Key to the Gymnosperms of the Southeastern U.S. -
Key to the Hemlocks (Tsuga)


Seed cones are 1.2-2.5 cm. (15/32 - 1 in.) long;
needles mostly appear two-ranked, margins are
minutely dentate, especially toward the apex -
Eastern hemlock (Tsuga canadensis)

OR

Seed cones are 2.0-4.0 cm. (3/4 - 1 5/8 in.) long;
needles mostly spread in all directions from the twigs,
margins are entire (rarely dentate toward the apex) -
Carolina hemlock (Tsuga caroliniana)

Seed cones 1.2-2.5 cm. long (close-up image) Seed cones 2.0-4.0 cm. long (close-up image)
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