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Key to Identifying Common Colorado Landscape Trees – 30

Previous Steps

1b – Alternate leaf arrangement on stem — go to 18
- 18a – Leaf simple — go to 19
  - 19b – Thornless — go to 22
    - 22d – All leaves lobed — go to 23
      - 23b – Palmate ventation — go to 30

Current Step

30a – Leaves whitish beneath. Petiole flat — White Poplar

30b – Leaves pale green beneath. Petiole round and hollow where attaches to stem — American Sycamore

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Colorado State Extension Master Gardeners work to enhance Coloradans’ quality of life by extending knowledge-based education to local communities, helping individuals make informed decisions about plants and fostering successful gardeners while protecting neighborhood environments.

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Colorado State University

Extension

Key to Identifying Common Colorado Landscape Trees – 30

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