Information about Form (botany)
In botanical nomenclature, a form (forma) is a taxon at a rank below that of variety; it is an infraspecific taxon. Its name consists of three parts: a genus name, a specific epithet, and an infraspecific epithet. The abbreviation "f." or the full "forma" should be put before the infraspecific epithet to indicate the rank.
For example, a cactus:
Note:
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For example, a cactus:
- Acanthocalycium spiniflorum f. klimpelianum or
- Acanthocalycium spiniflorum forma klimpelianum (Weidlich & Werderm.) Donald
Note:
- In zoological nomenclature, the only officially-regulated rank below that of species is that of subspecies. Forms and morphs are used instead of varieties if needed, but are unregulated by the ICZN.
See also
- Form (zoology)
- Trinomial nomenclature
- Variety (botany)
- Subvariety
- Variety (plant)
- Cultivar
- Hybrid
- Race (biology)
Botanical nomenclature is the formal naming of plants, from a scientific point of view. It has a long history, going back perhaps to Theophrastos, but anyway back to the period when Latin was the scientific language throughout Europe.
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For the journal, see .
A taxon (plural taxa), or taxonomic unit, is a name designating an organism or group of organisms. A taxon is assigned a rank and can be placed at a particular level in a systematic hierarchy reflecting evolutionary..... Click the link for more information.
In botanical nomenclature, variety is a rank below that of species: As such, it gets a ternary name (a name in three parts).
A variety will have an appearance distinct from other varieties, but will hybridize freely with those other varieties (if brought into contact).
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A variety will have an appearance distinct from other varieties, but will hybridize freely with those other varieties (if brought into contact).
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genus (plural: genera) is part of the Latinized name for an organism. It is a name which reflects the classification of the organism by grouping it with other closely similar organisms.
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In zoological nomenclature, a specific name or specific epithet is the second part (second name) in the name of a species (a binomen). The first part is the name of the genus.
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An epithet (Greek — επιθετον and Latin — epitheton; literally meaning 'imposed') is a descriptive word or phrase that has become a fixed formula.
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The International Code of Zoological Nomenclature is a set of rules in zoology that have one fundamental aim: to provide the maximum universality and continuity in the naming of all animals according to taxonomic judgment.
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Forma (literally Latin for form) is used in a series of terms and abbreviations to describe variation in animals, especially insects. The terms or abbreviations are appended to the binomen or trinomen.
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Polymorphism in biology occurs when two or more clearly different types exist in the same population of the same species— in other words, the occurrence of more than one form or morph. The caste system in ants is an example.
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Forma (literally Latin for form) is used in a series of terms and abbreviations to describe variation in animals, especially insects. The terms or abbreviations are appended to the binomen or trinomen.
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In biology, trinomial nomenclature refers to names for taxa below the rank of species. This is different for animals and plants:
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- for animals see trinomen. There is only one rank allowed below the rank of species: subspecies.
- for plants see ternary name.
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In botanical nomenclature, variety is a rank below that of species: As such, it gets a ternary name (a name in three parts).
A variety will have an appearance distinct from other varieties, but will hybridize freely with those other varieties (if brought into contact).
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A variety will have an appearance distinct from other varieties, but will hybridize freely with those other varieties (if brought into contact).
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subvariety (subvarietas) is a taxon at a rank below that of variety (varietas) but above that of form (forma): it is an infraspecific taxon. Its name consists of three parts: a genus name, a specific epithet and an infraspecific epithet.
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A "plant variety" is a legal term, following the UPOV Convention. Recognition of a cultivated plant as a "variety" (in this sense) provides its breeder with some legal protection, so-called plant breeders' rights, depending to some extent on the internal legislation of the
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cultivar is a cultivated plant that has been selected and given a unique name because it has desirable characteristics (decorative or useful) that distinguish it from otherwise similar plants of the same species. When propagated it retains those characteristics.
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hybrid has two meanings.[1]
The first meaning is the result of interbreeding between two animals or plants of different taxa. Hybrids between different species within the same genus are sometimes known as interspecific hybrids or crosses.
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The first meaning is the result of interbreeding between two animals or plants of different taxa. Hybrids between different species within the same genus are sometimes known as interspecific hybrids or crosses.
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race is any inbreeding group, including taxonomic subgroups such as subspecies, taxonomically subordinate to a species and superordinate to a subrace and marked by a pre-determined profile of latent factors of hereditary traits.
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