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International Code of Nomenclature for Cultivated Plants – Wikipedia

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**History and Evolution:**
– First edition in 1952, subsequent editions in 1958, 1961, 1969, 1980, 1995, 2004, 2009, and ninth edition in 2016.
– Initially edited by William Stearn, mirroring the Botanical Code with Principles, Rules, and Recommendations.
– Amendments made over time to adapt to changes in horticultural practices.
– Regular revisions to ensure relevance and encompass new plant species.
– International collaboration drives the evolution of the code.

**Naming Examples and Trade Designations:**
– Examples like Clematis alpina Ruby, Magnolia Elizabeth, Rhododendron boothii Mishmiense Group, Paphiopedilum Maudiae The Queen, and Apple Jonathan.
– Trade designations not regulated by ICNCP, must be unique and distinguished from cultivar names.
– Typographical distinctions used to separate trade designations.
– Different countries may have different trade designations for the same cultivar.

**Significance and Implementation:**
– Ensures consistency in naming practices and facilitates communication among horticulturists.
– Helps avoid confusion in plant identification and is recognized internationally by horticultural societies.
– Guidelines for naming new cultivated plant varieties.
– Presented at the Royal Horticultural Society and discussed at various horticultural congresses.
– Endorsed by different horticultural societies and analyzed in publications like Acta Horticulturae and Arnoldia.

**Challenges and Future Directions:**
– Adapting to advancements in plant breeding and addressing issues of genetic modification.
– Ensuring inclusivity of all plant varieties and resolving conflicts in naming conventions.
– Embracing technological innovations for naming plants.

**Related Concepts:**
Cultigen and cultivated plant taxonomy.
– International Code of Nomenclature for algae, fungi, and plants.
– International Cultivar Registration Authority.
– Distinction between fancy names for cultivated plants and Latin species names.
– Modern style of italicizing species names and using quotes for cultivar names.

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