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Scientific Classification ofPlants
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Taxonomy
The science of classifying andidentifying plants
Scientific names are used becausethe same common name is usedfor different plants in different
areas of the world.
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Karl von Linne
Swedish botanist thatdeveloped the binomialsystem of naming plants
using two Latin words toindicate the genus andspecies.
Linne changed his name tothe Latin name CarolusLinneaus.
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Scientific Names
Latin is the language used forscientific classification.
The first word is the genus and thesecond word is the species. Ifthere are additional words, they
indicate a variety or cultivar.
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Genus vs. Species
Plants in the same genus havesimilar characteristics.
Plants in the same speciesconsistently produce plants of thesame type.
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Scientific
Classification The broadest category of scientific
classification is the ingdom!!
either plant or animal. The broadest category in the plant
"ingdom is division or phylum.
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Divisions
The four most important divisionsof the plant #Plantae$ "ingdom
are%&Thallophites% algae, fungi, and lichens
&'ryophytes% mosses
&Pteridophytes% ferns&Spermatophytes
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Thallophytes
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Bryophytes
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Pteriophytes
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Spermatophytes
Contains flowering or seed!bearingplants
Two subdivisions are%
&(ymnosperms% Seeds are not in anovary they are in a cone.
&)ngiosperms% Seeds are enclosed inan ovary #fruit$, therefore floweringplants
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Gymnosperms
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Aniosperms
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Aniosperms
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Common Plant Genus
Pinus!Pine
)cer!*aple
Ile+!olly
-icus!fig
Cornus!dogwood
hododendron!rhododendron
/uercus!oa"
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Diversity!
The Spice
of Life