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The distribution of T. mertensiana stretches from Kenai Peninsula, Alaska, to northern Tulare County, California. [4] [5] [6] Its range fairly closely matches that of T. heterophylla (western hemlock), found less than 100 kilometers (62 miles) from the Pacific Ocean, apart from an inland population in the Rocky Mountains in southeast British Columbia, northern Idaho, and western Montana.
Tsuga (/ ˈ s uː ɡ ə /, [3] from Japanese 栂 (ツガ), the name of Tsuga sieboldii) is a genus of conifers in the subfamily Abietoideae of Pinaceae, the pine family.The English-language common name "hemlock" arose from a perceived similarity in the smell of its crushed foliage to that of the unrelated plant hemlock. [4]
Tsuga heterophylla, the western hemlock [2] or western hemlock-spruce, [3] is a species of hemlock native to the northwest coast of North America, with its northwestern limit on the Kenai Peninsula, Alaska, and its southeastern limit in northern Sonoma County, California. [4] [5] The Latin species name means 'variable leaves'. [6]
The tree is often multiple-stemmed from the base and the dense crown is broadly conical and pointed. The bark is a dark pink-grey in colour. It is smooth with horizontal folds when the tree is young, but later cracks into squares and become flaky. The glabrous shoots are a pale shining buff, but they may vary to white or pale brown.
Carolina hemlock is used more often as an ornamental tree than for timber production, due to its overall rarity. [9] In landscaping, it is similar in appearance to eastern hemlock, but the Carolina hemlock has a deep taproot, compared with the shallow, aggressive roots of eastern hemlock. This means shrubs and other plants can be grown more ...
Join conservationists for a hands-on workshop at Cumming Nature Center to identify and survey the tree-killing insect, hemlock woolly adelgid.
An Eastern Hemlock branch at the Kortright Centre for Conservation. Tsuga canadensis, also known as eastern hemlock, [3] eastern hemlock-spruce, [4] or Canadian hemlock, and in the French-speaking regions of Canada as pruche du Canada, is a coniferous tree native to eastern North America. It is the state tree of Pennsylvania. [5]
Branches that are 2 to 3 years old are greyish brown or dark grey with leaf scars. The wood from the tree is a brownish yellow with a fine structure and straight veins. [3] The leaves are spirally arranged, pointing forward on the branches and placed distantly from one another compared to other species in the genus Tsuga. They are linear in ...