Key to the Gymnosperms of the Southeastern U.S. -
Key to the Pines (Pinus)
Needles strongly twisted, and 2-8 cm. long


Seed cone scales bear prickles, inner surface of scales
has a contrasting purple-red or purple-brown border;
needles are 1.5 mm. (0.06 in.) or less wide -
Virginia pine (Pinus virginiana)

OR

Seed cone scales do not bear prickles, inner
surface of scales lacks a contrasting border;
needles are 1.5-2 mm. (0.06 - 0.08 in.) wide -
Scotch pine (Pinus sylvestris)

Seed cone scales bearing prickles (close-up image) Seed cone scales bearing prickles Seed cone scales without prickles Seed cone scales without prickles (close-up image)
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