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{{SPlantbox
| name = ''Acer macrophyllum''
|familia=Aceraceae
| common_names = Bigleaf Maple
|genus=Acer
| growth_habit = deciduous tree
|species=macrophyllum
| high = <!--- 3ft (1m) -->
|common_name=Bigleaf Maple, Oregon maple
| wide = <!--- 20in (65cm) -->
|name_ref=Flora - A Gardener's Encyclopedia
| origin = Alaska to California
|habit=tree
| poisonous = <!--- indicate parts of plants which are known/thought to be poisonous -->
|habit_ref=Flora - A Gardener's Encyclopedia
| lifespan = perennial
|Max ht box=80
| 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=80
| hardiness = <!--- frost sensitive, hardy, 40[[Fahrenheit|°F]] (5[[Celsius|°C]]), etc -->
|Max wd metric=ft
| bloom = <!--- seasons which the plant blooms, if it is grown for it's flowers -->
|width_ref=Flora - A Gardener's Encyclopedia
| usda_zones = <!--- eg. 8-11 -->
|origin=Alaska to California
| sunset_zones = 4-17
|lifespan=perennial
| color = IndianRed
|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
| image_caption = <!--- eg. Cultivated freesias -->
|features=deciduous, flowers, fire resistant
|regnum = Plantae
|flower_season=early spring, mid spring, late spring
|unranked_divisio = Angiosperms
|flower_ref=Flora - A Gardener's Encyclopedia
|unranked_classis = Eudicots
|Min Temp Num=-30
|unranked_ordo = Rosids
|Temp Metric=°C
|ordo = Sapindales
|min_zone=6
|familia = Sapindaceae
|usda_ref=Flora - A Gardener's Encyclopedia
|genus = Acer
|max_zone=8
|species = macrophyllum
|sunset_zones=4-17
|image=Acer macrophyllum 1199.jpg
|image_width=220
|image_caption=Bigleaf Maple foliage
}}
}}
'''''Acer macrophyllum''''' ('''Bigleaf Maple''' or '''Oregon Maple''') is a large [[deciduous]] [[tree]] in the genus ''[[Acer (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 (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>
[[Image:BigleafMaple 0304.jpg|left|thumb|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 [[flower]]s are produced in spring in pendulous [[raceme]]s 10-15 cm long, greenish-yellow with inconspicuous petals. The [[fruit]] is a paired winged [[Samara (fruit)|samara]], each [[seed]] 1-1.5 cm diameter with a 4-5 cm wing.<ref name=bc/><ref name=jeps/>
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>.
{{Inc|
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.
}}
:''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==
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{{edit-pests}}<!--- Type pest/disease info below this line, then delete this entire line -->
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==Cultivars==
==Varieties==
==Gallery==
==Gallery==
<gallery perrow=5>
Image:BigleafMaple 3158.jpg|Wings help disperse Bigleaf Maple seeds
Image:BigleafMapleBark_7532.jpg|Bigleaf Maple bark is often covered by moss
Image:Upload.png| photo 2
Image:Upload.png| photo 3
</gallery>
</gallery>
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