Northern Prairie Wildlife Research Center
Northeast Wetland Flora
Field Office Guide to Plant Species
Eastern White Pine
Pinus strobus L.
- Family: Pine (Pinaceae)
- Fruits: Autumn
- Field Marks: The needles of this pine are soft and flexible and in clusters of 5's.
- Habitat: Woods.
- Habit: Tree to 150 feet tall, with a trunk diameter up to 6 feet; bark at maturity deeply fissured and with scaly ridges; branches usually horizontally spreading.
- Twigs: Orange-brown or green, finely hairy when young but becoming smooth; buds ovoid, reddish brown to orange.
- Leaves: Needles in clusters of 5's, soft, flexible, blue-green, up to 5 inches long the mature clusters lacking a fascicle sheath.
- Reproductive Structures: Male flowers crowded into several yellow cones up to 1/3 inch long; female flowers in fewer clusters, pinkish to purple.
- Fruits: Cones woody, oblongoid, curved, drooping, flexible, up to 8 inches long, the scales rounded at the tip, without prickles; seeds narrowly oblong, up to 1/4 inch long, with a wing twice as long.
- Notes: The wood is used for interior finishing and in general construction. White pine is own extensively as an ornamental.
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