Introduction to Leaf Identification Introduction to Leaf Identification Types of Leaves
Please get out your noteboks and turn to a NEW page of notes Please get out your noteboks and turn to a NEW page of notes
Take out your “Layers of the Forest” notes sheet In the top left hand corner answer the following questions: What direction will you use the compass to find when setting up your quadrant? What color stake will you use for the sides of your quadrant (cardinal directions) What color stake will you use for the corners? What are the dimensions of your quadrant? How long is the rope? What is the name of the method used to mark your first corner stake?
Forest layers
Canopy
What is it like in the canopy? Sun? Wind? Temp?
Canopy Tallest trees Tops of trees form a ceiling 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 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) 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 Forest Floor Dark Covered in a layer of leaves, twigs, and dead plants Decayed leaves provide nutrients to soil Alive with invertebrates and microorganisms
Simple Leaf
Simple Leaf
Alternate vs Opposite (we are using the LEAF STALK…it is green)
Alternate or Opposite Leaves Alternate or Opposite Leaves
Compound leaf What is this? What is this?
Compound Leaf
Compound leaves
Leaf Margins (edges) Smooth
Serrated = with teeth
Equilateral
Lobed (multiple sections)
Oak Shaped Rounded Lobed Pointed Lobed
For each of the following…. Partner up with the person next to you… Make sure you are quiet so other groups can’t hear your answers. You are competing against your classmates. Write down all of the characteristics you can about the leaf on a sheet of paper Then I will have 1 rep for each group stand up and stay standing as long as they get the characteristics right. Look at your notes sheet for ONLY THE FIRST 2
Take out a piece of paper and classify this leaf using the vocabulary you learned on Friday. Use as many words as possible Take out your permission slip if you did not hand it in Yes, we are going outside!