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*Tithonia Desfontaines ex A.L. de Jussieu. Sunflower-weed.

Key to Tithonia

A genus of about 11 species, herbs, shrubs, and rarely trees, of sw. United States, Mexico, and Central America.

Ref: La Duke (1982); La Duke (2006) In Flora of North America Editorial Committee (2006c). Show full citations.

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image of plant© Alvin Diamond, some rights reserved (CC BY-NC), uploaded by Alvin Diamond | Tithonia rotundifolia source | Original Image ⭷

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