Difference between revisions of "Bigleaf Maple"

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|Max wd metric=ft
 
|Max wd metric=ft
 
|width_ref=Flora - A Gardener's Encyclopedia
 
|width_ref=Flora - A Gardener's Encyclopedia
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|origin=Alaska to California
 
|lifespan=perennial
 
|lifespan=perennial
 
|life_ref=Flora - A Gardener's Encyclopedia
 
|life_ref=Flora - A Gardener's Encyclopedia
 
|exposure=sun
 
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|sun_ref=Flora - A Gardener's Encyclopedia
 
|sun_ref=Flora - A Gardener's Encyclopedia
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|features=flowers
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|features=deciduous, flowers
 
|flower_season=early spring, mid spring, late spring
 
|flower_season=early spring, mid spring, late spring
 
|flower_ref=Flora - A Gardener's Encyclopedia
 
|flower_ref=Flora - A Gardener's Encyclopedia
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|Temp Metric=°F
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|Min Temp Num=-30
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|Temp Metric=°C
 
|min_zone=6
 
|min_zone=6
 
|usda_ref=Flora - A Gardener's Encyclopedia
 
|usda_ref=Flora - A Gardener's Encyclopedia
 
|max_zone=8
 
|max_zone=8
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|image=Upload.png
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|sunset_zones=4-17
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|image=Acer macrophyllum 1199.jpg
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__NOTOC__{{Plantbox
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|image_caption=Bigleaf Maple foliage
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| name = ''Acer macrophyllum''
 
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| common_names = Bigleaf Maple
 
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| growth_habit = deciduous tree
 
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| high = 35 m
 
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| wide = 1-2 m trunk diameter
 
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| origin = Alaska to California
 
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| poisonous =    <!--- indicate parts of plants which are known/thought to be poisonous -->
 
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| lifespan = perennial
 
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| exposure =    <!--- sun, part-sun, semi-shade, shade, indoors, bright filtered (you may list more than 1) -->
 
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| hardiness = -30[[Celsius|°C]]
 
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| sunset_zones = 4-17
 
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| color = IndianRed
 
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| image = Upload.png  <!--- Freesia.jpg -->
 
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|regnum = Plantae
 
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|unranked_divisio = Angiosperms
 
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|unranked_classis = Eudicots
 
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|unranked_ordo = Rosids
 
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|ordo = Sapindales
 
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|familia = Sapindaceae
 
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|genus = Acer
 
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|species = macrophyllum
 
 
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'''''Acer macrophyllum''''' ('''Bigleaf Maple''' or '''Oregon Maple''') is a large [[deciduous]] [[tree]] in the genus ''[[Acer (genus)|Acer]]''.
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It grows to be up to 35 m tall, but more commonly 15 m to 20 m tall. It is native to western [[North America]], mostly near the [[Pacific]] coast, from southernmost [[Alaska]] south to southern [[California]]. Some stands are also found inland in the foothills of the [[Sierra Nevada (U.S.)|Sierra Nevada]] mountains of central California, and a tiny population occurs in central [[Idaho]].<ref name=bc>Plants of British Columbia: [http://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Acer+macrophyllum ''Acer macrophyllum'']</ref><ref name=jeps>Jepson Flora: [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?Acer+macrophyllum ''Acer macrophyllum'']</ref>
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[[Image:BigleafMaple 0304.jpg|left|thumb|Bigleaf Maple flowers and foliage]]
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It has the largest leaves of any [[maple]], typically 15-30&nbsp;cm across, with five deeply-incised palmate lobes, with the largest running to 61&nbsp;cm.
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The [[flower]]s are produced in spring in pendulous [[raceme]]s 10-15&nbsp;cm long, greenish-yellow with inconspicuous petals. The [[fruit]] is a paired winged [[Samara (fruit)|samara]], each [[seed]] 1-1.5&nbsp;cm diameter with a 4-5&nbsp;cm wing.<ref name=bc/><ref name=jeps/>
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Bigleaf maple can form pure stands on moist soils in proximity to streams, but are generally found within [[riparian]] [[hardwood]] forests or dispersed, (under or within), relatively open [[Canopy (forest)|canopies]] of [[conifer]]s, mixed [[evergreen]]s, or [[oak]]s ([[Quercus]] spp.).<ref name="US Forest Service">[http://www.fs.fed.us/database/feis/plants/tree/acemac/all.html US Forest Service]</ref>. In cool and moist temperate [[California mixed evergreen forest|mixed woods]] they are one of the dominant species <ref name="Las Pilitas Native Plant Nursery Plant Communities">[http://www.laspilitas.com/nature-of-california/communities/mixed-evergreen-forest]</ref>.
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Acer macrophyllum, Pursh. Large-leaved Maple. Tree, to 100 feet high: lvs. cordate, deeply 3-5-lobed or cleft, pubescent when young, pale green beneath, 8-12 in. across; middle lobe mostly 3-lobed: panicles glabrous, narrow, pendulous, 4-5 in. long: fr. with yellow, bristly hairs, wings spreading at right angles or nearly upright, over 1 in. long. W. N. Amer. S.S. 2:86,87. F.E. 14, pl. 44 (habit). Gn.M. 2:107 (habit). —Handsome round-headed tree, remarkable for its large foliage; not hardy in the N.
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Acer macrophyllum, Pursh. Large-leaved Maple. Tree, to 100 feet high: lvs. cordate, deeply 3-5-lobed or cleft, pubescent when young, pale green beneath, 8-12 in. across; middle lobe mostly 3-lobed: panicles glabrous, narrow, pendulous, 4-5 in. long: fr. with yellow, bristly hairs, wings spreading at right angles or nearly upright, over 1 in. long. W. N. Amer.—Handsome round-headed tree, remarkable for its large foliage; not hardy in the N.
 
