Key to the Gymnosperms of the Southeastern U.S. -
Key to the Firs (Abies)


Bands on the lower surface of needles consisting of 4-8 stomatal (leaf pore) rows; bracts of seed cones hidden by the scales, or protruding slightly and not turned down -
Balsam fir (Abies balsamea)

OR

Bands on the lower surface of needles consisting of 8-12 stomatal (leaf pore) rows; bracts of seed cones protruding beyond scales and turned downward -
Fraser fir (Abies fraseri)

Hand lens
Bands on lower needle surface with 4-8 stomatal rows (close-up image) Bands on lower needle surface with 8-12 stomatal rows (close-up image)
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