9200.000 Helianthus L. - Sunflowers

Wild, H. (1967) The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) 1-62

Description of the genus

Annual (in ours) or perennial herbs. Leaves alternate (in ours). Capitula large, solitary and terminal or laxly corymbose, heterogamous, radiate; ray florets neuter, yellow; disk florets bisexual, fertile. Phyllaries 2-3-seriate. green and herbaceous. Receptacular scales folded, partly enclosing achenes at maturity. Achenes ± flattened, slightly angled. Pappus of 2(-4) deciduous bristles.

Worldwide: 50 species in N America

Zimbabwe: 2 cultivated taxa.

Helianthus annuus

Links to cultivated taxa    View: living plant images - herbarium specimen images - all images for this genus

angustifolius L.
annuus L.Description, Image

Other sources of information about Helianthus:

Our websites:

Flora of Mozambique: Helianthus
Flora of Zambia: Helianthus
Flora of Zimbabwe: Helianthus

External websites:

ePIC (electronic Plant Information Center): Helianthus
Flora Zambesiaca web site: Helianthus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Helianthus
Wikipedia: Helianthus
IPNI (International Plant Names Index): Helianthus
Kew Herbarium catalogue: Helianthus

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-22

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2022). Flora of Zimbabwe: Cultivated plants: genus page: Helianthus.
https://www.zimbabweflora.co.zw/cult/genus.php?genus_id=1524, retrieved 3 October 2022

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