Eastern White Pine (Pinus strobus)

  • Needlebearing
  • Evergreen
  • Alternate Common Name: None
  • Average Height: Eastern white pine is a large tree with a very straight trunk, often reaching well over 100 feet in height. The crown is conical when young, later developing wispy, horizontal, upturning branches.
  • Average Width: Average spread of Pinus strobus is 20-40 feet at maturity.
  • Leaf Description: Eastern white pine trees have evergreen needles, 3 to 5 inches long, with five slender, flexible needles per fascicle; fascicle sheath deciduous, needles appear blue-green because of 3 or more glaucous lines of stomata.
  • Bark Description: On young trees, pinus strobus bark is thin, smooth and gray-green with some lighter splotchy patches; later, bark becomes thick, reddish-brown to gray-brown with prominent, finely scaled, rounded, long ridges and darker furrows.
  • Twig Description: Slender, gray-green to orange-brown in color; buds are long, ovoid, reddish-brown.
  • Flowering: Monoecious; males cylindrical, yellow, in clusters near branch tips; females light green, tinged in red, at ends of branches.
  • Needle or Broadleaf: Needle bearing
  • Comments: Pinus strobus is native to North America.

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