UW Burke Herbarium species comparison

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Tsuga caroliniana

Tsuga heterophylla

western hemlock
Habit Trees to 50 m. tall, with a narrow crown, the leader and branches drooping.
Bark

Bark dark brown to reddish-brown, becoming thick and furrowed, cross-ridged to form small scales; young branches with both short and long pubescence.
Leaves

Needles flat, grooved, glossy yellow-green on the upper surface, white over most of the lower surface, 8-20 mm. long, highly variable in length, spread at right angles to the branches.
Cones

Staminate cones yellow, 3-4 mm. long, on short stalks near the branch tips; ovulate cones ovoid, 1.5-2.5 cm. long, greenish, becoming brown, single at the branch tips.

Tsuga caroliniana

Tsuga heterophylla
Habitat Moist, deep forests from sea level to middle elevations in the mountains
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring chiefly west of the Cascades crest and in the northeast counties in Washington; Alaska to California, also in southeastern British Columbia, northern Idaho and western Montana.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
T. heterophylla, T. ×jeffreyi, T. mertensiana
T. ×jeffreyi, T. mertensiana
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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