Joannesia

Joannesia
Joannesia princeps
Scientific classification Edit this classification
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
  • Anda A.Juss.
  • Andicus Vell.
  • Andiscus Vell.

Joannesia is a genus of plants in the family Euphorbiaceae, first described as a genus in 1798. The entire genus is endemic to Brazil.

Etymology

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

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

Systematics

Species
  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. 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:

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.