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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 |
Description: |
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. |
Notes: | |
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 |
Literature: |
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 |
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