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Acer crataegifolium (view source)
Revision as of 17:20, 17 September 2010
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<!--- ******************************************************* -->+<!-- This section should be renamed Cultivars if it appears on a page for a species (rather than genus), or perhaps Varieties if there is a mix of cultivars, species, hybrids, etc -->+[[Category:Categorize]]+
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|familia=Aceraceae
|familia=Aceraceae
|genus=Acer
|genus=Acer
−|species=crataegifolium
+|species=crataegifolium
+|common_name=Hawthorn-leaf Maple, Uri Maple
+|name_ref=Wikipedia
|habit=tree
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|habit_ref=Flora - A Gardener's Encyclopedia
|habit_ref=Flora - A Gardener's Encyclopedia
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|usda_ref=Flora - A Gardener's Encyclopedia
|usda_ref=Flora - A Gardener's Encyclopedia
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+|image=Acer crataegifolium SZ147.jpg
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+'''''Acer crataegifolium ''''' ('''Hawthorn-leaf Maple''' or '''Uri Maple'''), is a species of [[maple]] in the [[snakebark maple]] group, native to mountains forests of central and southern [[Japan]], on [[Honshū]] ([[Fukushima Prefecture|Fukushima]] southward), [[Kyūshū]] and [[Shikoku]].<ref name=kanon>Kanon tree book: [http://kanon101.cool.ne.jp/foto_sinrin/K_kaede/uri_kaede/uri_kaede.htm ''Acer crataegifolium''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://kanon101.cool.ne.jp/foto_sinrin/K_kaede/uri_kaede/uri_kaede.htm&sa=X&oi=translate& google translation])</ref><ref name=kanagawa>Kanagawa Prefecture trees and shrubs: [http://www.geocities.jp/greensv88/jumoku-zz-urikaede.htm ''Acer crataegifolium''] (in Japanese; [http://translate.google.com/translate?hl=en&sl=ja&u=http://www.geocities.jp/greensv88/jumoku-zz-urikaede.htm&sa=X&oi=translate& google translation]). [http://www.webcitation.org/5klXwXXfh Archived] 2009-10-24.</ref><ref name=gelderen>van Gelderen, C. J. & van Gelderen, D. M. (1999). Maples for Gardens: A Color Encyclopedia</ref><ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?1116 ''Acer crataegifolium'']</ref>
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+It is a [[deciduous]] small [[tree]] or [[shrub]] that grows to a height of 5–10 m, with a trunk up to 30 cm diameter. The [[bark]] is green to greenish-brown, with narrow vertical white or pale grey stripes; the young shoots are slender, green to purplish-red and the buds purplish-red. The [[leaf|leaves]] are 5-8 cm (rarely to 15 cm) long and 4-7 cm broad, dark green to bluish green and often tinged reddish above, paler green below, ovate-triangular, and may be either unlobed or three-lobed; the petiole is red, 2–3 cm long. The [[flower]]s are small, pale yellow, produced on arched to drooping [[raceme]]s 3–5 cm long. The [[fruit]] is a paired [[Samara (fruit)|samara]] 1–2 cm long, pink or red maturing brown, with nutlets not more than 4 mm wide.<ref name=kanon/><ref name=kanagawa/><ref name="gelderen"/><ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref>
+
+The Japanese name ''urikaede'' refers to the bark pattern resembling the skin of a melon, as also in the similar bark of ''[[Acer rufinerve]]'' (''urihadakaede'').<ref name=kanon/> The scientific name derives from the supposed resemblance of its leaves to those of [[Crataegus|hawthorns]] (''Crataegus''), though this is somewhat fanciful, only making sense if certain species of hawthorn are considered.<ref name=rushforth/>
+
+It is a somewhat difficult maple to propagate, and is rarely seen outside of sizable collections. Examples may be seen in [[Westonbirt Arboretum]] ([[Gloucestershire]], [[England]]) and the [[Arnold Arboretum]] ([[Boston, Massachusetts|Boston, USA]]). The rare [[cultivar]]s 'Me uri no ofu' and 'Veitchii' both have striking white and pink [[variegation]].<ref name="gelderen"/>
+
{{Inc|
{{Inc|
−Acer crataegifolium,Sieb. & Zucc. Small tree, to 30 ft.: lvs. oblong-ovate, often with 2 or 4 lobes near the base, 2-3 in. long, acuminate, rounded or cordate at the base, unequally serrate, bluish gray beneath: racemes 5-8-fld., glabrous: fr. on pedicels about 1/4in. long; wings nearly horizontal. Japan.-Graceful species; hardy at the Arnold Arboretum.
−Acer crataegifolium,Sieb. & Zucc. Small tree, to 30 ft.: lvs. oblong-ovate, often with 2 or 4 lobes near the base, 2-3 in. long, acuminate, rounded or cordate at the base, unequally serrate, bluish gray beneath: racemes 5-8-fld., glabrous: fr. on pedicels about 1/4in. long; wings nearly horizontal. Japan. S.Z. 1:147. S.I.F. l:67.-Graceful species; hardy at the Arnold Arboretum.
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−==Species==
+==Varieties==
−There are two [[variety (biology)|varieties]]:<ref name="gelderen"/>
+*''A. crataegifolium'' var. ''crataegifolium''. Leaves up to 7 cm long.
+*''A. crataegifolium'' var. ''macrophyllum'' Hara. Leaves up to 15 cm long.
==Gallery==
==Gallery==
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