Home | > | List of families | > | Asteraceae | > | Acanthospermum | > | hispidum |
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: |
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. |
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