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Conium maculatum, known as hemlock (British English) or poison hemlock (American English), is a highly poisonous flowering plant in the carrot family Apiaceae, native to Europe and North Africa. It is herbaceous without woody parts and has a biennial lifecycle. A hardy plant capable of living in a variety of environments, hemlock is widely ...
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 diversifolia, commonly known as northern Japanese hemlock, is a species of conifer native to the Japanese islands of Honshū, Kyūshū, and Shikoku.In Europe and North America, the species is sometimes employed as tree for the garden and has been in cultivation since 1861.
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 caroliniana, the Carolina hemlock, [3] is a species of hemlock endemic to the United States. As of 2023, it is under review for listing under the Endangered Species Act of 1973 . [ 4 ]
Tsuga dumosa is a tree growing 20 to 25 m (65 to 80 feet) high and exceptionally to 40 m (130 feet). The diameter at breast height is typically 40 to 50 cm (16 to 20 inches), but can be beyond 100 cm (40 inches). [3]
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]
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]