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Needles are usually in fascicles of 2 or 3 with the sheath generally persistent. The cross-section of the needle shows 2 vascular bundles. Cone scales are usually thick at the apex and generally armed. Wood is generally hard with an ubrupt transition from early to late wood.
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Red Pine (P. resinosa)
Pitch Pine (P. rigida)
Jack Pine (P. banksiana)
Longleaf Pine (P. palustris)
Shortleaf Pine (P. echinata)
Loblolly Pine (P. taeda)
Slash Pine (P.elliottii)
Virginia Pine (P. virginiana)
Table Mountain Pine (P. pungens)
Ponderosa Pine (P. ponderosa)
Jeffrey Pine (P. jeffreyi)
Lodgepole Pine (P. contorta)
Digger Pine (P. sabiniana)
Scotch Pine (P.sylvestris)
Austrian Pine (P.nigra)
Mugo Pine (P. mugo)
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