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Manual of cultivated plants and hortus second
These man-made or anthropogenic plants are, for the hortus most part, plants with commercial value used in plants horticulture, agriculture or forestry.
Various cultigens, and plants transfers in nomenclature.
See also edit References edit McNeill,.; Barrie,.R.; Buck,.R.; Demoulin,.; Greuter,.; Hawksworth,.L.; Herendeen,.S.; Knapp,.; Marhold,.; Prado,.; Prud'homme Van Reine,.F.; Smith,.F.; Wiersema,.H.; Turland,.J.
ISBootnotes edit The category grex was added in the 2009 Cultivated Plant Code and applies only to orchids (Article 4).If the cross in cultivation is followed by deliberate selection and naming then this will indicate a cultigen.Although in his 1923 paper Bailey used only the rank of hortus species for the cultigen, it was clear to him second that hortus many domesticated plants were more cultivated like botanical varieties than species and so he established a new classification category for these, the cultivar.One example is the definition given in the Botanical Glossary of cultivated The New Royal Horticultural Society Dictionary of Gardening 13 which defines cultigen as: " A plant found only in cultivation or in the wild having escaped from cultivation; included here are many hybrids and.In 1923 6 Bailey extended his original discussion emphasising that he was dealing with plants at the rank of species and he referred to indigens as: " those that are discovered in the wild " and cultigens as plants that: " arise in some way.Julia Fields, cognizant of his learning skills, challenged him by suggesting that he was growing up blind.4 Origin of term edit Liberty Hyde Bailey 18581954, who coined the word cultigen in 1918 The word cultigen was coined in 1918 5 by Liberty Hyde Bailey (18581954) an American horticulturist, botanist and cofounder of the American Society for Horticultural Science.Hortus Second in 1941 and Hortus Third in 1976 8 9 both of these publications indicate that the terms cultigen and cultivar are not synonymous and that cultigens exist at the rank of species only." A cultigen is a plant or group of apparent specific rank, known only in cultivation, with no determined nativity, presumably having originated, in the form in which we know it, under domestication.Language(s English, published: New York : Macmillan, 1977, c1976.
These occurrences are very second few.
The icncp does not recognize the use of plants trade designations and other marketing devices as scientifically acceptable names, but does provide advice fury on how they should be presented.
Note: second artificial selection is a part of the overall selection process it does not imply that humans are not part of nature, user it is simply useful sometimes to hortus distinguish hortus when there has been human influence on selection (as with cultigens).Plants, Cultivated Plants, Cultivated / North America Plants, Cultivated / North America / Dictionaries.Usage in botany edit In botanical literature the word cultigen is generally used to denote a plant which, like the bread wheat ( Triticum aestivum ) is of unknown origin, but presumed to be an ancient human selection." a race subordinate to species, that has originated and persisted under cultivation; it is not necessarily, however, referable to a recognised botanical species.A domesticated group of which the origin may be unknown or indefinite, which has such characters as to separate it from known indigens, and which is probably not represented by any type specimen or exact description, having therefore no clear taxonomic beginning." plants He called this.The indigen and cultigen.The other kind was: ".What exactly does deliberately selected mean?These he referred to as indigens.For example, when Bailey found a copy of Darwin's.