Sycamore maple USDA PLANTS Symbol: ACPS
U.S. Nativity: Exotic
Habit: Hardwood Trees
Acer pseudoplatanus L.

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Taxonomic Rank: Magnoliopsida: Sapindales: Aceraceae
Synonym(s): mock plane
Native Range: Europe, W. Asia (REHD, BAIL);

Identification, Biology, Control and Management Resources

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Seed(s); Grows mainly in mountainous regions. Widely used as an ornamental. Height to 30 m. Poland
Gil Wojciech, Polish Forest Research Institute, Bugwood.org
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Twig(s)/Shoot(s); Poland
Gil Wojciech, Polish Forest Research Institute, Bugwood.org
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Flower(s); Flowers April to May. Poland
Gil Wojciech, Polish Forest Research Institute, Bugwood.org
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Plant(s); 1. Branchlet with young shoots terminated by pendulous racemes. - 2. Mature shoot with ripe double samaras. Wings of the samaras diverge at a right angle - typically about 60°, nutlets are ovoid, conspicuously convex. - 3. Seedling with cotyledons (k) and first pair of ordinary leaves. - 4. Winter-branchlet; buds are yellowish-green, terminal buds larger. Leaf-scar is elongated, heart-shaped, vascular bundles are in compound groups of three. Leaf-scars are opposite, not connected extreme laterally. After Hempel & Wilhelm, 1889. Photos and explanations from the book: Zelimir Borzan. "Tree and Shrub Names in Latin, Croatian, English, and German, with synonyms", University of Zagreb, 2001.
Zelimir Borzan, University of Zagreb, Bugwood.org
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Flower(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
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Flower(s);
Robert Vidéki, Doronicum Kft., Bugwood.org
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Flower(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
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Tree(s);
Leslie J. Mehrhoff, University of Connecticut, Bugwood.org
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EDDMapS Distribution:
This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org
 


State(s) Where Reported invasive.
Based on state level agency and organization lists of invasive plants from WeedUS database.

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Invasive Listing Sources:
Commonwealth of Pennsylvania, Department of Conservation and Natural Resources, 1994.
Connecticut Invasive Plant Working Group
Faith Campbell, 1998
Jil Swearingen, personal communication, 2009-2013
John Randall, The Nature Conservancy, Survey of TNC Preserves, 1995.
Mid-Atlantic Exotic Pest Plant Council, 2005
Native Plant Society of Oregon, 2008
Pennypack Ecological Restoration Trust, Pennsylvania.