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{{SPlantbox
| name = ''Acer buergerianum''
|familia=Aceraceae
| common_names = Trident Maple
|genus=Acer
| growth_habit = deciduous tree
|species=buergerianum
| high = 10-15 m
|common_name=Trident Maple
| wide = 30-50 cm trunk diameter
|name_ref=Flora - A Gardener's Encyclopedia
| origin = China
|habit=tree
| poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
|habit_ref=Flora - A Gardener's Encyclopedia
| lifespan = <!--- perennial, annual, etc -->
|Max ht box=30
| exposure = <!--- sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
|Max ht metric=ft
| water = <!--- frequent, regular, drought tolerant, let dry then soak -->
|height_ref=Flora - A Gardener's Encyclopedia
| features = <!--- flowers, fragrance, naturalizes, invasive -->
|Max wd box=25
| hardiness = -35[[Celsius|°C]]
|Max wd metric=ft
| bloom = <!--- seasons which the plant blooms, if it is grown for its flowers -->
|width_ref=Flora - A Gardener's Encyclopedia
| usda_zones = <!--- eg. 8-11 -->
|origin=China
| sunset_zones = 4-9, 14-17, 20, 31-34
|lifespan=perennial
|life_ref=Flora - A Gardener's Encyclopedia
| image = Upload.png <!--- Freesia.jpg -->
|exposure=sun
| image_width = 240px <!--- leave as 240px if horizontal orientation photo, or change to 180px if vertical -->
|sun_ref=Flora - A Gardener's Encyclopedia
|features=deciduous, flowers
|flower_season=early spring, mid spring, late spring
|flower_ref=Flora - A Gardener's Encyclopedia
|Min Temp Num=-35
|Temp Metric=°C
|min_zone=6
|usda_ref=Flora - A Gardener's Encyclopedia
|max_zone=8
|sunset_zones=4-9, 14-17, 20, 31-34
|image=Acer buergerianum1.jpg
|image_width=240
}}
}}
'''''Acer buergerianum''''' ('''Trident Maple''') is a species of [[maple]] native to eastern [[China]] (from [[Shandong]] west to southeastern [[Gansu]], south to [[Guangdong]] and southwest to [[Sichuan]]) and [[Taiwan]].<ref name=focd>Flora of China (draft): [http://web.archive.org/web/20060209210809/http://hua.huh.harvard.edu/china/mss/volume11/Aceraceae-AGH_coauthoring.htm Aceraceae]</ref><ref name=grin>Germplasm Resources Information Network: [http://www.ars-grin.gov/cgi-bin/npgs/html/taxon.pl?1088 ''Acer buergerianum'']</ref> It is widely grown in temperate regions as an [[ornamental tree]].
It is a small to medium-sized [[deciduous]] [[tree]] reaching a height of 5-20 m with a trunk up to 50 cm diameter. The [[leaf|leaves]] are in opposite pairs, 2.5-8 cm long (excluding the 2-5 cm petiole) and 3.5–6.5 cm broad, hard, glossy dark green above, paler below, usually with three lobes; on mature trees the lobes forward-pointing and with smooth margins, on young trees with more spreading lobes and serrated margins. The [[flower]]s are produced in spring, yellow-green, in pendulous [[corymb]]s; they are small, with five greenish sepals and five yellow-white petals about 2 mm long, and eight stamens. The [[fruit]] is a [[Samara (fruit)|samara]] with two winged [[seed]]s, each seed 4-7 mm diameter, with a 15 mm wing; the wings are forward-pointing and often overlapping each other.<ref name=focd/><ref name="gelderen">van Gelderen, C.J. & van Gelderen, D.M. (1999). ''Maples for Gardens: A Color Encyclopedia''</ref><ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref>
:''More information about this species can be found on the [[Acer|genus page]].''
:''More information about this species can be found on the [[Acer|genus page]].''
==Cultivation==
==Cultivation==
{{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
{{edit-cult}}<!--- Type cultivation info below this line, then delete this entire line -->
{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
==Species==
==Varieties==
Several interesting [[cultivar]]s have been developed, many of these bear Japanese names. Notable cultivars include 'Goshiki Kaede' (striking pink and green [[variegation]]), 'Kifu Nishiki' (roundish, almost un-lobed leaves), 'Mino Yatsubusa' (dwarf with long, narrow leaves) 'Mitsubato Kaede' (distinctive [[Cork (material)|cork]]-like trunk) and 'Naruto' (strongly incurved leaf surface).<ref name="gelderen"/>
The species is variable, and a number of [[variety (biology)|varieties]] have been described:<ref name=focd/>
*''Acer buergerianum'' var. ''buergerianum''. Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Zhejiang.
*''Acer buergerianum'' var. ''jiujiangense'' Z.X.Yu. Jiangxi.
*''Acer buergerianum'' var. ''horizontale'' F.P.Metcalf. Southern Zhejiang.
*''Acer buergerianum'' var. ''formosanum'' (Hayata ex Koidzumi) Sasaki. Taiwan (endemic).
*''Acer buergerianum'' var. ''kaiscianense'' (Pampanini) W.P.Fang. Gansu, Hubei, Shaanxi.
*''Acer buergerianum'' var. ''yentangense'' W.P.Fang & M.Y.Fang. Zhejiang.
A few trees have consistently unlobed leaves; these were first described as a variety ''A. trifidium'' var. ''integrifolium'' Makino (''A. trifidium'' is an old synonym of ''A. buergerianum''), but are now not distinguished from the species.<ref name=makino>Makino Herbarium, Tokyo: [http://taxa.soken.ac.jp/makinodb/makino/prep_e/MAK151133.html ''Acer trifidium'']</ref> Occasional unlobed leaves also occur on most trees with otherwise normal three-lobed leaves.<ref name=afm>Mitchell, A. F. (1974). ''A Field Guide to the Trees of Britain and Northern Europe''. Collins ISBN 0-00-212035-6</ref>
==Gallery==
==Gallery==
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<gallery>
File:Acer buergerianum seeds.jpg| photo 1
Image:Upload.png| photo 2
Image:Upload.png| photo 2
Image:Upload.png| photo 3
Image:Upload.png| photo 3
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