Joannesia
| Joannesia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Malpighiales |
| Family: | Euphorbiaceae |
| Subfamily: | Crotonoideae |
| 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]
- 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.[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]
- Joannesia insignis Pers. - Chuquiraga jussieui J.F.Gmel.[7]
References
- 1 2 3 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 http://floradobrasil.jbrj.gov.br/2010. Jardim Botânico do Rio de Janeiro, Rio de Janeiro
- ↑ 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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