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Winter Tree Identification

Winter Tree Identification. Evergreens (Conifers). Leaves are needles or scalelike Leaves stay on Tree year round Fruit is a cone Sap has “antifreeze”. Deciduous. Leaves are flat with veins Leaves fall off tree in autumn Fruits vary. How to Identify Conifers. Are leaves needle or scalelike?

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Winter Tree Identification

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  1. Winter Tree Identification

  2. Evergreens (Conifers) Leaves are needles or scalelikeLeaves stay on Tree year roundFruit is a coneSap has “antifreeze” Deciduous Leaves are flat with veinsLeaves fall off tree in autumnFruits vary

  3. How to Identify Conifers • Are leaves needle or scalelike? • Are needles in a bundle or do they grow singly? • How many needles are in a bundle? • Do leaves fall off in autumn?

  4. Scalelike Leaves Eastern red cedar Northern white cedar

  5. Needles in Bundles Jack Pine Eastern White Pine

  6. Single Needles Colorado blue spruce

  7. Leaf Arrangement in Deciduous Trees Opposite Leaves Alternate Leaves Whorled Leaves

  8. Trees with Opposite Leaves MAD Horse Buck (and Viburnum) Maple Ash Dogwood Horse Chestnut Buckeye Viburnum

  9. Trees with Alternate Leaves Everything else… Oak Beech Hickory Aspen Elm Hackberry Etc….

  10. Simple vs. Compound

  11. Twig Anatomy

  12. Maple (Acer sp.) Twigs/Buds Sugar Maple Silver Maple

  13. Maple (Acer sp.) Bark Sugar Maple Silver Maple

  14. Ash (Fraxinus sp.) Twigs Black Ash White Ash Green Ash

  15. Ash (Fraxinus sp.) Bark White Ash Green Ash

  16. Ohio Buckeye (Aesculus glabra) Peanut Butter Colored Large Bud Hexagonal Pith Opposite Leaf Scars Light Gray Bark

  17. Black Walnut (Juglans nigra) Fruit Chambered Pith Bud and Leaf Scar (Monkey Face)

  18. Birches (Betula sp.) Mature bark of River Birch Bark of Paper Birch Young bark of River Birch

  19. Hickories (Carya sp.) Shagbark Hickory Bitternut (or Yellow-bud) Hickory

  20. Catalpa (Catalpa speciosa) Whorled Leaf Scars Bark Fruit

  21. Hackberry (Celtis occidentalis) Bud – Hairy Pseudoterminal Bud Angled Warty Bark in Young Trees

  22. American Beech (Fagus grandifolia) Spiky Fruit Smooth, Silvery Bark Bud – Long, Narrow Cigar

  23. Sycamore (Platanus occidentalis) Fruit Bud – One Scale Distinctive Flaky Bark

  24. Cottonwood (Populus deltoides) Blocky Bark Bud – Imbricate Scales, Shiny and Large

  25. Basswood (Tilia americana) Bud – Smiling Shark Mature Bark – Deep Fissures Young Bark – Smooth

  26. Black Locust (Robinia pseudoacacia) Paired Thorns on Twig Bark – Deep Fissures

  27. Oaks (Quercus sp.) White Oak Red Oak

  28. Black Cherry (Prunus serotina) Young Bark (horizontal lenticels) Mature Bark

  29. Field Guides and Resources Trees of Wisconsin website http://www.uwgb.edu/biodiversity/herbarium/trees/tree_intro01.htm

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