[Hemlocks: The Genus Tsuga in the Columbia River Gorge of Oregon and Washington]

Western Hemlock, Pacific Hemlock, Lowland Hemlock

Tsuga heterophylla

Synonym: Abies heterophylla

Western Hemlock, Pacific Hemlock, Lowland Hemlock: Tsuga heterophylla (Synonym: Abies heterophylla)

The photo above shows the needles and cones of western hemlock as seen along forest road #23 above 3000' on the southwestern slopes of Mt. Adams..........October 14, 2005. The flattened leaves are largely 2-ranked on the sides of the twigs and are of unequal lengths. All photos on this page were taken at the same location.

Western Hemlock, Pacific Hemlock, Lowland Hemlock: Tsuga heterophylla (Synonym: Abies heterophylla)

The photo above shows the greenish upper surface of the needles of western hemlock.

Western Hemlock, Pacific Hemlock, Lowland Hemlock: Tsuga heterophylla (Synonym: Abies heterophylla)

The photo above shows the two broad rows of stomatal bloom on the underside of the needles of western hemlock.

Cone of Western Hemlock, Pacific Hemlock, Lowland Hemlock: Tsuga heterophylla (Synonym: Abies heterophylla)

A close-up of the cone of western hemlock. The cones measure from 1.5-2.5 cm long.

Paul Slichter