Larix kaempferi
Japanese larch | |
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Bark and leaves | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Gymnospermae |
Division: | Pinophyta |
Class: | Pinopsida |
Order: | Pinales |
Family: | Pinaceae |
Genus: | Larix |
Species: | L. kaempferi
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Binomial name | |
Larix kaempferi (
Carr. |
Larix kaempferi, the Japanese larch
It is a medium-sized to large
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.[citation needed]
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
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
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Old cone and young needles growing out of a branch
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Bark on the tree's trunk
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cones and seeds - museum specimen
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Needles
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Developing seed cones
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Male cones
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Young female cone
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Old seed cones
References
- . Retrieved 19 November 2021.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ ISBN 3-87429-298-3.
- ^ "The Plant List - species in Larix". London: Royal Botanic Gardens, Kew. 2013.
- ^ "Larix kaempferi". Royal Horticultural Society. Retrieved 23 July 2013.
- ^ 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.
- ^ "RHS Plantfinder - Larix kaempferi 'Blue Dwarf'". Retrieved 19 March 2018.
- ^ "RHS Plantfinder - Larix kaempferi 'Nana' Neumann". Retrieved 17 March 2018.
- ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 58. Retrieved 19 March 2018.
- ^ Forestry Commission webpage on Phytophthora ramorum
- ^ "Disease found in Japanese Larch Trees in Ireland". Department of Agriculture, Food & the Marine. 17 August 2010. Retrieved 17 February 2014.