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:''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==
 
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==Cultivars==
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==Varieties==
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==Gallery==
 
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<gallery perrow=5>
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Image:BigleafMaple 3158.jpg|Wings help disperse Bigleaf Maple seeds
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<gallery>
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Image:BigleafMapleBark_7532.jpg|Bigleaf Maple bark is often covered by moss
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Image:Upload.png| photo 1
 
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Revision as of 19:48, 17 September 2010


Bigleaf Maple foliage


Plant Characteristics
Habit   tree

Height: ⇕ 80 ft"ft" can not be assigned to a declared number type with value 80.
Width: ⇔ 80 ft"ft" can not be assigned to a declared number type with value 80.
Lifespan: ⌛ perennial
Origin: ✈ Alaska to California
Bloom: ❀ early spring, mid spring, late spring
Cultivation
Exposure: ☼ sun
Features: ✓ deciduous, flowers
Minimum Temp: ☃ -30°C-22 °F <br />243.15 K <br />437.67 °R <br />
USDA Zones: 6 to 8
Sunset Zones: 4-17
Scientific Names

Aceraceae >

Acer >

macrophyllum >


Acer macrophyllum (Bigleaf Maple or Oregon Maple) is a large deciduous tree in the genus Acer.

It grows to be up to 35 m tall, but more commonly 15 m to 20 m tall. It is native to western North America, mostly near the Pacific coast, from southernmost Alaska south to southern California. Some stands are also found inland in the foothills of the Sierra Nevada mountains of central California, and a tiny population occurs in central Idaho.[1][2]

Bigleaf Maple flowers and foliage

It has the largest leaves of any maple, typically 15-30 cm across, with five deeply-incised palmate lobes, with the largest running to 61 cm.

The flowers are produced in spring in pendulous racemes 10-15 cm long, greenish-yellow with inconspicuous petals. The fruit is a paired winged samara, each seed 1-1.5 cm diameter with a 4-5 cm wing.[1][2]

Bigleaf maple can form pure stands on moist soils in proximity to streams, but are generally found within riparian hardwood forests or dispersed, (under or within), relatively open canopies of conifers, mixed evergreens, or oaks (Quercus spp.).[3]. In cool and moist temperate mixed woods they are one of the dominant species [4].


Read about Bigleaf Maple in the Standard Cyclopedia of Horticulture 

Acer macrophyllum, Pursh. Large-leaved Maple. Tree, to 100 feet high: lvs. cordate, deeply 3-5-lobed or cleft, pubescent when young, pale green beneath, 8-12 in. across; middle lobe mostly 3-lobed: panicles glabrous, narrow, pendulous, 4-5 in. long: fr. with yellow, bristly hairs, wings spreading at right angles or nearly upright, over 1 in. long. W. N. Amer.—Handsome round-headed tree, remarkable for its large foliage; not hardy in the N.


The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.


More information about this species can be found on the genus page.

Cultivation

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Propagation

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Pests and diseases

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Varieties

Gallery

  • Wings help disperse Bigleaf Maple seeds

  • Bigleaf Maple bark is often covered by moss

References

External links


  1. ↑ 1.0 1.1 Plants of British Columbia: Acer macrophyllum
  2. ↑ 2.0 2.1 Jepson Flora: Acer macrophyllum
  3. ↑ US Forest Service
  4. ↑ [1]
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