Key to the Gymnosperms of the Southeastern U.S. -
Key to the Pines (Pinus)
Most needles longer than 12 cm.


Fresh needles are brittle, breaking when bent, and are about 1 mm. (0.04 in.) wide or less -
Red pine (Pinus resinosa)

OR

Fresh needles are flexible, not breaking cleanly when bent, and are mostly over 1 mm. (0.04 in.) wide

   
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