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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> 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| 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. {{SCH}} }} ==Cultivation== {{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line --> ===Propagation=== {{edit-prop}}<!--- Type propagation info below this line, then delete this entire line --> ===Pests and diseases=== {{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line --> ==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== {{photo-sources}}<!-- remove this line if there are already 3 or more photos in the gallery --> <gallery> Image:Upload.png| photo 1 Image:Upload.png| photo 2 Image:Upload.png| photo 3 </gallery> ==References== *[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963 <!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 --> <!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 --> <!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 --> ==External links== *{{wplink}} {{stub}} __NOTOC__
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