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The needles are produced in clusters on long woody spur shoots. [5] The cones are the smallest of any larch, only 1–2.3 cm (3 ⁄ 8 – 7 ⁄ 8 in) long, with 12-25 seed scales; they are bright red, turning brown and opening to release the seeds when mature, 4 to 6 months after pollination. [6] Key characteristics: [7]
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 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 ...
Jay Wilde . Trees with Spiky Seed Pods. If you've encountered some round, spiny balls under a tree or maybe still on the plant, and you're wondering what it could be, it's likely one of several ...
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.
Pseudolarix wehrii winged seed. Pseudolarix wehrii is an extinct species of golden larch in the pine family ().The species is known from early Eocene fossils of northern Washington state, United States, and southern British Columbia, Canada, along with late Eocene mummified fossils found in the Qikiqtaaluk Region, Nunavut, Canada.
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 ...
The cones are erect, ovoid, 1–2 cm (rarely 2.5 cm) long, with 15–25 moderately reflexed seed scales; they are green (rarely purple) when immature, turning brown and opening to release the seeds when mature, 3–5 months after pollination. The old cones commonly remain on the tree for many years, turning dull grey-black.
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