{"id":11631,"date":"2020-11-10T09:01:51","date_gmt":"2020-11-10T09:01:51","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/hypericum-l\/"},"modified":"2026-07-19T10:22:41","modified_gmt":"2026-07-19T10:22:41","slug":"hypericum-l","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/hypericum-l\/","title":{"rendered":"Hypericum L."},"content":{"rendered":"<p>Genre repr\u00e9sent\u00e9 par environ 20 esp\u00e8ces dans le N. de l\u2019Afrique, dont seulement une, <strong>H. hircinum <\/strong>est arbustive. D\u2019autres, telles que <strong>H. androsaemum<\/strong><em>, <\/em><strong>H. afrum<\/strong> et <strong>H. aegyptium<\/strong> notamment, poss\u00e8dent des tiges un peu lignifi\u00e9es, tout au moins \u00e0 la base, et d\u00e9passent fr\u00e9quemment 0,5 m de haut. Les autres sont de petites plantes herbac\u00e9es, g\u00e9n\u00e9ralement vivaces, mais peu ou pas ligneuses.<\/p>\n<p><strong> H. afrum<\/strong> Lam., \u00e0 feuilles petites (6-15\u00a0\u00d7\u00a02-5\u00a0mm), ondul\u00e9es-crisp\u00e9es, et fruit en capsule d\u00e9hiscente, end\u00e9mique de la Numidie et relativement rare, qui vit sur les rives des rivi\u00e8res et zones mar\u00e9cageuses au sein de localit\u00e9s isol\u00e9es de la Grande Kabylie (N. de l\u2019Alg\u00e9rie) au cap Serrat (N.-O. de la Tunisie).<\/p>\n<p><strong> H. aegypticum<\/strong> L. pr\u00e9sente \u00e9galement des feuilles tr\u00e8s petites (3-10\u00a0mm de long), \u00e0 bord entier, ni ondul\u00e9 ni crisp\u00e9, glauques, parfois imbriqu\u00e9es, \u00e0 p\u00e9tales, s\u00e9pales et \u00e9tamines persistants. Elle vit en zones rocheuses et pierreuses, en bioclimat principalement semi-aride, fr\u00e9quemment en bord de mer, dans diverses \u00eeles de la M\u00e9diterran\u00e9e orientale, au Maroc, en Alg\u00e9rie (Atlas saharien) et en Libye (Marmarique). Au Maroc appara\u00eet une sous-esp\u00e8ce end\u00e9mique, la subsp. <strong>maroccanum<\/strong> (Pau) N.Robson, r\u00e9partie principalement \u00e0 basse altitude dans les massifs montagneux de l\u2019Atlas saharien, de l\u2019Anti-Atlas et du Haut Atlas m\u00e9ridional.<\/p>\n<p><strong> H. androsaemum<\/strong> L., liano\u00efde, \u00e0 feuilles grandes (30-100\u00a0mm de long), ni ondul\u00e9es ni crisp\u00e9es, et \u00e0 fruits drupac\u00e9s caract\u00e9ristiques non d\u00e9hiscents, qui cro\u00eet dans la r\u00e9gion m\u00e9diterran\u00e9enne et les zones alentours. Dans le N. de l\u2019Afrique, elle appara\u00eet sur les sols les plus frais et humides du N. du Maroc et de l&rsquo;Alg\u00e9rie, ainsi que de l&rsquo;extr\u00e9mit\u00e9 N.-O. de la Tunisie.<\/p>\n<p><em>H. aegyptium<\/em> et <em>H. androsaemum<\/em> ne sont actuellement pas \u00e9valu\u00e9es \u00e0 l\u2019\u00e9chelle mondiale dans la Liste rouge des esp\u00e8ces de l\u2019UICN. <em>H. afrum<\/em> est consid\u00e9r\u00e9e comme Quasi menac\u00e9e (NT) \u00e0 l\u2019\u00e9chelle mondiale dans la Liste rouge des esp\u00e8ces de l\u2019UICN (Ali, 2010). Dans le Livre Rouge de la flore vasculaire du Maroc (Fennane, 2021) <em>H. androsaemum <\/em>a \u00e9t\u00e9 consid\u00e9r\u00e9e comme En danger critique (CR) et <em>H. aegypticum<\/em> comme Vuln\u00e9rable (VU). En Alg\u00e9rie, <em>H. aegyptiacum<\/em> est incluse dans la Liste des esp\u00e8ces v\u00e9g\u00e9tales non cultiv\u00e9es prot\u00e9g\u00e9es (d\u00e9cret ex\u00e9cutif 12-03 du 4 janvier 2012).<\/p>\n","protected":false},"template":"","class_list":["post-11631","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>Hypericum 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=\"Hypericum L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Genre repr\u00e9sent\u00e9 par environ 20 esp\u00e8ces dans le N. de l\u2019Afrique, dont seulement une, H. hircinum est arbustive. 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