| Erechtites valerianifolius | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Erechtites |
| Species: | E. valerianifolius |
| Binomial name | |
| Erechtites valerianifolius (Link ex Spreng.) DC | |
| Synonyms | |
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Erechtites valerianifolius, common name tropical burnweed is a New World species of plants in the sunflower family. It is native to Mexico, Central America, South America, and the West Indies. It is also naturalized as a weed in much of the tropical Old World.
Description
Erechtites valerianifolius is an annual herb up to 100 cm (40 inches) tall. Leaves have long petioles with narrow wings along the sides, bearing oblong or elliptical blades with many pinnate lobes. One plant can produce many yellow or purple flower heads, each with both disc florets and ray florets.
References
- Tropicos, Erechtites valerianifolius (Link ex Spreng.) DC
- NRCS. "Erechtites valerianifolius". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 21 June 2015.
- Jørgensen, P. M., M. H. Nee & S. G. Beck. (eds.) 2014. Catálogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden 127(1–2): i–viii, 1–1744
- Jørgensen, P. M. & C. Ulloa Ulloa. 1994. Seed plants of the high Andes of Ecuador—A checklist. AAU Reports 34: 1–443.
- Berendsohn, W.G. & A.E. Araniva de González. 1989. Listado básico de la Flora Salvadorensis: Dicotyledonae, Sympetalae (pro parte): Labiatae, Bignoniaceae, Acanthaceae, Pedaliaceae, Martyniaceae, Gesneriaceae, Compositae. Cuscatlania 1(3): 290–1–290–13
- Molina Rosito, A. 1975. Enumeración de las plantas de Honduras. Ceiba 19(1): 1–118.
- Carnevali, G., J. L. Tapia-Muñoz, R. Duno de Stefano & I. M. Ramírez Morillo. 2010. Flora Ilustrada de la Peninsula Yucatán: Listado Florístico 1–326.
- Tropicos, specimen listing for Erechtites valerianifolius (Link ex Spreng.) DC.
- ^ Flora of China, 败酱叶菊芹 bai jiang ye ju qin 1838. Erechtites valerianifolius (Link ex Sprengel) Candolle, Prodr. 6: 295. 1838.
External links
- photo of herbarium specimen at Missouri Botanical Garden in St. Louis, collected in Honduras in 1970
- photo taken by Alfredo F. Fuentes showing close-up of flower heads of Erechtites valerianifolius
- Flora de Santa Catarina (Brazil), Erechtites valerianifolius (Capiçova) Archived 2015-01-03 at the Wayback Machine in Portuguese with photos
- Useful Tropical Plants, Erechtites valerianifolius Images photos
| Taxon identifiers | |
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| Erechtites valerianifolius |
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| Senecio valerianifolius | |
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