
Flora of the Carolinas and Virginia, Working Draft of 1 January 1997 -- Gymnosperms Alan S. Weakley.
Copyright - Alan S. Weakley, 1998, 1999. All Rights Reserved.
References: Hunt in FNA (1993).
1 Bracts of the mature cones shorter than the scales or slightly exserted beyond the scales; stomatal rows (4-) 7 (-8) on each side of the midvein on the lower leaf surface (visible at 10H); [plant of the Central Appalachians and north].....A. balsamea
1 Bracts of the mature cones longer than the scales and reflexed; stomatal rows (8-) 10 (-12) on each side of the midvein on the lower leaf surface (visible at 10H); [plant of the Southern Appalachians].....A. fraseri