Conyza sumatrensis (Retz.) E. Walker

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Conyza sumatrensis

Photo: Bart Wursten
Cleveland Dam, Harare

Conyza sumatrensis

Photo: Petra Ballings
4x4 Club, Donnybrook, Arcturus Road, Harare

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Synonyms: Conyza albida Willd. ex Spreng.
Conyza floribunda Kunth
Erigeron floribundus (Kunth) Sch. Bip.
Common names:
Frequency: Common
Status: Introduced
Tall erect annual, up to 2 m. It can be distinguished from the very similar C. bonariensis by the side branches always being shorter than the main stem, and the pappus being straw-coloured to pale brown.
Derivation of specific name: sumatrensis: of Sumatra, Indonesia
Habitat: A weed of cultivated and disturbed ground.
Altitude range: (metres)
Flowering time:Oct - May
Worldwide distribution: Possibly originating from South America but now an abundant pantropical 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

Wild, H. (1975). The Compositae of the Flora Zambesiaca area. 4. Astereae. Kirkia 10(1) Pages 43 - 45.


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Other sources of information about Conyza sumatrensis:

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Flora of Botswana: Conyza sumatrensis
Flora of Malawi: Conyza sumatrensis
Flora of Mozambique: Conyza sumatrensis
Flora of Zambia: Conyza sumatrensis

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-15

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2015). Flora of Zimbabwe: Species information: Conyza sumatrensis., retrieved 2 December 2015

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