{"id":11109,"date":"2020-11-10T09:01:16","date_gmt":"2020-11-10T09:01:16","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/dittrichia-greuter\/"},"modified":"2026-07-28T11:34:35","modified_gmt":"2026-07-28T11:34:35","slug":"dittrichia-greuter","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/dittrichia-greuter\/","title":{"rendered":"Dittrichia Greuter"},"content":{"rendered":"<p>Genre comprenant 2 esp\u00e8ces, traditionnellement incluses dans le genre <em>Inula<\/em> L., et toutes deux pr\u00e9sentes dans le N. de l\u2019Afrique\u00a0: la premi\u00e8re herbac\u00e9e [<em>D. graveolens<\/em> (L.) Greuter] et la seconde ligneuse (<a href=\"https:\/\/www.northafricatrees.org\/fr\/esp%C3%A8ce\/dittrichia-viscosa-l-greuter-3\/\"><strong>D. viscosa<\/strong><\/a>).<\/p>\n<p>Une esp\u00e8ce apparent\u00e9e (appartenant pr\u00e9c\u00e9demment au m\u00eame genre <em>Inula<\/em>), <strong>Limbarda crithmoides<\/strong> (L.) Dumort. (<em>Inula crithmoides<\/em> L.) [<em>Ara<\/em>. (\u00c9gypte)\u00a0: Hatab zeiti] pr\u00e9sente un port plus r\u00e9duit, de jusqu\u2019\u00e0 0,8(1)\u00a0m de haut, et poss\u00e8de des tiges \u00e9galement ligneuses et un peu tortueuses \u00e0 la base, puis dress\u00e9es et de moins en moins ligneuses jusqu\u2019\u00e0 devenir herbac\u00e9es. Contrairement \u00e0 <em>D. viscosa<\/em>, il s\u2019agit d\u2019une plante \u00e0 feuilles de 2-6\u00a0\u00d7\u00a00,2-0,8\u00a0cm, charnues, lin\u00e9aires, \u00e0 bord entier ou \u00e0 sommet trident\u00e9. Le pappus de ses ak\u00e8nes, l\u00e9g\u00e8rement plus petit que ceux de <em>D. viscosa<\/em> (1,5-2,5 mm), est form\u00e9 de poils scabres libres \u00e0 la base. Dans le N. de l\u2019Afrique, elle appara\u00eet du Maroc \u00e0 l\u2019\u00c9gypte au sein de marais et formations rocheuses littorales et dans les zones humides \u00e0 sols saum\u00e2tres ou salins de l\u2019int\u00e9rieur. Esp\u00e8ce commune et \u00e0 aire de r\u00e9partition vaste. Elle n\u2019est actuellement pas \u00e9valu\u00e9e \u00e0 l\u2019\u00e9chelle mondiale dans la Liste rouge des esp\u00e8ces de l\u2019UICN. Dans la liste rouge mise \u00e0 jour de l&rsquo;\u00c9gypte (Shaltout &amp; Bedair, 2023), a \u00e9t\u00e9 consid\u00e9r\u00e9e comme Pr\u00e9occupation mineure (LC).<\/p>\n","protected":false},"template":"","class_list":["post-11109","genus","type-genus","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dittrichia Greuter - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dittrichia Greuter - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Genre comprenant 2 esp\u00e8ces, traditionnellement incluses dans le genre Inula L., et toutes deux pr\u00e9sentes dans le N. de l\u2019Afrique\u00a0: la premi\u00e8re herbac\u00e9e [D. graveolens (L.) Greuter] et la seconde ligneuse (D. viscosa). Une esp\u00e8ce apparent\u00e9e (appartenant pr\u00e9c\u00e9demment au m\u00eame genre Inula), Limbarda crithmoides (L.) Dumort. (Inula crithmoides L.) [Ara. (\u00c9gypte)\u00a0: Hatab zeiti] pr\u00e9sente un...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northafricatrees.org\/generos\/dittrichia-greuter-3\/\" \/>\n<meta property=\"og:site_name\" content=\"North Africa Trees\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-28T11:34:35+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/dittrichia-greuter-3\\\/\",\"url\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/dittrichia-greuter-3\\\/\",\"name\":\"Dittrichia Greuter - North Africa Trees\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#website\"},\"datePublished\":\"2020-11-10T09:01:16+00:00\",\"dateModified\":\"2026-07-28T11:34:35+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/dittrichia-greuter-3\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/dittrichia-greuter-3\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/dittrichia-greuter-3\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/www.northafricatrees.org\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dittrichia Greuter\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/\",\"name\":\"North Africa Trees\",\"description\":\"\u00c1rboles y arbustos aut\u00f3ctonos del Norte de \u00c1frica\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#organization\",\"name\":\"North \u00e1frica trees\",\"url\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.northafricatrees.org\\\/wp-content\\\/uploads\\\/2020\\\/10\\\/logo-north-africa-trees.png\",\"contentUrl\":\"https:\\\/\\\/www.northafricatrees.org\\\/wp-content\\\/uploads\\\/2020\\\/10\\\/logo-north-africa-trees.png\",\"width\":80,\"height\":70,\"caption\":\"North \u00e1frica trees\"},\"image\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Dittrichia Greuter - North Africa Trees","robots":{"index":"noindex","follow":"follow"},"og_locale":"fr_FR","og_type":"article","og_title":"Dittrichia Greuter - North Africa Trees","og_description":"Genre comprenant 2 esp\u00e8ces, traditionnellement incluses dans le genre Inula L., et toutes deux pr\u00e9sentes dans le N. de l\u2019Afrique\u00a0: la premi\u00e8re herbac\u00e9e [D. graveolens (L.) 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