Helianthus annuus L.

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Helianthus annuus

Photo: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare

Helianthus annuus

Photo: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare

Helianthus annuus

Photo: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare

Helianthus annuus

Photo: Mark Hyde
25, Trafalgar Avenue, Sentosa, Harare

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms:
Common names: Sunflower (English)
Frequency:
Status: Introduced
Description:
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.
Notes:
Derivation of specific name: annuus: annual
Habitat:
Altitude range:
Flowering time:
Worldwide distribution: Domesticated from native American stock and cultivated all over the world for its edible oils and seeds. It is occasionally found naturalized along roadsides.
Mozambique distribution:
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species: Agonoscelis versicoloratus (Minor pest, feeding on seeds)
Spot characters: Display spot characters for this species
Content last updated: Sunday 4 June 2017
Literature:

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).

Other sources of information about Helianthus annuus:

Our websites:

Flora of Zambia: Helianthus annuus
Flora of Zimbabwe: Helianthus annuus
Flora of Zimbabwe: cultivated Helianthus annuus

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Mozambique: Species information: Helianthus annuus.
http://www.mozambiqueflora.com/speciesdata/species.php?species_id=160480, retrieved 23 November 2017

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