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Some characteristics to distinguish between Pinus ponderosa and Pinus jeffreyi

Plant part
Pinus ponderosa
Ponderosa Pine
Pinus jeffreyi
Jeffrey Pine
Needles (leaves) 3/bundle green bluish green to green
Seed cones 9-15 cm long 12.5-25 cm long
Dry cone-scales prickles curve outward prickles curve inward
New twigs, color yellowish green to olive brown purplish or bluish white to bluish green
Crushed twigs, odor resinous, of orange or tangerine rind not easy to describe, vanilla, pineapple, apple
Branches, old trees distinctly stout, often bent, ends slightly upturned slender, elongate, straight, ends distinctly upturned