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Plant Taxonomy

Plant Taxonomy. How Plants are Named!. Introduction . Most plants have more than one common name, some have several Boston Fern and Sword Fern Two different plants may have the same name but may exist in different areas Cowslip in NY vs Cowslip in England. Binomial System of Naming Plants.

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Plant Taxonomy

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  1. Plant Taxonomy How Plants are Named!

  2. Introduction • Most plants have more than one common name, some have several • Boston Fern and Sword Fern • Two different plants may have the same name but may exist in different areas • Cowslip in NY vs Cowslip in England

  3. Binomial System of Naming Plants • Early scholars wrote in Latin or Greek so they gave plants Latin or Greek describing names • They were too long or complicated • Dianthus floribussolitariis, squamiscalycinissubovatisbrevissimis, corollis, crenatis= common carnation

  4. Swedish botanist, CarolusLinaeus simplified this by forming the binomial system (means two name system) • He gave all plants 2 latin names • Catnip= Nepetacataria • GenusSpecies • All plants belonging to same genus have similar characteristics • All plants with same specific name belong to same species (in Latin means “kind”) • Species are also divided into varieties as well

  5. Varieties in a species are similar but will always have one or two differences that are consistent and inherited • Cultivars are “cultivated varieties”or one that is developed for a purpose • The generic name is a noun and the species name is an adjective • BetulaluteaJuglansnigraQuercusrubra • birch yellow walnut black oak ruby

  6. Sometimes the specific names gives geographical information about where a plant occurs • Anemone virginiana= Virginian Anemone • Macro and Micro are greek words meaning large and small and are often used • Macrophylla= large leaves, microphylla= small leaves

  7. When meanings of scientific names are understood, names are interesting and not difficult to learn • This is a universal language so all places use the same names for plants • Common names are misleading, the scientific name never is

  8. Plant Families • Related genera (plural genus) with similar flower structures are grouped together in families • All members in each family will have similar flower structures Simple flower Tube flower Composite flower

  9. Taxonomy Chart • Shows the hierarch of botanical nomenclature • Kingdom • Division or Phylum • Class • Order • Family • Genus • Species • Variety or cultivar

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