{"id":2590,"date":"2011-04-19T11:56:35","date_gmt":"2011-04-19T15:56:35","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/"},"modified":"2025-02-11T04:45:51","modified_gmt":"2025-02-11T09:45:51","slug":"red-maple","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/red-maple\/","title":{"rendered":"Red maple"},"content":{"rendered":"<p><em>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. March 2011.<\/em><\/p>\n<p><strong>Scientific name: <\/strong><em>Acer rubrum<\/em> L.<\/p>\n<p><strong>Common name(s):<\/strong> red maple, swamp maple, scarlet maple<\/p>\n<p><strong>Links:<\/strong> <a href=\"https:\/\/plants.usda.gov\/home\/plantProfile?symbol=ACRU\" target=\"_blank\" rel=\"noopener noreferrer\">USDA PLANTS Profile<\/a>, <a href=\"http:\/\/www.wildflower.org\/plants\/result.php?id_plant=ACRU\" target=\"_blank\" rel=\"noopener noreferrer\">NPIN Profile<\/a>, <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/acer\/rubrum\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a><\/p>\n<p><em><strong>Images:<\/strong> (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;)<\/em><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 25%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-2590 gallery-columns-4 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-1c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-1c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Acer rubrum leaves are toothed\" aria-describedby=\"gallery-1-9895\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-1c-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-1c-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-9895'>\n\t\t\t\tleaves are toothed\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-2c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-2c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Acer rubrum emerging leaves\" aria-describedby=\"gallery-1-9896\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-2c-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-2c-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-9896'>\n\t\t\t\tred maple showing emerging leaves\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-3c.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-3c-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Acer rubrum on wooded field edge\" aria-describedby=\"gallery-1-9897\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-3c-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2014\/04\/Acer-rubrum-3c-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-9897'>\n\t\t\t\ton wooded field edge\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/11\/Red-maple-fruit-001sm.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/11\/Red-maple-fruit-001sm-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Red maple fruit achenes in June\" aria-describedby=\"gallery-1-12495\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/11\/Red-maple-fruit-001sm-150x150.jpg 150w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2017\/11\/Red-maple-fruit-001sm-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-12495'>\n\t\t\t\tachenes in June\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p><strong>Description:<\/strong><\/p>\n<p>-Multi-stemmed bush<\/p>\n<p>-light gray bark<\/p>\n<p>-shiny, red, hairless twigs dotted with white lenticels<\/p>\n<p>-Leaves are<\/p>\n<ul>\n<li>opposite with 3-5 lobes<\/li>\n<li>3\u2033-4\u2033 long with sharp angled lobes<\/li>\n<li>dark green above and whitened underneath<\/li>\n<\/ul>\n<p>-Flowers<\/p>\n<ul>\n<li>appear in clusters in April, before leaf buds open<\/li>\n<li>Male flowers, yellow-red, and female flowers bright scarlet<\/li>\n<li>appear on separate trees.<\/li>\n<\/ul>\n<p><strong>Habitat:<\/strong><\/p>\n<p>-Prefers wetter soils<\/p>\n<p>-variable<\/p>\n<p>-dry ridges<\/p>\n<p>-peat bogs<\/p>\n<p>-swamps<\/p>\n<p>-moderately well drained soils<\/p>\n<p>&nbsp;<\/p>\n<p>Sources:<\/p>\n<p>Walters, Russel S, and Harry W Yawney. \u201cRed Maple.\u201d <i>Acer Rubrum L<\/i>, USDA, www.srs.fs.usda.gov\/pubs\/misc\/ag_654\/volume_2\/acer\/rubrum.htm.<\/p>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. March 2011. Scientific name: Acer rubrum L. Common name(s): red maple, swamp maple, scarlet maple Links: USDA PLANTS Profile, NPIN Profile, Go Botany Images: (to see enlargements [PC]: click on image, then right click and choose &#8220;view image&#8221;) Description: -Multi-stemmed bush -light [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"parent":3409,"menu_order":21,"comment_status":"closed","ping_status":"closed","template":"templates\/page-withsidebar.php","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-2590","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Red maple - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/red-maple\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Red maple - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. March 2011. Scientific name: Acer rubrum L. 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