Joannesia

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Joannesia
Joannesia princeps - Jardim Botanico de Brasilia - DSC09714.JPG
Joannesia princeps
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Subfamily: Crotonoideae
Tribe: Jatropheae
Genus: Joannesia
Vell. 1798 not Pers. 1807 (Asteraceae)
Synonyms [1]
  • AndaA.Juss.
  • AndicusVell.
  • AndiscusVell.

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]

Contents

Etymology

Joannesia is a taxonomic patronym honoring the king John VI of Portugal. [5]

The name Joannesia yielded a taxonomic anagram for the confamilial genus Annesijoa . [5]

Systematics

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. [6] 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: [7]

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In biological nomenclature, a nomen novum, new replacement name is a scientific name that is created specifically to replace another scientific name, but only when this other name cannot be used for technical, nomenclatural reasons. It does not apply when a name is changed for taxonomic reasons. It is frequently abbreviated, e.g.nomen nov., nom. nov..

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José Mariano de Conceição Vellozo (1742–1811) was a Colonial Brazilian botanist who catalogued specimens, for example: Cedrela fissilis Vell. in Florae Fluminensis. He was born in Tiradentes, formerly called São José do Rio das Mortes, state of Minas Gerais; and died in Rio de Janeiro, state of Rio de Janeiro. While at the University of Coimbra in Portugal in the 1790s he worked with Martim Francisco Ribeiro de Andrada in translating works on mineralogy and agriculture. The standard author abbreviation Vell. is used to indicate this person as the author when citing a botanical name.

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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.{{cite web}}: CS1 maint: archived copy as title (link). Jardim Botânico do Rio de Janeiro, Rio de Janeiro
  5. 1 2 Burkhardt, Lotte (2018-06-06). Verzeichnis eponymischer Pflanzennamen - Erweiterte Edition. Index of Eponymic Plant Names - Extended Edition. Index de Noms éponymiques des Plantes - Édition augmentée (in German). Botanic Garden and Botanical Museum Berlin, Freie Universität Berlin. p. A13. doi:10.3372/epolist2018. ISBN   978-3-946292-26-5. S2CID   187926901.
  6. Persoon, Christiaan Hendrik. 1807. Synopsis Plantarum 2: 383 in Latin
  7. Tropicos, Joannesia Pers.
  8. The Plant List, synonym list for Chuquiraga jussieui J.F.Gmel.