Helianthus annuus L.

Selected images: Click on each image to see a larger version and details of the record View all images (4)

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

Detailed records: Display species records QDS maps by: Google Maps Point records by Google Maps

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

Synonyms:
Common names: Sanifurawa (Shona) Sunflower (English)
Frequency: Occasional
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: Mainly found along roadsides, probably from seeds fallen during transport.
Altitude range: (metres)
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.
Zimbabwe distribution: C
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
Images 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).


Comments

comments powered by Disqus

Other sources of information about Helianthus annuus:

Our websites:

Flora of Mozambique: Helianthus annuus
Flora of Zambia: 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, 2002-17

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2017). Flora of Zimbabwe: Species information: Helianthus annuus.
http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160480, retrieved 24 August 2017

Site software last modified: 28 December 2016 2:55pm (GMT +2)
Terms of use