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Key to Identifying Common Colorado Landscape Trees – 4

Previous Steps

1a – Opposite leaf arrangement on stem — go to 2
- 2a – Leaf simple — go to 3
  - 3a – Leaves are lobed — go to 4

Current Step

4a – Milky sap is visible when fresh petiole is broken at base of leafstalk — go to Norway Maple

4b – No milky sap — go to 5

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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 – 4

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