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Leaves greener, less glaucous above, paler below; cones indistinguishable from the type. At one time it was thought to be a hybrid with western hemlock, but there is no verified evidence for this. Tsuga mertensiana subsp. grandicona Farjon. California mountain hemlock; syn. T. hookeriana (A.Murray) Carrière, T. crassifolia Flous. Central ...
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]
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.
The leaves are two- to four-pinnate, finely divided and lacy, overall triangular in shape, up to 50 centimetres (20 inches) long and 40 cm (16 in) broad. [4] Hemlock's flower is small and white; they are loosely clustered and each flower has five petals. [5] A biennial plant, hemlock produces leaves at its base the first year but no flowers. In ...
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]
It can grow as a vine or shrub and can be identified by its smooth green leaves in clusters of three. In the spring, it will produce greenish-white flowers and in the fall, white berries.
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]