Key to the Gymnosperms of the Southeastern U.S. -
Key to the Pines (Pinus)
Bark of 2-4-year old twigs without strongly exfoliating scales


Needles are strongly twisted,
and are 2-8 cm. (3/4 - 3 1/8 in.) long

OR

Needles are not twisted, or only slightly twisted,
and are 3-13 cm. (1 1/8 - 5 1/8 in.) long

Needles strongly twisted, 2-8 cm long Needles slightly twisted, 3-13 cm long
Scale bar
Scale bar
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