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Genus: Tithonia

Life > eukaryotes > Archaeoplastida > Chloroplastida > Charophyta > Streptophytina > Plantae (land plants) > Tracheophyta (vascular plants) > Euphyllophyta > Lignophyta (woody plants) > Spermatophyta (seed plants) > Angiospermae (flowering plants) > Eudicotyledons > Core Eudicots > Asterids > Euasterid II > Order: Asterales > Family: Asteraceae > Tribe: Heliantheae

There are 11 species, native to North and Central America. Tithonia diversifolia and Tithonia rotundifolia have become naturalised in southern Africa.  

Species naturalised in southern Africa

List from Plants of southern Africa - an online checklist (SANBI), Flora of Zimbabwe and Flora of Mozambique.

Tithonia diversifolia (Mexican Sunflower)

Mexikaanse Sonneblom [Afrikaans]; umbabane [Zulu]

See KwaZulu-Natal wild flowers by Elsa Pooley p. 318 and Flora of Zimbabwe. A declared Category 1 invasive plant in South Africa.

Tithonia rotundifolia (Red Sunflower)

Rooisonneblom [Afrikaans]

See KwaZulu-Natal wild flowers by Elsa Pooley p. 82; Wild Flowers of the Highveld by Braam van Wyk and Sasa Malan p. 272 and Flora of Zimbabwe. A declared Category 1 invasive plant in South Africa.

Publications

  • La Duke, J.C. 1982. Revision of Tithonia. Rhodora 84: 453-522.

 

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