Conyza sumatrensis (Retz.) E. Walker

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Conyza sumatrensis

Photo: Bart Wursten
Cleveland Dam, 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

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 87. as Conyza albida (Includes a picture).

Chapano, C., Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 10. As Conyza albida

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 24.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 32. as Conyza albida

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

Other sources of information about Conyza sumatrensis:

Our websites:

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

External websites:

African Plants: A Photo Guide (Senckenberg): Conyza sumatrensis
African Plant Database: Conyza sumatrensis
Biodiversity Explorer (Biodiversity of southern Africa): Conyza sumatrensis
BHL (Biodiversity Heritage Library): Conyza sumatrensis
EOL (Encyclopedia of Life): Conyza sumatrensis
ePIC (electronic Plant Information Center): Conyza sumatrensis
Flora Zambesiaca web site: Conyza sumatrensis
GBIF (Global Biodiversity Information Facility): Conyza sumatrensis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Conyza sumatrensis
IPNI (International Plant Names Index): Conyza sumatrensis
Ispot Southern Africa: Conyza sumatrensis
JSTOR Plant Science: Conyza sumatrensis
Kew Herbarium catalogue: Conyza sumatrensis
Mansfeld World Database of Agricultural and Horticultural Crops: Conyza sumatrensis
The Plant List (version 1.1): Conyza sumatrensis
Tropicos: Conyza sumatrensis

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-18

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2018). Flora of Zimbabwe: Species information: Conyza sumatrensis., retrieved 16 November 2018

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