Erigeron sumatrensis Retz.

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Erigeron sumatrensis

Photo: Bart Wursten
Cleveland Dam, Harare

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Synonyms: Aster ambiguus E.H.L.Krause
Baccharis ivifolia Blanco
Conyza albida Willd. ex Spreng.
Conyza altissima Naudin ex Debeaux
Conyza ambigua DC.
Conyza bonariensis (L.) Cronquist var. microcephala (Cabrera) Cabrera
Conyza erigeroides DC.
Conyza floribunda Kunth
Conyza groegeri V.M.Badillo
Conyza naudinii Bonnet
Conyza sumatrensis (Retz.) E. Walker
Dimorphanthes ambigua C.Presl
Dimorphanthes floribunda Cass.
Erigeron albidus (Willd. ex Spreng.) A.Gray
Erigeron ambiguus Sch.Bip.
Erigeron floribundus (Kunth) Sch. Bip.
Erigeron musashensis Makino
Erigeron naudinii (Bonnet) Humbert
Eschenbachia ambigua Moris
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 inflorescence being tall paniculate wit the side branches always being shorter than the main stem; the involucral bracts being green, not red-tipped, 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 almost cosmopolitan 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

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. 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. as Conyza sumatrensis

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 29. as Conyza albida

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. as Conyza sumatrensis

Other sources of information about Erigeron sumatrensis:

Our websites:

Flora of Botswana: Erigeron sumatrensis
Flora of Caprivi: cultivated Erigeron sumatrensis
Flora of Malawi: Erigeron sumatrensis
Flora of Mozambique: Erigeron sumatrensis
Flora of Zambia: Erigeron sumatrensis

External websites:

African Plants: A Photo Guide (Senckenberg): Erigeron sumatrensis
African Plant Database: Erigeron sumatrensis
BHL (Biodiversity Heritage Library): Erigeron sumatrensis
EOL (Encyclopedia of Life): Erigeron sumatrensis
GBIF (Global Biodiversity Information Facility): Erigeron sumatrensis
Google: Web - Images - Scholar
iNaturalist: Erigeron sumatrensis
IPNI (International Plant Names Index): Erigeron sumatrensis
JSTOR Plant Science: Erigeron sumatrensis
Mansfeld World Database of Agricultural and Horticultural Crops: Erigeron sumatrensis
Plants of the World Online: Erigeron sumatrensis
Tropicos: Erigeron sumatrensis
Wikipedia: Erigeron sumatrensis

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Erigeron sumatrensis., retrieved 19 April 2024

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