Thorns on branches

Long smooth sharp thorns on younger branches. Leaves vary from tree to tree (simple or lobed with teeth on edge.) Bark brown and scaly when old. Fruit is small and applelike. -- Hawthorn

Thorns rough and short. Leaves vary from tree to tree. Fruit is a small irregular apple. -- Crabapple

Start Over

All Trees
- Tree having broad leaves.
  - Leaves simple.
    - Leaves and branches alternately arranged.
      - Thorns on branches.

ostermiller.org (site index)

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.