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Chromolaena odorata
Selected images: Click on each image to see a larger version and details of the record View all images (4)
Photo: Costas Zachariades
U
Photo: Costas Zachariades
U
Photo: Costas Zachariades
Amanzimtoti, Durban coast
Photo: Costas Zachariades
Amanzimtoti, Durban coast
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Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: |
Eupatorium conyzoides Vahl Eupatorium odoratum L. |
| Common names: | Siam weed (English) Triffid weed (English) |
| Frequency: | |
| Status: | |
| Description: |
Scrambling or climbing shrub, to 4 m (or more when supported). Leaves ovate to triangular, 3-veined from the base, gland-dotted below, smelling strongly of turpentine or paraffin when crushed. Capitula c. 10 × 3 mm, cylindric. Achenes c.5mm, straw-coloured. |
| Type location: |
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| Notes: | |
| Derivation of specific name: | odorata: odorous, fragrant |
| Habitat: | |
| Altitude range: (metres) | |
| Flowering time: | |
| Worldwide distribution: | North, Central and South America (SE USA to northern Argentina) |
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| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Literature: |
Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 1031. (Includes a picture). Gautier, L. (1992). Taxonomy and distribution of a tropical weed: Chromolaena odorata (L.) R. King and H. Robinson Candollea 47 McFadyen, R. & Skarratt, B. (1996). Potential distribution of Chromolaena odorata (Siam Weed) in Australia, Africa, and Oceania. Agriculture, Ecosystems and Environment 59 Zachariades, C., Janse van Rensburg, S. & Witt, A.B.R. (2013). Recent spread and new records of Chromolaena odorata in Africa Proceedings of the Eighth International Workshop on Biological Control and Management of Chromolaena odorata and other Eupatorieae, Nairobi, Kenya, 1-2 November 2010. ARC-PPRI, Pretoria Pages 20 - 27. |
Other sources of information about Chromolaena odorata:
Our websites:
Flora of Mozambique: Chromolaena odorataFlora of Zimbabwe: Chromolaena odorata
External websites:
African Plants: A Photo Guide (Senckenberg): Chromolaena odorataBHL (Biodiversity Heritage Library): Chromolaena odorata
EOL (Encyclopedia of Life): Chromolaena odorata
GBIF (Global Biodiversity Information Facility): Chromolaena odorata
Google: Web - Images - Scholar
iNaturalist: Chromolaena odorata
IPNI (International Plant Names Index): Chromolaena odorata
JSTOR Plant Science: Chromolaena odorata
Mansfeld World Database of Agricultural and Horticultural Crops: Chromolaena odorata
Plants of the World Online: Chromolaena odorata
Tropicos: Chromolaena odorata
Wikipedia: Chromolaena odorata
| Home | > | List of families | > | Asteraceae | > | Chromolaena | > | odorata |