Previous Steps

• 1b – Alternate leaf arrangement on stem — go to 18
  • 18a – Leaf simple — go to 19
    • 19b – Thornless — go to 22
      • 22e – All leaves unlobed — go to 31
        • 31b – Leaf is round or heart-shaped — go to 35
          • 35a – Petiole is round —go to 36

Current Step

• 36a – Leaf margin entire all around.  Leaf is 3 inches long — Eastern Redbud

• 36b – Leaf margin is very finely serrate all around. Leaf is 3 inches long — Apricot

• 36c – Leaf margin is medium serrate. Leaf base is usually asymmetrical. Leaf is usually 3-6 inches long — Linden

Resources

• Identifying Broadleaf Flowering Trees and Shrubs, CMG GardenNotes #173
• List of trees in this key
• Glossary of Terms
• Front Range Tree Recommendation List
• Online CSU Extension publications on Tree and Shrub Selection