Leaves Broad and Flat

(4) Leaves Simple
- (5) Leaf Margins Lobed
  
  Leaf bilaterally symmetrical; broad notch at tip
  
  Fan-shaped leaves borne in clusters on short peg-like structures on branches
  
  Variety of leaf shapes from entire to various "mitten shapes"
  
  Star-shaped leaves
  
  Leaves maple-like but with wavy-toothed margins, shallow sinuses; petiole base encloses new bud
  
  Leaf lobes bristle tipped, dull green above, pointed lobes; large flat-capped acorn
  
  Leaf lobes bristle tipped, dull green above, yellow-green, scurfy-pubescent beneath
  
  Oak-type leaf but lobes are rounded
  
  Note light gray, shingly bark on older limbs
  
  Leaves not lobed, coarse marginal serrations are sharply pointed
  
  Similar to white oak, but terminal portion of leaf of bur oak is broader
  
  Margins serrated; deep, acute sinuses; silvery undersides
  
  Margins serrated; sinuses acute but not as deep
  
  Petioles exude milky sap when detached; dark green leaf
  
  Lighter green leaves than Norway Maple; five lobes with rounded sinuses