| 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] | |
| |
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 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]
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]
Caperonia is a genus of plants of the family Euphorbiaceae first described as a genus in 1825. The genus is native to tropical and subtropical America and Africa.
Angostylis is a genus of flowering plants in the family Euphorbiaceae, first described in 1854. The genus is native to northern South America.
Hura is a genus of trees in the family Euphorbiaceae described by Carl Linnaeus in 1753. It is native to South America, Mesoamerica, and the West Indies.
Micrandropsis is a plant genus of the family Euphorbiaceae first described as a genus in 1973. It contains only one known species, Micrandropsis scleroxylon, endemic to the State of Amazonas in northwestern Brazil.
Actinostemon is a plant genus of the family Euphorbiaceae first described as a genus in 1841. It is native to South America, Central America, and the West Indies.
Maprounea is a plant genus of the family Euphorbiaceae first named as a genus in 1775. It is native to tropical Africa, Trinidad, and tropical Central and South America.
Algernonia is a plant genus of the family Euphorbiaceae first described as a genus in 1858. It is native to Peru and Brazil.
Pseudanthus is a genus of plants under the family Picrodendraceae. The genus is endemic to Australia described as a genus in 1827.
Discocarpus is a genus of the plant family Phyllanthaceae first described as a genus in 1841. It is native to northern South America. It is dioecious, with male and female flowers on separate plants.
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..
In taxonomy, an undescribed taxon is a taxon that has been discovered, but not yet formally described and named. The various Nomenclature Codes specify the requirements for a new taxon to be validly described and named. Until such a description has been published, the taxon has no formal or official name, although a temporary, informal name is often used. A published scientific name may not fulfil the requirements of the Codes for various reasons. For example, if the taxon was not adequately described, its name is called a nomen nudum. It is possible for a taxon to be "undescribed" for an extensive period of time, even if unofficial descriptions are published.
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.
Chuquiraga is a genus of flowering plants in the family Asteraceae. The genus is distributed in the Andes from Colombia to Chile, with most species occurring in Patagonia.
Relchela is a genus of plants in the grass family. The only known species is Relchela panicoides, native to Chile and Argentina.
Hoehnea is a genus of plants in the family Lamiaceae, first described with this name in 1939. It is native to South America, primarily southern Brazil and Paraguay.
Morrenia is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1838. It is native to South America.
Peplonia is a group of plants in the family Apocynaceae first described as a genus in 1844. The entire genus is endemic to Brazil.
Buckollia is a genus of plants in the Apocynaceae, first described in 1994. It is native to eastern Africa.
Ormosia amazonica is a species of tree in the family Fabaceae native to the Amazon rainforest. It is naturally distributed in Brazil, Bolivia, Colombia, Costa Rica, Ecuador and Peru, in the Amazon Forest in Igarapó Forests. The species was first described by the Brazilian botanist of Austro-Hungarian origin Adolpho Ducke in 1922.
Condylocarpon isthmicum is a species of plant in the Apocynaceae family. It is native to Argentina, Brazil, Paraguay and Uruguay. José Mariano de Conceição Vellozo, the botanist who first formally described the species, named it after the narrow neck connecting the two sections of its fruit.
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