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


Seed cones are 5-8 cm. (2 - 3 1/8 in.) long, and broadly ovoid to nearly globose when open; scales bear a short weak prickle or none -
Pond pine (Pinus serotina)

OR

Seed cones are 6-20 cm. (2 3/8 - 7 7/8 in.) long, and narrowly ovoid to ovoid when open; scales bear a stout prickle

   
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