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Image of Japanese Larch
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Japanese Larch

Larix kaempferi (Lamb.) Carrière

Associations

provided by BioImages, the virtual fieldguide, UK
Foodplant / open feeder
larva of Anoplonyx destructor grazes on needle of Larix kaempferi

In Great Britain and/or Ireland:
Foodplant / internal feeder
Dryocoetes autographus feeds within bark of Larix kaempferi

Foodplant / internal feeder
Hylurgops palliatus feeds within bark of Larix kaempferi

Foodplant / parasite
amphigenous, subepidermal pycnium of Melampsora laricis-populina parasitises live leaf of Larix kaempferi
Remarks: season: 5-6

Foodplant / pathogen
mycelium of Phytophthora ramorum infects and damages leaf of Larix kaempferi
Other: major host/prey

Foodplant / open feeder
larva of Pristiphora glauca grazes on needle of Larix kaempferi

Foodplant / open feeder
larva of Pristiphora laricis grazes on leaf of Larix kaempferi

Foodplant / open feeder
larva of Pristiphora wesmaeli grazes on needle of Larix kaempferi

Foodplant / mycorrhiza / ectomycorrhiza
fruitbody of Suillus grevillei is ectomycorrhizal with live root of Larix kaempferi

Foodplant / internal feeder
larva of Trypodendron lineatum feeds within bark of Larix kaempferi

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Comments

provided by eFloras
Cultivated. Hebei, Heilongjiang, Henan, Jiangxi, Jilin, Liaoning, Shandong [Japan].
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 4: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
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eFloras

Description

provided by eFloras
Trees to 35(-40) m tall; trunk to 1.5 m d.b.h.; crown broadly pyramidal, dense; long branchlets light yellow or light reddish brown, glaucous, initially pale brownish pub-escent, turning glabrous and grayish brown or blackish brown in 2nd year; short branchlets bearing rings of scale remnants; leaf cushions sparsely pilose. Leaves linear-oblanceolate, 1-2.5 cm × 0.7-1.1 mm, inconspicuously keeled abaxially, apex obtuse. Seed cones terminal, violet, maturing orange-brown tinged with purple, finally gray-brown, ovoid-globose, 1.5-3.5 × 1.5-2.5 cm. Seed scales 30-40, suborbicular, 1-1.3 × 1-1.3 cm, glabrous, margin sometimes undulate, apex entire or emar-

ginate, usually strongly recurved. Bracts included, ligulate, ca. 1/2 as long as seed scales. Seeds brownish white mottled with red, ovoid-cuneate, slightly flattened, ca. 4 × 3 mm; wing reddish yellow tinged with brown, ovate-oblong, ca. 8 × 4 mm.

license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 4: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Habitat & Distribution

provided by eFloras
Cultivated. Hebei, Heilongjiang, Henan, Jiangxi, Jilin, Liaoning, Shandong [Japan].
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 4: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Synonym

provided by eFloras
Pinus kaempferi Lambert, Descr. Pinus 2: [Pref.] v. 1824; Larix leptolepis (Siebold & Zuccarini) Gordon; L. leptolepis var. louchanensis Ferre & Augere.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of China Vol. 4: 36 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of China @ eFloras.org
editor
Wu Zhengyi, Peter H. Raven & Hong Deyuan
project
eFloras.org
original
visit source
partner site
eFloras

Larix kaempferi

provided by wikipedia EN

Larix kaempferi, the Japanese larch[2] or karamatsu (唐松) 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 main branches and the side branches are level, the side branches only rarely drooping. The shoots are dimorphic, with growth divided into long shoots (typically 10–50 cm long) and bearing several buds, and short shoots only 1–2 mm long with only a single bud. The leaves are needle-like, light glaucous green, 2–5 cm long; they turn bright yellow to orange before they fall in the autumn, leaving the pinkish-brown shoots bare until the next spring.[3]

The cones are erect, ovoid-conic and 2–3.5 cm long, with 30–50 reflexed seed scales; they are green when immature, turning brown and opening to release the seeds when mature, 4–6 months after pollination. The old cones commonly remain on the tree for many years, turning dull grey-black.[3]

It grows at altitudes up to 2,900 m on well-drained soils, avoiding waterlogged ground.

