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Pinus strobus L.

Strobus strobus (L.) Small nom. inval.

Strobus strobus (L.) Small

Eastern white pine, white pine

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionConiferophytaConifers—cone-bearing trees (and a few shrubs)
ClassPinopsidaGymnosperms such as cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews
OrderPinalesCone-bearing plants: cedar, cypress, fir, juniper, larch, pine, redwood, spruce, yew, and others
FamilyPinaceaePine family: cedars, firs, hemlocks, larches, pines and spruces
GenusPinusLatin for “pine”
SpeciesstrobusLatin for “coned”

About plant names...

Eastern white pine is a widespread native of North America. The soft, lightweight, easily worked wood has many applications. Trees often reach 250 years in age, with the oldest approaching 500 years.

Identification: Trees typically reach 50-80' (15-24 m) high, and up to 120' (36 m). Young trees are conical in shape, but older trees often lose lower branches and become less evenly shaped. Bark on younger trees is smooth and gray; on older trees it takes the form of gray or reddish rounded scales. Leaves are blue-green evergreen needles 3-5" (7.6-12 cm) long, in groups of 5. Needles are thinner (less than ¹/₃₂" (1 mm)) than those of other species of pines. Male flowers are yellow, while female flowers are light green; both are inconspicuous. Cones are 5-10" (12-25 cm) long, oval or cylindrical in shape, up to 1½" (3.8 cm) wide.

For further information, see the Pinus comparison tables.

Online References:

Pinus strobus on

Pinus strobus at the United States Department of Agriculture Forest Service

Pinus strobus at the University of Florida Environmental Horticulture site (PDF)

Pinus strobus at the Ohio State University PLANTFacts database

References:

Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, p. 6

Pinus strobus (Eastern white pine, white pine)

4/25/2013 · Tom and Susan’s, Pepperell, Mass­a­chu­setts

Pinus strobus (Eastern white pine, white pine)

That’s a beaver lodge in front. · 4/7/2010 · Nashua River Rail Trail, Groton, Mass­a­chu­setts

Pinus strobus (Eastern white pine, white pine)

5/15/2010 · Garden in the Woods, Framingham, Mass­a­chu­setts
≈ 14 × 9" (35 × 23 cm)

Pinus strobus (Eastern white pine, white pine)

3/11/2012 · Groton Place and Sabine Woods, Groton, Mass­a­chu­setts
≈ 4½ × 7' (1.5 × 2.2 m)

Pinus strobus (Eastern white pine, white pine)

12/12/2020 · Point Lookout (Elev 550'), Lincolnville, Maine

Pinus strobus description by Thomas H. Kent, last updated 7 Nov 2020.

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Pinus strobus (Eastern white pine, white pine)

6/8/2010 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 5 × 8" (13 × 19 cm)

Pinus strobus (Eastern white pine, white pine)

9/14/2009 · Near Nashoba Hospital, Ayer, Mass­a­chu­setts
≈ 30 × 45" (76 × 115 cm)

Pinus strobus (Eastern white pine, white pine)

The pine sap essential to a living tree’s health moves along the outer perimeter of the tree, a zone under the bark called the vascular cambium. · 10/14/2020 · Woodward Point Preserve, Brunswick, Maine

Pinus strobus (Eastern white pine, white pine)

4/23/2010 · Nashua Rail Trail, Ayer, Mass­a­chu­setts
≈ 5 × 3½" (13 × 9.2 cm)

Pinus strobus (Eastern white pine, white pine)

5/12/2007 · Pepperell, Mass­a­chu­setts

Pinus strobus (Eastern white pine, white pine)

6/7/2010 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 5 × 4" (13 × 10 cm)

Range: Zones 3-7:

About this map...