Tsuga

Tsuga is a genus of conifers in the family Pinaceae. The common name for the species within this genus is hemlock. The genus contains about 14 species that are native to North America and Asia.

Description

Tsuga species are trees, ranging in size from small shrubs to large trees. They are evergreen, with leaves that are needle-like and arranged spirally on the stem. The cones are small and pendulous, with thin, flexible scales.

Species

There are about 14 species in the genus Tsuga, including:

• Tsuga canadensis (Eastern hemlock)
• Tsuga heterophylla (Western hemlock)
• Tsuga mertensiana (Mountain hemlock)
• Tsuga sieboldii (Southern Japanese hemlock)
• Tsuga diversifolia (Northern Japanese hemlock)

Distribution and habitat

Tsuga species are native to North America and Asia. They are found in a variety of habitats, from sea level to high mountain elevations. They prefer cool, moist environments and are often found in old-growth forests.

Uses

Tsuga species are used for timber and for ornamental purposes in horticulture. The wood is used for construction, pulp, and furniture. The trees are also used in the bonsai tradition.

Conservation

Several species of Tsuga are threatened by habitat loss and by the invasive insect, the hemlock woolly adelgid.

See also

• Pinaceae
• Conifer

Tsuga Resources
Need Help Finding a Doctor? Need help finding a doctor or specialist anywhere in the world? Explore our world directory. WikiMD's DocFinder can assist you in locating millions of physicians.	Medical Knowledge Access the latest research - Most recent articles Ongoing trials.

Translate to: East Asian 中文, 日本, 한국어, South Asian हिन्दी, Urdu, বাংলা, తెలుగు, தமிழ், ಕನ್ನಡ,
Southeast Asian Indonesian, Vietnamese, Thai, မြန်မာဘာသာ, European español, Deutsch, français, русский, português do Brasil, Italian, polski