Pin Oak Tree (Quercus palustris)

  • Broadleafed
  • Deciduous

Pin oak trees, found through most of the eastern half or so of the U.S., are most easily differentiated from other oak tree species by their leaves. Catkins, dropping in spring, can create a bit of a mess and can aggravate seasonal allergies.

  • Alternate Common Name: None
  • Average Height: Pin oak trees grow to an average height of 82 feet.
  • Average Width: The average pin oak tree has a width of 26 feet.
  • Leaf Description: Alternate, simple, 3 to 6 inches long, oval in shape with 5 to 9 bristle-tipped lobes and abnormaly deep sinuses that extend nearly to the midrib. Major lobes of the pin oak tree leaf form a U-shape. The pin oak leaf is bright green above and pale below with axillary tifts.
  • Bark Description: The bark of pin oak trees is gray-brown and smooth when young, as it matures it develops thin ridges and furrows.
  • Twig Description: Skinny twigs, red-brown in color and quite lustrous with multiple terminal buds that are small, pointed, and chestnut brown.
  • Flowering: Monoecious; male flowers borne on thin, drooping yellow-green catkins; females reddish green borne on short spikes in new leaf axils, appearing in the spring with the leaves.
  • Needle or Broadleaf: Broadleafed
  • Comments: None

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