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Synonyms:
Type, Kind, Breed, Form, Category, Class, Subspecies, Version, Model, Sort, Brand, Make, Edition, Variant, Offshoot, Crossbreed, Mixture, Combination, Fusion, Amalgam, Ancestry, Heritage, Descent, Pedigree, Bloodline, Genealogy, Origin, Stock, Progeny, Offspring

A contraction of ‘cultivated variety,’ a variety of plant family that has been intentionally created or selectednot naturally occurring, and it is developed by various genetic breeding strategies.

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Merriam-Webster Online Dictionary
cultivar (noun)
an organism and especially one of an agricultural or horticultural variety or strain originating and persistent under - cultivation
Cultivar (Wikipedia)

A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated. Methods used to propagate cultivars include division, root and stem cuttings, offsets, grafting, tissue culture, or carefully controlled seed production. Most cultivars arise from deliberate human manipulation, but some originate from wild plants that have distinctive characteristics. Cultivar names are chosen according to rules of the International Code of Nomenclature for Cultivated Plants (ICNCP), and not all cultivated plants qualify as cultivars. Horticulturists generally believe the word cultivar was coined as a term meaning "cultivated variety".

Osteospermum 'Pink Whirls'
A cultivar selected for its brightly coloured flowers with unusual fluted petal structure

Popular ornamental plants like roses, camellias, daffodils, rhododendrons, and azaleas are commonly cultivars produced by breeding and selection or as sports, for floral colour or size, plant form, or other desirable characteristics. Similarly, the world's agricultural food crops are almost exclusively cultivars that have been selected for characters such as improved yield, flavour, and resistance to disease. Since the advent of genetic engineering in the 1970's and the rise of its application in crop breeding in the 1980's, very few wild plants are used as commercial food sources. Trees used in forestry are also special selections grown for their enhanced quality and yield of timber, for example American timber company Weyerhaeuser is the leading grower of genetically modified Douglas-fir trees, one of the most commonly harvested trees.

Cultivars form a major part of Liberty Hyde Bailey's broader group, the cultigen, which is defined as a plant whose origin or selection is primarily due to intentional human activity. A cultivar is not the same as a botanical variety, which is a taxonomic rank below subspecies, and there are differences in the rules for creating and using the names of botanical varieties and cultivars. Since the creation of the Plant Patent Act of 1930 the naming of cultivars has been complicated by the use of statutory patents for plants and recognition of plant breeders' rights.

The International Union for the Protection of New Varieties of Plants (UPOV – French: Union internationale pour la protection des obtentions végétales) offers legal protection of plant cultivars to persons or organisations that introduce new cultivars to commerce. UPOV requires that a cultivar be "distinct", "uniform", and "stable". To be "distinct", it must have characters that easily distinguish it from any other named cultivar. To be "uniform" and "stable", the cultivar must retain these characters in repeated propagation.

The naming of cultivars is an important aspect of cultivated plant taxonomy, and the correct naming of a cultivar is prescribed by the Rules and Recommendations of the International Code of Nomenclature for Cultivated Plants (ICNCP, often called the Cultivated Plant Code). A cultivar is given a cultivar name, which consists of the scientific Latin botanical name followed by a cultivar epithet. The cultivar epithet is usually in a vernacular language, and must be so for cultivars named after 1 January 1959.


Cultivar (Wiktionary)

English

Etymology

Blend of cultivated +‎ variety or cultigen +‎ variety. Coined by American botanist Liberty Hyde Bailey in 1923.

Pronunciation

  • IPA(key): /ˈkʌltɪvɑɹ/

Noun

cultivar (plural cultivars)

  1. A cultivated (not necessarily botanical) variety of a plant species or hybrid of two species. [from 1923]

Hypernyms

  • (cultivated variety of plant): cultigen, cultivar group, convariety

Derived terms

Translations

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