Joannesia

Joannesia
Scientific classification
Kingdom:Plantae
Clade:Angiosperms
Clade:Eudicots
Clade:Rosids
Order:Malpighiales
Family:Euphorbiaceae
Tribe:Jatropheae
Genus:Joannesia
Vell. 1798 not Pers. 1807 (Asteraceae)
Synonyms[1]

Joannesia is a genus of plants in the family Euphorbiaceae, first described as a genus in 1798.[2][3] The entire genus is endemic to Brazil.[1][4]

Species[1]
  1. Joannesia heveoides Ducke - Amazonas State in Brazil
  2. Joannesia princeps Vell. - eastern Brazil (Distrito Federal, Espírito Santo, Minas Gerais, Rio de Janeiro)
species in homonymic genus

In 1807, Persoon used the same name, Joannesia, to a very different plant.[5] He thus created an illegitimate homonym, contrary to the rules of nomenclature. So the one species name that he had created in this illegitimate genus had to be renamed, as follows:[6]

References

  1. 1 2 3 Kew World Checklist of Selected Plant Families
  2. ↑ Vellozo, José Mariano da Conceição. 1798. Alographia dos alkalis fixos: vegetal ou potassa, mineral ou soda e dos sus nitratos: segundo as melhores memorias estrangeiras, que se tem escripto a este asumpto 199.
  3. ↑ Tropicos, Joannesia Vell.
  4. ↑ Forzza, R. C. 2010. Lista de espécies Flora do Brasil "Archived copy". Archived from the original on 2015-09-06. Retrieved 2015-08-20. . Jardim Botânico do Rio de Janeiro, Rio de Janeiro
  5. ↑ Persoon, Christiaan Hendrik. 1807. Synopsis Plantarum 2: 383 in Latin
  6. ↑ Tropicos, Joannesia Pers.
  7. ↑ The Plant List, synonym list for Chuquiraga jussieui J.F.Gmel.


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