By David Gledhill
The Names of crops is a useful reference for botanists and horticulturalists. the 1st part supplies an historic account of the numerous alterations within the ways in which vegetation were identified and named. It records the issues linked to an ever-increasing variety of universal names of crops, and the answer of those difficulties during the creation of foreign Codes for either botanical and horticultural nomenclature. It additionally outlines the principles to be whilst plant breeders identify a brand new species or cultivar. the second one part includes a thesaurus of standard and particular plant names, and elements of those, from which the reader may possibly interpret the prevailing names of crops and build new names. With motives of the overseas Codes for either Botanical Nomenclature (2000) and Nomenclature for Cultivated vegetation (1995), this new version encompasses a vastly extended thesaurus, inclusive of the Greek, Latin, or different resource of every plant identify.
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Extra info for The Names of Plants
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29 Glossary This glossary is for use in finding the meanings of the names of plants. There are many plant names which cannot be interpreted or which yield very uninformative translations. Authors have not always used specific epithets with a single, narrow meaning, so there is a degree of latitude in the translation of many epithets. Equally, the spelling of epithets has not remained constant, for example in the case of geographic names. The variants, from one species to another, are all correct if they were published in accordance with the Code.
Categories below the rank of species The subdivision of a species group is based upon a concept of infraspecific variation which assumes that, in nature, evolutionary changes are progressive fragmentations of the parent species. Put in another way, a species, or any taxon of lower rank, is a closed grouping whose limits embrace all their lower-ranked variants (subordinate taxa). It will be seen later that a different concept underlies the naming of cultivated plants which does not make such an assumption but recognizes the possibility that cultivars may straddle species, or other, boundaries or overlap each other, or be totally contained, one by another.
Retention of the epithet ‘hybrida’, and the indication of Linnaeus being its author (in brackets) shows the benefit of this system in constructing names with historic meanings. Hybrids Hybrids are particularly important as cultivated plants but are also a feature of many plant groups in the wild, especially woody perennials such as willows. The rules for the names and naming of hybrids are contained in the Botanical Code but are equally applicable to cultivated plant hybrids. For the name of a hybrid between parents from two different genera, a name can be constructed from the two generic names, in part or in entirety (but not both in their entirety) as a condensed formula; ϫMahoberberis is the name for hybrids between the genera Mahonia and Berberis (in this case the cross is only bigeneric when Mahonia, a name conserved against Berberis, is treated as a distinct genus) and ϫFatshedera is the name for hybrids between the genera Fatsia and Hedera.