{"id":13598,"date":"2018-08-03T14:06:19","date_gmt":"2018-08-03T14:06:19","guid":{"rendered":"http:\/\/www.uwb.edu\/?p=13598"},"modified":"2026-03-19T21:36:14","modified_gmt":"2026-03-19T21:36:14","slug":"populus-trichocarpa","status":"publish","type":"page","link":"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa","title":{"rendered":"Black cottonwood"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><em>Populus trichocarpa<\/em> &#8211; Black cottonwood<\/h2>\n\n\n\n<p>Formerly: <em>Populus balsamifera spp. trichocarpa<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">At a Glance:<\/h3>\n\n\n\n<figure class=\"wp-block-image alignright size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"350\" height=\"526\" src=\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png\" alt=\"round cottonwood seedpods\" class=\"wp-image-15885\" srcset=\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png 350w, https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde-200x300.png 200w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Family: Salicaceae<\/li>\n\n\n\n<li>Plant Type: deciduous, tall, erect tree<\/li>\n\n\n\n<li>Distribution: Widely distributed tree in western North America, Alaska to California, as far east as North Dakota.<\/li>\n\n\n\n<li>Habitat: In Washington state, this tree can be found along wetlands, streambanks, lake shores, and moist woods.<\/li>\n\n\n\n<li>Height: 50 meters tall<\/li>\n\n\n\n<li>Flowers\/Fruits: drooping catkins. Males are green to red, females are green\/pale yellow. <\/li>\n\n\n\n<li>Flowering Season: April &#8211; June<\/li>\n\n\n\n<li>Leaves: leathery\/waxy dark green upper surface, with a lighter green underside. Leaf shapes can vary between diamond or heart-shaped with a finely serrated margin.<\/li>\n\n\n\n<li>Generation: Perennial<\/li>\n\n\n\n<li>Bark: Mature bark is brown and rugged and looks similar to Douglas-fir\u2019s bark. <\/li>\n\n\n\n<li>Notable feature: 足彩app哪个是正规的 winter buds are yellow-brown and very pointed. 足彩app哪个是正规的y are covered in a resinous substance that is perfumed and smells like balsam. During the late spring, seeds are released in the wind with fine hairs.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Restoration and Conservation<\/h3>\n\n\n\n<p>Black cottonwoods are very fast growing and are easy to propagate with stem cuttings. 足彩app哪个是正规的 root systems help stabilize the soil, which is especially important for the restoration and conservation of riparian (river) areas they are commonly found growing in. Black cottonwood\u2019s have a high nitrate uptake making them useful tools for buffering agricultural areas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ethnobotany<\/h3>\n\n\n\n<p>Black cottonwood resin has disinfectant properties and has been used by Coast Salish people for sore throats and coughs as well as being applied directly to wounds to prevent infection. 足彩app哪个是正规的 more tender inner bark was used for food in the spring and summer, and old dead leaves were boiled and used in baths to treat body aches and stomach problems. 足彩app哪个是正规的 black cottonwoods are still used commercially for particle board, plywood and veneer. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">References and Resources<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/www.calflora.net\/bloomingplants\/blackcottonwood.html\">Calflora: Populus trichocarpa<\/a><\/li>\n\n\n\n<li>Pojar, J and MacKinnon, A. 2004. Plants of the Pacific Northwest Coast: Washington, Oregon, British Columbia and Alaska. Vancouver (BC): Lone Pine Publishing.<\/li>\n\n\n\n<li><a href=\"http:\/\/biology.burke.washington.edu\/herbarium\/imagecollection\/taxon.php?Taxon=Populus%20trichocarpa\">WTU Image Herbarium: Populus trichocarpa<\/a><\/li>\n<\/ul>\n\n\n\n<p><em>This article was written by Jessica Rouske and Sarah Verlinde. For questions regarding the UWB\/CC Plant Tour, contact Sarah at <a href=\"mailto:severlin@uw.edu?subject=Plant%20tag%20tour%20inquiry\">severlin@uw.edu<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Populus trichocarpa &#8211; Black cottonwood Formerly: Populus balsamifera spp. trichocarpa At a Glance: Restoration and Conservation Black cottonwoods are very fast growing and are easy to propagate with stem cuttings. 足彩app哪个是正规的 root systems help stabilize the soil, which is especially important for the restoration and conservation of riparian (river) areas they are commonly found growing&#8230;<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":13590,"menu_order":37,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"_is_archived":false,"_archived_contact_email":"","footnotes":""},"class_list":["post-13598","page","type-page","status-publish","hentry"],"acf":{"related_links":{"toggle_visibility":false,"link_1":"","link_2":"","link_3":"","link_4":"","link_5":""},"highlight_box":{"toggle_visibility":false,"title":"","content":"","button":"","button_style":"angled-purple-button","button_screen_reader_text":""},"contact_type_1":{"toggle_visibility":true,"contact_title":"Tyson Kemper","email":"wildhair@uw.edu","phone":"","box":"","address_line_1":"","address_line_2":"","location":""},"contact_type_2":{"toggle_visibility":false,"contact_title":"","email":"","phone":"","box":"","address_line_1":"","address_line_2":"","location":""},"social_media":{"toggle_visibility":false,"facebook_url":"","instagram_url":"","linkedin_url":"","twitter_url":"","youtube_url":""},"blog_archive_sidebar_visibility":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Black cottonwood - North Creek Wetland<\/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:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Black cottonwood - North Creek Wetland\" \/>\n<meta property=\"og:description\" content=\"Populus trichocarpa &#8211; Black cottonwood Formerly: Populus balsamifera spp. trichocarpa At a Glance: Restoration and Conservation Black cottonwoods are very fast growing and are easy to propagate with stem cuttings. 足彩app哪个是正规的 root systems help stabilize the soil, which is especially important for the restoration and conservation of riparian (river) areas they are commonly found growing...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa\" \/>\n<meta property=\"og:site_name\" content=\"North Creek Wetland\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-19T21:36:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png\" \/>\n\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t<meta property=\"og:image:height\" content=\"526\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa\",\"url\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa\",\"name\":\"Black cottonwood - North Creek Wetland\",\"isPartOf\":{\"@id\":\"https:\/\/www.uwb.edu\/wetland\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png\",\"datePublished\":\"2018-08-03T14:06:19+00:00\",\"dateModified\":\"2026-03-19T21:36:14+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa#primaryimage\",\"url\":\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png\",\"contentUrl\":\"https:\/\/www.uwb.edu\/wetland\/wp-content\/uploads\/sites\/21\/2023\/06\/populus-trichocarpa-by-sarah-verlinde.png\",\"width\":350,\"height\":526,\"caption\":\"round cottonwood seedpods\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.uwb.edu\/wetland\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Wetland and Greenhouse Plants\",\"item\":\"https:\/\/www.uwb.edu\/wetland\/plants\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Black cottonwood\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.uwb.edu\/wetland\/#website\",\"url\":\"https:\/\/www.uwb.edu\/wetland\/\",\"name\":\"North Creek Wetland\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.uwb.edu\/wetland\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Black cottonwood - North Creek Wetland","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.uwb.edu\/wetland\/plants\/populus-trichocarpa","og_locale":"en_US","og_type":"article","og_title":"Black cottonwood - North Creek Wetland","og_description":"Populus trichocarpa &#8211; 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