Contains 2 accepted taxa overall.

Characteristics
Tithonia Desf. ex Juss.
TITHONIA
Classification
ASTERALES
Tithonia
Citation
TITHONIA Desfontaines ex Jussieu, Gen. Pl. 189. 1789.
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TYPE: Tithonia tagetiflora Desfontaines
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Tithonia diversifolia SHRUB SUNFLOWER Not Native FACU (NWPL)
Tithonia rotundifolia CLAVEL DE MUERTO Not Native
Identification Key
1.  Perennial, subshrub to shrubs; phyllaries 16-28, the outer shorter than the inner; ray laminae 48-69 mm long; disc florets 80-130; cypselae 4-6 mm long
1.  Annual; phyllaries 12-16, the outer longer to subequal to the inner; ray laimnae 20-33 mm long; disc florets 60-90; cypselae 5-9 mm long
Genus Synonyms
Synonym Full Citation Basionym Type
Mirasolia Mirasolia (Schultz Bipontinus) Bentham, in Bentham & Hooker f., Gen. Pl. 2: 367. 1873. BASIONYM: Tithonia Desfontaines ex Jussieu, subg. Mirasolia Schultz Bipontinus, in Seemann, Bot. Voy. Herald 305. 1856. TYPE: Tithonia calva Schultz Bipontinus
Urbanisol Urbanisol Kuntze, Revis. Gen. Pl. 1: 370. 1891. TYPE: Tithonia Desfontaines ex Jussieu 1789.