Helianthus annuus L.
Selected images: Click on each image to see a larger version and details of the record View all images (4)
Picture: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare
Picture: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare
Picture: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare
Picture: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare
Species details: Click on each item to see an explanation of that item (Note: opens a new window)
Synonyms:
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Common names:
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Frequency:
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Occasional |
Status:
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Introduced |
Description:
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Robust roughly-hairy annual up to 3(-4) m.
Leaves alternate, long-petiolate, broadly lanceolate to ovate, acute or acuminate. Phyllaries ovate or ovate-lanceolate, ciliate. Capitula extremely large, up to 35 cm in diameter; disk florets brownish-purple. Ray-florets yellow. |
Type location:
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Notes:
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Derivation of specific name:
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annuus: annual |
Habitat:
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Mainly found along roadsides, probably from seeds fallen during transport. |
Altitude range: |
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Flowering time: | |
Worldwide distribution:
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Domesticated from native American stock and cultivated all over the world for its edible oils and seeds. It is occasionally found naturalized along roadsides. |
Zambian distribution (Flora Zambesiaca):
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Zambian distribution (Provinces):
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Growth form(s):
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Endemic status:
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Red data list status:
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Insects associated with this species:
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Agonoscelis versicoloratus (Minor pest, feeding on seeds)
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Spot characters:
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Display spot characters for this species |
Content last updated: |
Sunday 4 June 2017 |
Literature:
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Bailey, L.H. (1949). Manual of Cultivated Plants Revised edition. Macmillan, New York. Page 998.
Bandeira, S., Bolnick, D. & Barbosa, F. (2007). Wild Flowers of Southern Mozambique Universidade Eduardo Mondlane, Maputo, Mozambique Pages 211 - 212. Helianthus annuus lenticularis argophyllus (Includes a picture).
Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 706 - 707. (Includes a picture).
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Other sources of information about Helianthus annuus:
Our websites:
Flora of Mozambique:
Helianthus annuusFlora of Zimbabwe:
Helianthus annuusFlora of Zimbabwe:
cultivated Helianthus annuusExternal websites:
African Plants: A Photo Guide (Senckenberg):
Helianthus annuusAfrican Plant Database:
Helianthus annuusBHL (Biodiversity Heritage Library):
Helianthus annuusEOL (Encyclopedia of Life):
Helianthus annuusePIC (electronic Plant Information Center):
Helianthus annuusFlora Zambesiaca web site:
Helianthus annuusGBIF (Global Biodiversity Information Facility):
Helianthus annuusGoogle:
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ScholarGRIN (Germplasm Resources Information Network):
Helianthus annuusiNaturalist:
Helianthus annuusIPNI (International Plant Names Index):
Helianthus annuusJSTOR Plant Science:
Helianthus annuusKew Herbarium catalogue:
Helianthus annuusMansfeld World Database of Agricultural and Horticultural Crops:
Helianthus annuusPlants of the World Online:
Helianthus annuusTropicos:
Helianthus annuusWikipedia:
Helianthus annuus
Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23
Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A.
(2023).
Flora of Zambia: Species information: Helianthus annuus. https://www.zambiaflora.com/speciesdata/species.php?species_id=160480, retrieved 5 February 2023
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