Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
TITHONIA Desfontaines ex Jussieu, Gen. Pl. 189. 1789.
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TYPE: Tithonia tagetiflora Desfontaines
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. |