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Larix decidua is a medium-size to large deciduous coniferous tree reaching 25–45 m tall, with a trunk up to 1.5 m diameter (exceptionally, to 53.8 m tall [5] and 11.20 m girth [3.56 m diameter] [6]). The crown is conic when young, becoming broad and often irregular with age; the main branches are level to upswept, with the side branches often ...
The larch's tree crown is sparse and the branches are brought horizontal to the stem, even if some species have them characteristically pendulous. Larch shoots are dimorphic, with leaves borne singly on long shoots typically 10 to 50 cm (4 to 20 in) long [ 2 ] : 47 and bearing several buds , and in dense clusters of 20–50 needles on short ...
Research had shown that western larch trees have no trouble growing in northern BC, an area whose climatic conditions are predicted to match the western larch's historical range by 2030. [4] British Columbia started seeding western larch trees in northern BC in the early 2010s. This was the first assisted migration program for a North American ...
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.
The cones are erect, ovoid-conic, 4–7.5 cm (2–3 in) long, with 50-100 seed scales, each seed scale with a long exserted and reflexed basal bract; they are dark purple when immature, turning dark brown and opening to release the seeds when mature, 5–7 months after pollination. The old cones commonly remain on the tree for many years ...
Larix sibirica, the Siberian larch or Russian larch, is a frost-hardy tree native to western Russia, from close to the Finnish border east to the Yenisei valley in central Siberia, where it hybridises with the Dahurian larch L. gmelinii of eastern Siberia; the hybrid is known as Larix × czekanowskii.
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 ...
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. The crown is broad conic; both the ...