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|familia=Aceraceae
|familia=Aceraceae
|genus=Acer
|genus=Acer
|species=circinnatum
|species=circinnatum
|common_name=Vine maple
|common_name=Vine maple
|name_ref=Flora - A Gardener's Encyclopedia
|name_ref=Flora - A Gardener's Encyclopedia
|usda_ref=Flora - A Gardener's Encyclopedia
|usda_ref=Flora - A Gardener's Encyclopedia
|max_zone=8
|max_zone=8
|image=Upload.png
|image=Acer circinatum flowers Ketchikan.jpg
|image_width=240
|image_width=240
}}
}}
'''''Acer circinatum''''' ('''Vine Maple''') is a species of [[maple]] native to western [[North America]], from southwest [[British Columbia]] to northern [[California]], always within 300 km of the [[Pacific Ocean]] coast.<ref name=bc>Plants of British Columbia: [http://linnet.geog.ubc.ca/Atlas/Atlas.aspx?sciname=Acer+circinatum ''Acer circinatum'']</ref><ref name=jeps>Jepson Flora: [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?Acer+circinatum ''Acer circinatum'']</ref>
It most commonly grows as a large [[shrub]] growing to around 5-8 m tall, but it will occasionally form a small to medium-sized [[tree]], exceptionally to 18 m tall. The shoots are slender and hairless. It typically grows in the understory below much taller [[forest]] trees, but can sometimes be found in open ground, and occurs at altitudes from sea level up to 1,500 m.<ref name=bc/><ref name=jeps/>
The [[leaf|leaves]] are opposite, and palmately lobed with 7-11 lobes, almost circular in outline, 3-14 cm long and broad, and thinly hairy on the underside; the lobes are pointed and with coarsely toothed margins. The leaves turn bright yellow to orange-red in fall. The [[flower]]s are small, 6–9 mm diameter, with a dark red calyx and five short greenish-yellow petals; they are produced in open corymbs of 4-20 together in spring. The [[fruit]] is a two-seeded [[Samara (fruit)|samara]], each [[seed]] 8-10 mm diameter, with a spreading wing 2–4 cm long.<ref name=bc/><ref name=jeps/><ref>Ashley, A. & Ashley, P. (1990). ''The Canadian Plant Sourcebook''. Cheriton Graphics, Ottawa, Canada.</ref>
Vine Maple trees can bend over easily. Sometimes, this can cause the top of the tree to grow into the ground and send out a new root system, creating a natural arch.
It is occasionally cultivated outside its native range as an [[ornamental tree]], from [[Juneau, Alaska]]<ref>[http://www.silverbowinn.com/downtown_tree_guide%20final%2006.pdf Downtown Juneau Tree Guide]</ref> and [[Ottawa, Ontario]]<ref>Buckley, A. R. (1980). ''Trees and Shrubs of the Dominion Arboretum''. Research Branch, Agriculture Canada, Ottawa.</ref> to [[Huntsville, Alabama]],<ref>University of Alabama, Huntsville: [http://www.uah.edu/admin/Fac/grounds/OREGNVIN.htm Oregon Vine Maple at UAH Arboretum]</ref> and also in northwestern [[Europe]].<ref name=rushforth>Rushforth, K. (1999). ''Trees of Britain and Europe''. Collins ISBN 0-00-220013-9.</ref> It is closely related to ''[[Acer japonicum]]'' (Fullmoon Maple) and ''[[Acer pseudosieboldianum]]'' (Korean Maple) from eastern [[Asia]], and can be difficult to distinguish from these species in cultivation. <br clear=left>
==Cultivation==
==Cultivation==