The scientific name honours Engelbert Kaempfer. It is also sometimes known by the synonym Larix leptolepis.[4]

Uses

Japanese larch is an important tree in forestry plantations, being grown throughout central and northern Japan (north to Hokkaidō), and also widely in northern Europe, particularly Ireland and Britain. The wood is tough and durable, and is used for general construction work. Small larch poles are widely used for fencing.

Cultivation

Larix kaempferi is used for ornamental purposes in parks and gardens.[5] It is also widely used as material for bonsai.[6] The dwarf cultivars ‘Blue Dwarf’,[7] growing to 1.5 m (4.9 ft) tall and broad, and ‘Nana’,[8] growing to 1 m (3.3 ft) tall and broad, have gained the Royal Horticultural Society’s Award of Garden Merit.[9]

Diseases

In late 2009 Phytophthora ramorum or sudden oak death disease was first found in Japanese larch trees, in the English counties of Devon, Cornwall and Somerset.[10] The disease was found in Counties Waterford and Tipperary in Ireland the following year.[11]

Gallery

References

  1. ^ Katsuki, T.; Luscombe, D (2013). "Larix kaempferi". IUCN Red List of Threatened Species. 2013: e.T42312A2971556. doi:10.2305/IUCN.UK.2013-1.RLTS.T42312A2971556.en. Retrieved 19 November 2021.
  2. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  3. ^ a b c Farjon, A. (1990). Pinaceae. Drawings and Descriptions of the Genera. Koeltz Scientific Books ISBN 3-87429-298-3.
  4. ^ "The Plant List - species in Larix". London: Royal Botanic Gardens, Kew. 2013.
  5. ^ "Larix kaempferi". Royal Horticultural Society. Retrieved 23 July 2013.
  6. ^ D'Cruz, Mark. "Ma-Ke Bonsai Care Guide for Larix kaempferi". Ma-Ke Bonsai. Archived from the original on 2012-03-07. Retrieved 2011-04-18.
  7. ^ "RHS Plantfinder - Larix kaempferi 'Blue Dwarf'". Retrieved 19 March 2018.
  8. ^ "RHS Plantfinder - Larix kaempferi 'Nana' Neumann". Retrieved 17 March 2018.
  9. ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 58. Retrieved 19 March 2018.
  10. ^ Forestry Commission webpage on Phytophthora ramorum
  11. ^ "Disease found in Japanese Larch Trees in Ireland". Department of Agriculture, Food & the Marine. 17 August 2010. Retrieved 17 February 2014.

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wikipedia EN

Larix kaempferi: Brief Summary

provided by wikipedia EN

Larix kaempferi, the Japanese larch or karamatsu (唐松) in Japanese, is a species of larch native to Japan, in the mountains of Chūbu and Kantō regions in central Honshū.

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 main branches and the side branches are level, the side branches only rarely drooping. The shoots are dimorphic, with growth divided into long shoots (typically 10–50 cm long) and bearing several buds, and short shoots only 1–2 mm long with only a single bud. The leaves are needle-like, light glaucous green, 2–5 cm long; they turn bright yellow to orange before they fall in the autumn, leaving the pinkish-brown shoots bare until the next spring.

The cones are erect, ovoid-conic and 2–3.5 cm long, with 30–50 reflexed seed scales; they are green when immature, turning brown and opening to release the seeds when mature, 4–6 months after pollination. The old cones commonly remain on the tree for many years, turning dull grey-black.

It grows at altitudes up to 2,900 m on well-drained soils, avoiding waterlogged ground.

The scientific name honours Engelbert Kaempfer. It is also sometimes known by the synonym Larix leptolepis.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN