Joannesia
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]
| Joannesia | |
|---|---|
 | |
| Joannesia princeps | |
Scientific 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[1] | |
| |
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]
- Joannesia heveoides Ducke - Amazonas State in Brazil
- 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]
- Joannesia insignis Pers. - Chuquiraga jussieui J.F.Gmel.[8]
References
- Kew World Checklist of Selected Plant Families
- 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.
- Tropicos, Joannesia Vell.
- 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 - 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.
- Persoon, Christiaan Hendrik. 1807. Synopsis Plantarum 2: 383 in Latin
- Tropicos, Joannesia Pers.
- The Plant List, synonym list for Chuquiraga jussieui J.F.Gmel.
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