9196.000 Tithonia Desf. ex Juss.

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

Description of the genus

Annual or perennial herbs or subshrubs. Leaves usually alternate, entire or lobed. Peduncles long, swollen below the capitulum. Capitula large, showy, solitary, heterogamous, radiate. Ray florets neuter, disk florets bisexual. Phyllaries in 2-5 series. Receptacular scales clasping the florets, persistent. Achenes 4-sided. Pappus a crown of short scales with usually 1-2 additional awns.

Worldwide: 11 species, from SW USA to Central America

Zimbabwe: 2 taxa.

Tithonia diversifolia

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

SpeciesFZ divisionsContent
diversifolia (Hemsl.) A. GrayC,EDescription, Image
rotundifolia (Mill.) S.F. BlakeN,W,C,E,SDescription, Image

Key to Species

Display key

Other sources of information about Tithonia:

Our websites:

Flora of Botswana: Tithonia
Flora of Malawi: Tithonia
Flora of Mozambique: Tithonia
Flora of Zambia: Tithonia

External websites:

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

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: Genus page: Tithonia.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1523, retrieved 23 October 2017

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