Leaf & Tree Classification Guide Leaf Margins: Smooth Double serrated Fine-toothed Coarse-toothed (finely serrated) (serrated) Wavy (undulate) Lobed General Leaf Classification: Simple Leaves Compound Leaves Double Compound Leaf Needle Leaf: (one leaf per petiole) (more than one blade on a (more than one compound petiole) leaf per side of stem) Leaf Arrangement: Opposite Alternate Whorled Basal Seeds & Cones: Maple seed pod Birch seed Pine cone Spruce cone Fir cone Leaf Shape: Linear Elliptical Oval Ovate Cordate Obcordate (heart shaped)
Leaf & Tree Classification Guide Leaf Margins: Smooth Double serrated Fine-toothed (finely serrated) Coarse-toothed (serrated) Wavy (undulate) Lobed General Leaf Classification: Simple Leaves (one leaf per petiole) Compound Leaves (more than one blade on a petiole) Double Compound Leaf (more than one compound leaf per side of stem) Needle Leaf: Leaf Arrangement: Opposite Alternate Whorled Basal Seeds & Cones: Maple seed pod Birch seed Pine cone Spruce cone Fir cone Leaf Shape: Linear Elliptical Oval Ovate Cordate (heart shaped) Obcordate