5 21 tree id

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5 21 tree id

  1. 1. Identification Key • A device (printed or computerized) to determine the identity of an unknown species. • Dichotomous keys have two possible answers to each question. • Multichotomous keys have many possible answers to each question • Can use for trees, weeds, & aquatic life
  2. 2. Leaf Id • Scales • Needles
  3. 3. Broad Leaf • Simple • Compound
  4. 4. Lobes • Palmate • Pinnate
  5. 5. Compound • Pinnate Compound • Palmate Compound
  6. 6. Leaf arrangement • Opposite • Alternate
  7. 7. Margins
  8. 8. Compound leaves • The leaf starts at the bud.
  9. 9. Try this leaf

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