Pinus strobus L. - White Pine


 

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Pinus strobus - (image 1 of 7)

 

Taxonomy

Family: Pinacea

Habitat

Rocky ridges, bogs, forests, sand barrens.

Associates

 

Distribution

Newfoundland to Manitoba, south to GA, IL, and IA.

Morphology

Upright, evergreen conifer to 200'. Crown conical, flat-topped in older specimens, horizontal branching. Needles 5 per fascicle, persisting 1-4 years, green, flexible, soft, 3-sided, finely toothed. Buds brown, to 1/4" long, sharp-pointed with overlapping scales. Young bark thin, smooth, dark gray; mature bark deeply furrowed into long vertical ridges. Cones cylindrical, to 8" long, pendulous, greenish when young, maturing to light brown.

Notes

Flowers NA

Wetland indicator: Facultative Upland

An important timber and landscape tree. Among the largest of eastern trees.

References

Dirr, Michael A. 1998. Manual of Woody Landscape Plants:
Their Identification, Ornamental Characteristics, Culture, Propagation and Uses.
5th ed. Champaign, Illinois: Stipes Publishing L.L.C.

 

Farrar, J. L. 1995. Trees of the Northern United States and Canada.
Ames, Iowa: Iowa State University Press

 

Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.

 


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 Michael Hough © 2005