{"id":11628,"date":"2020-11-10T09:01:51","date_gmt":"2020-11-10T09:01:51","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/linum-l\/"},"modified":"2026-07-19T10:35:32","modified_gmt":"2026-07-19T10:35:32","slug":"linum-l","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/linum-l\/","title":{"rendered":"Linum L."},"content":{"rendered":"<p>Dans le N. de l\u2019Afrique, le genre est repr\u00e9sent\u00e9 par diverses esp\u00e8ces herbac\u00e9es ou \u00e0 tiges peu lignifi\u00e9es (lorsque ces derni\u00e8res sont lignifi\u00e9es, il s\u2019agit de cham\u00e6phytes ou h\u00e9micryptophytes d\u2019\u00e0 peine 0,5\u00a0m de haut). Une seule d\u2019entre elles, <strong>L. suffruticosum,<\/strong> poss\u00e8de des tiges nettement ligneuses, du moins \u00e0 la base, et d\u00e9passe assez fr\u00e9quemment 0,5\u00a0m de haut. Las autres esp\u00e8ces du genre, plus ou moins ligneuses mais moins robustes, correspondent \u00e0 des sous-arbrisseaux \u00e0 feuilles alternes et fleurs pentam\u00e8res.<\/p>\n<p><strong> L. narbonense <\/strong>L. [<em>Ara<\/em>. (Egipto): Orq-angebar], \u00e0 tiges lignifi\u00e9es \u00e0 la base et d\u00e9passant parfois 0,5\u00a0m de haut (en particulier lorsqu&rsquo;elle cro\u00eet au sein d\u2019une v\u00e9g\u00e9tation dense), est ais\u00e9ment diff\u00e9renciable de la pr\u00e9c\u00e9dente par ses feuilles planes, \u00e0 bord peu ou pas r\u00e9volut\u00e9, et ses fleurs \u00e0 p\u00e9tales [20-30(40)\u00a0mm)] bleus. Elle se d\u00e9veloppe pr\u00e9f\u00e9rablement sur terrains calcaires en M\u00e9diterran\u00e9e occidentale, dans le N. de l\u2019Afrique au N. du Maroc et N de l\u2019Alg\u00e9rie.<\/p>\n<p><strong> L. grandiflorum<\/strong> Desf., repr\u00e9sente un autre sous-arbrisseau du genre, tr\u00e8s caract\u00e9ristique et rare, \u00e0 feuilles lanc\u00e9ol\u00e9es, facilement diff\u00e9renciable par ses fleurs solitaires \u00e0 p\u00e9tales grands (environ 30\u00a0mm), de couleur rouge\u00e2tre et pourvus de nervures noires, ainsi que ses capsules de 8-10\u00a0mm. End\u00e9mique des provinces littorales du N.-E. du Maroc et du N.-O. de l\u2019Alg\u00e9rie. Les r\u00e9f\u00e9rences qui lui sont faites en Tunisie semblent \u00eatre attribuables \u00e0 des exemplaires issus de sp\u00e9cimens cultiv\u00e9s.<\/p>\n<p><strong> L. numidicum<\/strong> Murb. se distingue quant \u00e0 elle clairement par ses fleurs group\u00e9es, \u00e0 p\u00e9tales (15-24\u00a0mm) jaun\u00e2tres ou blanch\u00e2tre-jaun\u00e2tre, et ses capsules de 4-5\u00a0mm. Elle cro\u00eet en terrains g\u00e9n\u00e9ralement siliceux, en milieux subhumides et humides du N. du Maroc, N de l&rsquo;Alg\u00e9rie et N de la Tunisie.<\/p>\n<p>Esp\u00e8ces relativement communes, aucune d\u2019entre elles n\u2019\u00e9tant consid\u00e9r\u00e9e comme menac\u00e9e. Elles ne sont actuellement pas \u00e9valu\u00e9es \u00e0 l\u2019\u00e9chelle mondiale dans la Liste rouge des esp\u00e8ces de l\u2019UICN. Dans le Livre Rouge de la flore vasculaire du Maroc (Fennane, 2021), <em>L. narbonense<\/em> a \u00e9t\u00e9 consid\u00e9r\u00e9e comme En danger (EN). En Alg\u00e9rie, <em>L. grandiflorum<\/em> est incluse dans la Liste des esp\u00e8ces v\u00e9g\u00e9tales non cultiv\u00e9es prot\u00e9g\u00e9es (D\u00e9cret \u00a0ex\u00e9cutif 12-03 du 4 janvier 2012).<\/p>\n","protected":false},"template":"","class_list":["post-11628","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>Linum L. - 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=\"Linum L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Dans le N. de l\u2019Afrique, le genre est repr\u00e9sent\u00e9 par diverses esp\u00e8ces herbac\u00e9es ou \u00e0 tiges peu lignifi\u00e9es (lorsque ces derni\u00e8res sont lignifi\u00e9es, il s\u2019agit de cham\u00e6phytes ou h\u00e9micryptophytes d\u2019\u00e0 peine 0,5\u00a0m de haut). Une seule d\u2019entre elles, L. suffruticosum, poss\u00e8de des tiges nettement ligneuses, du moins \u00e0 la base, et d\u00e9passe assez fr\u00e9quemment 0,5\u00a0m...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northafricatrees.org\/generos\/linum-l-2\/\" \/>\n<meta property=\"og:site_name\" content=\"North Africa Trees\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-19T10:35:32+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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/linum-l-2\\\/\",\"url\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/linum-l-2\\\/\",\"name\":\"Linum L. - North Africa Trees\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/en\\\/#website\"},\"datePublished\":\"2020-11-10T09:01:51+00:00\",\"dateModified\":\"2026-07-19T10:35:32+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/linum-l-2\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/linum-l-2\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.northafricatrees.org\\\/generos\\\/linum-l-2\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Portada\",\"item\":\"https:\\\/\\\/www.northafricatrees.org\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Linum L.\"}]},{\"@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":"Linum L. - North Africa Trees","robots":{"index":"noindex","follow":"follow"},"og_locale":"fr_FR","og_type":"article","og_title":"Linum L. - North Africa Trees","og_description":"Dans le N. de l\u2019Afrique, le genre est repr\u00e9sent\u00e9 par diverses esp\u00e8ces herbac\u00e9es ou \u00e0 tiges peu lignifi\u00e9es (lorsque ces derni\u00e8res sont lignifi\u00e9es, il s\u2019agit de cham\u00e6phytes ou h\u00e9micryptophytes d\u2019\u00e0 peine 0,5\u00a0m de haut). 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