No thorns on branches

Three types of leaf on tree: 3-lobed, no lobes, and a mitten-shaped leaf. No teeth on edge of leaf.Sassafras

All Trees
- Tree having broad leaves.
  - Leaves simple.
    - Leaves and branches alternately arranged.
      - No thorns on branches.

This key was developed by "bt" in June 1982. It was put into HTML format by Stephen Ostermiller in July 1997. Copies of the entire guide in zip format that may be taken to camp on a laptop are available to those who write.