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Linneon

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Linneon 

the term proposed by the Dutch botanist H. De Friese for macrospecies, a relatively large taxonomic unit consisting of a set of related forms and transitively related forms. It was named by De Friese in honor of C. Linnaeus. A linneon is the opposite of a jordanon, which De Friese, J. Lotsy, and other botanists regarded as a “true species.” These botanists considered a species to be a hereditarily fixed taxonomic unit. According to N. I. Vavilov, a linneon is a complex, mobile, isolated morphological system whose origin is tied to a certain environment and area; its intraspecific hereditary variability obeys the law of homologous series. The terms “linneon” and “jordanon” are rarely used.



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