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Larix kaempferi, the Japanese larch [2] or karamatsu (唐松 or 落葉松) in Japanese, is a species of larch native to Japan, in the mountains of Chūbu and Kantō regions in central Honshū. [ 3 ] It is a medium-sized to large deciduous coniferous tree reaching 20–40 m tall, with a trunk up to 1 m diameter.
Larix laricina, commonly known as the tamarack, [3] hackmatack, [3] eastern larch, [3] black larch, [3] red larch, [3] or American larch, [3] is a species of larch native to Canada, from eastern Yukon and Inuvik, Northwest Territories east to Newfoundland, and also south into the upper northeastern United States from Minnesota to Cranesville Swamp, West Virginia; there is also an isolated ...
The hybrid Dunkeld larch is widely grown as a timber crop in Northern Europe, valued for its fast growth and disease resistance. Larch on oak was the traditional construction method for Scottish fishing boats in the 19th century. [citation needed] Larch has also been used in herbal medicine; see Bach flower remedies and Arabinogalactan for details.
The seed cones are ovoid-cylindric, 2 to 5 cm (3 ⁄ 4 to 2 in) long, with 40 to 80 seed scales; each scale bearing an exserted 4 to 8 mm (3 ⁄ 16 to 5 ⁄ 16 in) bract. The cones are green [ 5 ] to reddish purple when immature, turning brown and the scales opening flat or reflexed to release the seeds when mature, four to six months after ...
Natural hybridization occurs regularly with the closely related P. rubens (red spruce) and very rarely with P. glauca (white spruce). [3] It differs from P. glauca in having a dense cover of small hairs on the bark of young branch tips, an often darker reddish-brown bark, shorter needles, smaller and rounder cones, and a preference for wetter ...
Larix lyallii, the subalpine larch, or simply alpine larch, is a deciduous, coniferous tree native to northwestern North America. It lives at high altitudes, from 1,500 to 2,900 meters (4,900 to 9,500 ft), [3] in the Rocky Mountains of Idaho, Montana, British Columbia, and Alberta. There is a disjunct population in the Cascade Range of Washington.
Taylor (1959) [8] had noted that the most obvious morphological difference between typical Picea glauca and typical P. engelmannii was the cone scale, and Horton (1956,1959) [9] [10] found that the most useful diagnostic features of the two spruces are in the cone; differences occur in the flower, shoot and needle, "but those in the cone are ...
Taiga spruce forest in the Kenai National Wildlife Refuge, Alaska. Trees in this environment tend to grow closer to the trunk and not "bush out" in the normal manner of spruce trees. The forests of the taiga are largely coniferous, dominated by larch, spruce, fir and pine.