Tithonia rotundifolia
| Red sunflower | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Tithonia |
| Species: | T. rotundifolia |
| Binomial name | |
| Tithonia rotundifolia (Mill.) S.F. Blake | |
The red sunflower or Mexican sunflower (Tithonia rotundifolia (Mill.) S.F. Blake[1]) is a plant in the Asteraceae family, which is native to the warmer and moister parts of North America.
Range
It occurs in Florida, Louisiana, Mexico, Central America and the West Indies. Outside its native region it is sometimes grown as an ornamental and has become naturalized in some of these locales. In Africa it has been recorded up to an altitude of 1,580 m above sea level.[2]
Description
It is an annual up to 4 m tall with orange or red flowers. Leaves, despite the epithet, are deltoid to lanceolate, occasionally lobed.[3]
Synonyms
- Tithonia rotundifolia (Mill.) S.F. Blake, Contr. Gray Herb. 52: 41. 1917.
References
- ↑ Blake, Contributions of the Gray Herbarium 52: 41. 1917
- ↑ Hyde, Mark; et al. "Tithonia rotundifolia (Mill.) S.F. Blake". Flora of Zimbabwe. Retrieved 7 June 2016.
- ↑ Flora of North America, vol 21, p 39. 2006.
- ↑ Miller, Garden Dictionary ed. 8, Tagetes no. 4. 1768.
- ↑ Hooker, Botanical Magazine 61, t 3295. 1834.
- ↑ A.H.R. Griesbach. 1866. Catalogus plantarum cubensium.
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