road
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: | |
| 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. |
| Flowering time: | Feb - Apr |
| Worldwide distribution: | Native to South America, now a pan-tropical weed. |
| Botswana distribution: | N,SE |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 766 - 768. (Includes a picture). Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 2. 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. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 61. (Includes a picture). Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 5 - 6. |
Other sources of information about Acanthospermum hispidum:
Our websites:
Flora of Burundi: Acanthospermum hispidumFlora of Caprivi: Acanthospermum hispidum
Flora of Malawi: Acanthospermum hispidum
Flora of Mozambique: Acanthospermum hispidum
Flora of Zambia: Acanthospermum hispidum
Flora of Zimbabwe: Acanthospermum hispidum
External websites:
African Plants: A Photo Guide (Senckenberg): Acanthospermum hispidumAfrican Plant Database: Acanthospermum hispidum
BHL (Biodiversity Heritage Library): Acanthospermum hispidum
EOL (Encyclopedia of Life): Acanthospermum hispidum
GBIF (Global Biodiversity Information Facility): Acanthospermum hispidum
Google: Web - Images - Scholar
iNaturalist: Acanthospermum hispidum
IPNI (International Plant Names Index): Acanthospermum hispidum
JSTOR Plant Science: Acanthospermum hispidum
Mansfeld World Database of Agricultural and Horticultural Crops: Acanthospermum hispidum
Plants of the World Online: Acanthospermum hispidum
Tropicos: Acanthospermum hispidum
Wikipedia: Acanthospermum hispidum
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