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| image = Hornbeam Maple Acer carpinifolium Tree 3264px.jpg
| image = Hornbeam Maple Acer carpinifolium Tree 3264px.jpg
| image_width = 240px
| image_width = 240px
| image_caption = Hornbeam Maple
| image_caption =
| regnum = [[Plant]]ae
| regnum = [[Plant]]ae
| divisio = [[Flowering plant|Magnoliophyta]]
| divisio = [[Flowering plant|Magnoliophyta]]
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The tree species '''''Acer carpinifolium''''' ([[Japanese language|Japanese]]: ''Chidorinoki'') is commonly known as the '''Hornbeam Maple'''. Both its common name and species epithet derive from its leaf's resemblance to the leaves of trees in the genus ''[[Carpinus]]'', also commonly known as hornbeams.<ref>http://www.cirrusimage.com/tree_maple_hornbeam.htm ''Acer carpinifolium'' [[Morton Arboretum]] acc. 6-61-4</ref> It is native to [[Japan]] on the islands of [[Honshū]], [[Kyūshū]], and [[Shikoku]], where it grows in woodlands and alongside streams in mountainous areas.
'''''Acer carpinifolium''''' ('''Hornbeam Maple'''; [[Japanese language|Japanese]]: チドリノキ ''Chidorinoki'' "zigzag tree") is a species of [[maple]] native to [[Japan]], on the islands of [[Honshū]], [[Kyūshū]], and [[Shikoku]], where it grows in woodlands and alongside streams in mountainous areas.<ref name=rokko>Rokko mountain chain guide of trees: [http://shinrin.cool.ne.jp/sub283.html ''Acer carpinifolium''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://shinrin.cool.ne.jp/sub283.html&sa=X&oi=translate google translation])</ref><ref name=toj>Trees of Japan: [http://www005.upp.so-net.ne.jp/goostake/GOO/XCHIDORI.HTM ''Acer carpinifolium'']</ref>


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It is a small [[deciduous]] [[tree]] growing to 10–15 m tall, with smooth, dark greenish-grey to grey-brown bark. The [[leaf|leaves]] are 7-15 cm long and 3-6 cm broad, simple, unlobed, and pinnately-veined with 18-24 pairs of veins and a serrated margin. They resemble leaves of [[hornbeam]]s more than they do other maples, except for being arranged in opposite pairs, and in the very small basal pair of veins being palmately arranged as in other maples. The [[flower]]s are 1 cm diameter, greenish yellow, produced in pendulous [[raceme]]s 5-12 cm long in spring as the new leaves open; they are [[plant sexuality|dioecious]], with male and female flowers on separate trees. The [[fruit]] is a [[Samara (fruit)|samara]] of two seeds each with a 2-3 cm long wing.<ref name=rokko/><ref name=toj/><ref name=boroboro>Boroboro Flower Book: [http://boroboro.seesaa.net/archives/20051201.html ''Acer carpinifolium''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://boroboro.seesaa.net/archives/20051201.html&sa=X&oi=translate google translation])</ref><ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref>


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It is occasionally cultivated as an [[ornamental plant]] in temperate regions, mainly as a botanical curiosity to demonstrate the wide range of leaf morphology in the genus ''Acer'', but also for its bright yellow autumn colour. Both the scientific and common names derive from the superficial resemblance of its leaves to the those of the genus ''[[Carpinus]]'' (hornbeams).<ref name=rushforth/>
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It is a small [[deciduous]] [[tree]] growing to 10 m tall, with smooth, dark greenish-grey bark. The [[leaf|leaves]] are 7-15 cm long and 3-6 cm broad, simple, unlobed, and pinnately-veined with 18-24 pairs of veins and a serrated margin. They resemble leaves of [[hornbeam]]s more than they do other maples, except for being arranged in opposite pairs, and in the very small basal pair of veins being palmately arranged as in other maples. The [[flower]]s are small and greenish, produced in pendulous [[raceme]]s 5-12 cm long in spring as the new leaves open. The [[fruit]] is a [[Samara (fruit)|samara]] of two seeds each with a 2-3 cm long wing.


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It is occasionally cultivated as an [[ornamental plant]] in temperate regions, mainly as a botanical curiosity to demonstrate the wide range of leaf morphology in the genus ''Acer'', but also for its bright yellow autumn colour.
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<gallery>
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Image:Hornbeam Maple Acer carpinifolium Leaves 3000px.jpg|Leaves are Opposite
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Image:Acer capinifolium leaf.jpg|[[Morton Arboretum]]<br>Accession 6-61-4
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Image:Hornbeam Maple Acer carpinifolium Leaf 3000px.jpg
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</gallery>
==References==
==References==
{{reflist}}
{{reflist}}
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<gallery>
*[http://www005.upp.so-net.ne.jp/goostake/GOO/XCHIDORI.HTM Plants of Japan: ''Acer carpinifolium'']
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Image:Hornbeam Maple Acer carpinifolium Leaves 3000px.jpg|Foliage
*Rushforth, K. (1999). ''Trees of Britain and Europe''. HarperCollins ISBN 0-00-220013-9.
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Image:Acer capinifolium leaf.jpg|Leaves on a tree at the [[Morton Arboretum]], accession 6-61-4
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Image:Hornbeam Maple Acer carpinifolium Leaf 3000px.jpg|Leaves
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</gallery>
{{commons|Acer carpinifolium}}
{{commons|Acer carpinifolium}}


Revision as of 16:44, 3 November 2007

Acer carpinifolium
Scientific classification
Kingdom:
Plantae
Division:
Magnoliophyta
Class:
Magnoliopsida
Order:
Sapindales
Family:
Sapindaceae
Genus:
Acer
Species:
A. carpinifolium
Binomial name
Acer carpinifolium

Acer carpinifolium (Hornbeam Maple; Japanese: チドリノキ Chidorinoki "zigzag tree") is a species of maple native to Japan, on the islands of Honshū, Kyūshū, and Shikoku, where it grows in woodlands and alongside streams in mountainous areas.[1][2]

It is a small deciduous tree growing to 10–15 m tall, with smooth, dark greenish-grey to grey-brown bark. The leaves are 7-15 cm long and 3-6 cm broad, simple, unlobed, and pinnately-veined with 18-24 pairs of veins and a serrated margin. They resemble leaves of hornbeams more than they do other maples, except for being arranged in opposite pairs, and in the very small basal pair of veins being palmately arranged as in other maples. The flowers are 1 cm diameter, greenish yellow, produced in pendulous racemes 5-12 cm long in spring as the new leaves open; they are dioecious, with male and female flowers on separate trees. The fruit is a samara of two seeds each with a 2-3 cm long wing.[1][2][3][4]

It is occasionally cultivated as an ornamental plant in temperate regions, mainly as a botanical curiosity to demonstrate the wide range of leaf morphology in the genus Acer, but also for its bright yellow autumn colour. Both the scientific and common names derive from the superficial resemblance of its leaves to the those of the genus Carpinus (hornbeams).[4]

References

  1. ^ a b Rokko mountain chain guide of trees: Acer carpinifolium (in Japanese; google translation)
  2. ^ a b Trees of Japan: Acer carpinifolium
  3. ^ Boroboro Flower Book: Acer carpinifolium (in Japanese; google translation)
  4. ^ a b Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
Wikimedia Commons has media related to Acer carpinifolium.
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