Introduction to Leaf Identification
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Transcript Introduction to Leaf Identification
Types of Leaves
Forest layers
Canopy
Canopy
Tallest trees
Tops of trees form a ceiling
Treetops stop a lot of the light
Protects the soil from erosion
Understory
Understory
Smaller trees with thin
trunks
Stop just below canopy
Wait for a gap to grow into
canopy
Shrub Layer
Shrub Layer
Small shrubs (woody stems
but small)
Grow between the smaller
trees
Forest Floor
Forest Floor
Dark
Covered in a layer of leaves, twigs, and
dead plants
Decayed leaves provide nutrients to soil
Alive with invertebrates and
microorganisms
Alternate or Opposite Leaves
Simple Leaf
Simple Leaf
Compound leaf
Compound Leaf
Compound leaves
Leaf Margins (edges)
Smooth
Serrated = with teeth