WHITE PINE Pinus strobus L.

 

Form:

Tall tree well over 100 feet tall in some regions of the United States; trunk diameter sometimes in excess of 3 feet; crown pyramidal.

Bark:

 Brown, divided into broad ridges by shallow fissures.

Twigs:

Slender, orange‑brown, smooth or slightly hairy.

Leaves:

 Needles in clusters of 5, very flexible, up to 5 inches long, blue‑green.

Flowers:

 Staminate crowded into several yellow spikes up to 1/3 inch long; pistillate crowded into fewer groups, pink to purple.

Fruit:

 Cones oblong, curved, drooping, up to 8 inches long, each scale comprising the cone lacking any prickles; seeds narrowly oblong, up to 1/4 inch long, with a wing up to 1/2 inch long.  

Habitat:

 Moist woods, wooded slopes.

Local Range:

Many places in park.  Grove planted in south-east corner of Collins Woods section.

Distinguishing Features:

 Needles in clusters of 5 readily distinguish the White Pine.

 

Study tree:

Height:

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Canopy:

UTM:

Soil pH near study tree:  

 

Resources: 

  Tree species facts from Robert Mohlenbrock , Forest Trees of Illinois , 1996

 

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