9200.000 Helianthus - 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: 1 taxon. |
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Links to taxa: View: living plant images - herbarium specimen images - all images for this genus
| Species | FZ divisions | Content |
| annuus L. | C | Description, Image |
Other sources of information about Helianthus:
Our websites:
Flora of Mozambique: HelianthusFlora of Zambia: Helianthus
Flora of Zimbabwe: cultivated Helianthus
External websites:
African Plants: A Photo Guide (Senckenberg): HelianthusBHL (Biodiversity Heritage Library): Helianthus
EOL (Encyclopedia of Life): Helianthus
GBIF (Global Biodiversity Information Facility): Helianthus
Google: Web - Images - Scholar
iNaturalist: Helianthus
IPNI (International Plant Names Index): Helianthus
JSTOR Plant Science: Helianthus
Mansfeld World Database of Agricultural and Horticultural Crops: Helianthus
Plants of the World Online: Helianthus
Tropicos: Helianthus
Wikipedia: Helianthus