Erechtites valerianifolius

Erechtites valerianifolius, common name tropical burnweed[2] is a New World species of plants in the sunflower family. It is native to Mexico, Central America, South America, and the West Indies.[3][4][5][6][7][8] It is also naturalized as a weed in much of the tropical Old World.[9]

Erechtites valerianifolius
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Tribe:
Senecioneae
Genus:
Erechtites
Species:
E. valerianifolius
Binomial name
Erechtites valerianifolius
(Link ex Spreng.) DC
Synonyms[1]
  • Senecio valerianaefolia Link ex Spreng.
  • Senecio valerianaefolius Link ex Spreng.
  • Senecio valerianifolius Link ex Spreng.
  • Crassocephalum valerianifolium (Link ex Spreng.) Less.

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.[9]

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References
  1. Tropicos, Erechtites valerianifolius (Link ex Spreng.) DC
  2. "Erechtites valerianifolius". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 21 June 2015.
  3. 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
  4. Jørgensen, P. M. & C. Ulloa Ulloa. 1994. Seed plants of the high Andes of Ecuador—A checklist. AAU Reports 34: 1–443.
  5. 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
  6. Molina Rosito, A. 1975. Enumeración de las plantas de Honduras. Ceiba 19(1): 1–118.
  7. 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.
  8. Tropicos, specimen listing for Erechtites valerianifolius (Link ex Spreng.) DC.
  9. Flora of China, 败酱叶菊芹 bai jiang ye ju qin 1838. Erechtites valerianifolius (Link ex Sprengel) Candolle, Prodr. 6: 295. 1838.


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