{"id":5069,"date":"2012-02-15T12:00:10","date_gmt":"2012-02-15T17:00:10","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/?page_id=5069"},"modified":"2026-04-15T10:34:11","modified_gmt":"2026-04-15T14:34:11","slug":"speckled-alder","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/blueberries\/weed-images\/woody-weeds\/speckled-alder\/","title":{"rendered":"Speckled Alder"},"content":{"rendered":"\n<p><em>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated March 2018.<\/em><\/p>\n\n\n\n<p><strong>Scientific name:<\/strong> <em>Alnus incana <\/em>(L.) Moench<\/p>\n\n\n\n<p><strong>Common name(s)<\/strong>: speckled alder, gray alder<\/p>\n\n\n\n<p><strong>Links: <\/strong><a href=\"https:\/\/plants.usda.gov\/home\/plantProfile?symbol=ALIN2\" target=\"_blank\" rel=\"noopener noreferrer\">USDA PLANTS Profile<\/a>, <a href=\"http:\/\/www.wildflower.org\/plants\/result.php?id_plant=ALINR\" target=\"_blank\" rel=\"noopener noreferrer\">NPIN Profile<\/a>, <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/alnus\/incana\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-4 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" data-id=\"14406\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-682x1024.jpg\" alt=\"Alnus incana ssp rugosa on edge of blueberry field. \" class=\"wp-image-14406\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-682x1024.jpg 682w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-200x300.jpg 200w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-768x1152.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-93x140.jpg 93w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-317x476.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-423x635.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-634x951.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-846x1269.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-951x1427.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt-1268x1902.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-3-opt.jpg 1333w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,682px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"14404\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-1024x682.jpg\" alt=\"Alnus incana ssp rugosa young plants. \" class=\"wp-image-14404\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-1024x682.jpg 1024w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-300x200.jpg 300w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-768x512.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-105x70.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-317x211.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-423x282.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-634x423.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-846x564.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-951x634.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt-1268x845.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-1-opt.jpg 2000w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"14139\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-1024x682.jpg\" alt=\"Speckled alder leaves.\" class=\"wp-image-14139\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-1024x682.jpg 1024w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-300x200.jpg 300w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-768x512.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-105x70.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-317x211.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-423x282.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-634x423.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-846x564.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-951x634.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt-1268x845.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-9-opt.jpg 2000w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"14405\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-1024x682.jpg\" alt=\"Wrinkled Alnus incana ssp rugosa leaves and close-up of buds.\" class=\"wp-image-14405\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-1024x682.jpg 1024w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-300x200.jpg 300w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-768x512.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-105x70.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-317x211.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-423x282.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-634x423.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-846x564.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-951x634.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt-1268x845.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-2-opt.jpg 2000w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"14408\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-1024x682.jpg\" alt=\"Alnus incana ssp rugosa persistent, cone-like fruits.\" class=\"wp-image-14408\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-1024x682.jpg 1024w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-300x200.jpg 300w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-768x512.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-105x70.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-317x211.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-423x282.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-634x423.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-846x564.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-951x634.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt-1268x845.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-5-opt.jpg 2000w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"14407\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-1024x682.jpg\" alt=\"Alnus incana ssp rugosa buds with two scales. \" class=\"wp-image-14407\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-1024x682.jpg 1024w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-300x200.jpg 300w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-768x512.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-105x70.jpg 105w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-317x211.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-423x282.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-634x423.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-846x564.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-951x634.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt-1268x845.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-4-opt.jpg 2000w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" data-id=\"14403\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-682x1024.jpg\" alt=\"Alnus incana ssp rugosa male flowers with immature female flowers. \" class=\"wp-image-14403\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-682x1024.jpg 682w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-200x300.jpg 200w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-768x1152.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-93x140.jpg 93w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-317x476.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-423x635.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-634x951.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-846x1269.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-951x1427.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt-1268x1902.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-10-opt.jpg 1333w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,682px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" data-id=\"14410\" src=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-682x1024.jpg\" alt=\"Alnus incana ssp rugosa male flower and expanding female flowers. \" class=\"wp-image-14410\" srcset=\"https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-682x1024.jpg 682w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-200x300.jpg 200w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-768x1152.jpg 768w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-93x140.jpg 93w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-317x476.jpg 317w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-423x635.jpg 423w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-634x951.jpg 634w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-846x1269.jpg 846w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-951x1427.jpg 951w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt-1268x1902.jpg 1268w, https:\/\/extension.umaine.edu\/blueberries\/wp-content\/uploads\/sites\/41\/2019\/01\/Alnus-incana-ssp-rugosa-7-opt.jpg 1333w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,682px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><strong>Description:<\/strong><\/p>\n\n\n\n<p>&#8211; in New England, ssp. <em>rugosa<\/em> (Du Roi) Spreng.<\/p>\n\n\n\n<p>-Small shrub 5\u2032 to 20\u2032 tall or a tree up to 40\u2032<\/p>\n\n\n\n<p>-Bark dark brown and speckled with white streaks<\/p>\n\n\n\n<p>-twigs smooth to somewhat hairy, reddish-brown with scattered white lenticels<\/p>\n\n\n\n<p>-Buds blunt tipped, reddish- brown and stalked with two scales<\/p>\n\n\n\n<p>-leaves are<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Egg-shaped<\/li>\n\n\n\n<li>alternate leaves<\/li>\n\n\n\n<li>dark green<\/li>\n\n\n\n<li>hairless and wrinkled above, whitened, dull and somewhat hairy beneath.<\/li>\n\n\n\n<li>Margin double-toothed and undulating<\/li>\n<\/ul>\n\n\n\n<p>-Unisexual flowers; male catkin is 2\u2033-4\u2033 long and female catkin is 0.5\u2033-0.75\u2033 long<\/p>\n\n\n\n<p>-Nuts tiny and winged borne in a distinctive persistent cone-like structure<\/p>\n\n\n\n<p>&#8211; may be confused with <em>A. serrulata<\/em> or <em>A. viridis<\/em>; see left sidebar on <a href=\"https:\/\/gobotany.nativeplanttrust.org\/species\/alnus\/incana\/\" target=\"_blank\" rel=\"noopener noreferrer\">Go Botany<\/a> webpage<\/p>\n\n\n\n<p><strong>Habitat:<\/strong><\/p>\n\n\n\n<p>-disturbed sites<\/p>\n\n\n\n<p>-forest edges<\/p>\n\n\n\n<p>-meadows and fields<\/p>\n\n\n\n<p>-wetlands<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p>Sources:<\/p>\n\n\n\n<p>Go Botany. \u201cAlnus Incana (L.) Moench.\u201d <i>Alnus Incana (Speckled Alder): Go Botany<\/i>, 2021, gobotany.nativeplanttrust.org\/species\/alnus\/incana\/.<\/p>\n\n\n\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Prepared by Jennifer L. D&#8217;Appollonio, Assistant Scientist, University of Maine, Orono, ME 04469. Updated March 2018. Scientific name: Alnus incana (L.) Moench Common name(s): speckled alder, gray alder Links: USDA PLANTS Profile, NPIN Profile, Go Botany Description: &#8211; in New England, ssp. rugosa (Du Roi) Spreng. -Small shrub 5\u2032 to 20\u2032 tall or a tree [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"parent":3409,"menu_order":27,"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-5069","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Speckled Alder - 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\/speckled-alder\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Speckled Alder - 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. Updated March 2018. Scientific name: Alnus incana (L.) 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