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Understanding Leaf Characteristics: American Elm, Black Walnut, Sycamore, Juniper, White Oak, Willow Poison, Ivy

Explore key features of various tree leaves including vein patterns, margins, shapes, and bases to identify American Elm, Black Walnut, Sycamore, Juniper, White Oak, Willow Poison, and Ivy.

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Understanding Leaf Characteristics: American Elm, Black Walnut, Sycamore, Juniper, White Oak, Willow Poison, Ivy

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  1. Leaves flat with veins------7 • Leaf simple-----8 • Venation (veins) pinnate----9 • Leave margin saw toothed or lobed—11 • Leaf margin saw toothed---12 • Leaf margin doubly saw toothed---14 • Leaf margin double serrate, shape ovate, leaf base uneven----AMERICAN ELM

  2. Leaves flat with veins-----7 • Leaf compound------ 20 • Leaflets pinnate-----21 • Leaflets ovate, serrated---BLACK WALNUT

  3. Leaves flat with veins----7 • Leaf Simple----8 • Veins palmate---18 • Three veins, leaf margin cleft lobed---SYCAMORE

  4. Leaves needle like or scale like---2 • Scale like---3 • Scales, usually scratchy---JUNIPER

  5. Leaves flat with veins----7 • Simple----8 • Venation (veins) pinnate---9 • Leaf margin saw toothed or lobed---11 • Leaf margin lobed---15 • Leaf margin round lobed---WHITE OAK

  6. Leaves flat with veins---7 • Leaf simple---8 • Venation (veins) pinnate---9 • Leaf margin eniter---10 • Leaf shape elliptical---WILLOW

  7. POISON OAK POISON IVY STAY AWAY FROM

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