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FNA | Family List | FNA Vol. 2 | Pinaceae | Pinus

15. Pinus resinosa Aiton, Hort. Kew. 3: 367. 1789.

Red pine, Norway pine, pin rouge

Trees to 37m; trunk to 1.5m diam., straight; crown narrowly rounded. Bark light red-brown, furrowed and cross-checked into irregularly rectangular, scaly plates. Branches spreading-ascending; twigs moderately slender (to 1cm thick), orange- to red-brown, aging darker brown, rough. Buds ovoid-acuminate, red-brown, to ca. 2cm, resinous; scale margins fringed. Leaves 2 per fascicle, straight or slightly twisted, brittle, breaking cleanly when bent, deep yellow-green, all surfaces with narrow stomatal bands, margins serrulate, apex short-conic, acute; sheath 1--2.5cm, base persistent. Pollen cones ellipsoid, ca. 15mm, dark purple. Seed cones maturing and opening in 2 years, spreading, symmetric, ovoid before opening, broadly ovoid to nearly globose when open, 3.5--6cm, light red-brown, nearly sessile; apophyses slightly thickened, slightly raised, transversely low-keeled; umbo central, centrally depressed, unarmed. Seeds ovoid; body 3--5mm, brown; wing to 20mm. 2 n =24.

Sandy soils, eastern boreal forests; 200--800(--1300)m; Man., N.B., Nfld., N.S., Ont., P.E.I., Que.; Conn., Ill., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Pa., Vt., W.Va., Wis.

Pinus resinosa was once the most important timber pine in the Great Lakes region.

Norway pine ( Pinus resinosa ) is the state tree of Minnesota.


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