Plant Taxonomy:

1
Plant Taxonomy

• How Plants Are Named
• Unit 2

2
Binomial System of Naming Plants

• Originally they were given Latin and Greek names,
  however this caused very long names
• Swedish botanist Linnaeus
• Simplified the classification into a binomial
  system
• 2 name system---hence BInomial

3
Binomial

• The first name is the generic name
• All plants having the same generic name are in
  the same genus
• noun
• The second name is the specific name
• All plants with the same specific name belong to
  the same species
• Adjective (because it gives information about the
  plant

4
Species

• Plants of the same species have the same
  characteristics and will consistently produce
  plants of the same types.
• TODAYspecies are subdivided into varieties
• One variety of a species resembles that of
  another variety, but there are always subtle
  differences

5
Cultivar

• Means cultivated variety

6
Plant Families

• Genera (plural of genus)
• Related genera with similar flower structures are
  grouped into major units called families

7
Expressing Scientific Names

• When Latin names are printed they are in italics.
• Order they are written
• Genus, species, cultivar
• Genus is always with a capital letter
• Species is always with a lower case letter
• Cultivar is preceded by cv or the name is in
  (single quotes)

8
Taxonomist

• Scientist who identify and classify plants are
  known as taxonomists

9
Taxonomy Chart hierarchy of specification

• KingdomPlant
• Division or Phylum Spermatophyta (seed plants)
• Class Angiospermae (seeds in fruit)
• Order Acerales
• Family Aceraceate
• Genus Acer
• Species rubrum
• Variety or cultivar
  var October Glory