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Needles are less than 1 mm. (0.04 in.) wide, 3 - 19 mm. (1/8 - 3/4 in.) long, and are deciduous
Needles are 1 mm. (0.04 in.) or more wide, 10 - 80 mm. (3/8 - 3 1/8 in.) long, and are evergreen