Tree Identification - PowerPoint

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Tree Identification - PowerPoint Powered By Docstoc
					       Introduction To

Tree Identification
 How to Identify Trees in the Field
Different Characteristics of Trees
   Leaf Shape and Margin
   Leaf Position
   Bark Characteristics
   Twig Properties
   Fruiting Bodies
   Types of Buds
   Tree Shape
   Growth Pattern
              Leaf Type
Simple Leaf      Compound Leaves
             Leaf Shapes
          Some examples include:

Deltoid     Lance-shaped      Heart-shaped
                 Leaf Position
   Opposite – Leaves and twigs grow directly apart
    from each other on branches
   Alternate – Leaves and twigs grow on branch in an
    alternating manner
Alternate or Opposite?
Alternate or Opposite?
Alternate or Opposite?
      Opposite Trees of Michigan
Only four major native trees in Southern Michigan
                that are opposite

               MAD Horse
   Maples
   Ashes
   Dogwoods
   Horse Chestnut
    And two minor opposite species
   Ohio Buckeye
   Northern Catalpa

Eye C or I see or BuckCat
Maples and Ashes
       Ash Leaf Scars
Green Ash         White Ash
Alternate Broad-leafed Trees
    Native to Southern Michigan:
          Everything Left
              Aspen
               Oak

             Hickory

               Elm

             Willow

             Etc........
      Conifers aka Evergreens
“All pines are conifers, but not all conifers are pines”
                       Pines
   Largest genus of trees in the cone-bearing family
   All pines contain needles in clusters of 2 to 5
                    Spruce
   Spruces have tall gradually tapering trunks
   Four sides, sharp individual needles
   Form compact pyramidal or conical crowns
                        Firs
   Firs also have generally tapering trunks
   Needles are flattened, soft, and flexible
   Often “crowd” towards top of branch

				
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posted:11/4/2012
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