{"id":11499,"date":"2020-11-10T09:01:43","date_gmt":"2020-11-10T09:01:43","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/greuteria-amirahmadi-kaz-osaloo\/"},"modified":"2026-07-23T11:11:43","modified_gmt":"2026-07-23T11:11:43","slug":"greuteria-amirahmadi-kaz-osaloo","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/greuteria-amirahmadi-kaz-osaloo\/","title":{"rendered":"Greuteria Amirahmadi &#038; Kaz. Osaloo"},"content":{"rendered":"<p>G\u00e9nero comprenant 2 esp\u00e8ces dans le N.-O. de l\u2019Afrique, petits arbres ou arbustes\u00a0: <strong>G. argyrea<\/strong> et <strong>G. menbranacea<\/strong>, \u00e0 tiges et rameaux ligneux. Ces esp\u00e8ces \u00e9taient incluses dans le genre <strong>Hedysarum <\/strong>L. jusqu\u2019\u00e0 ce qu\u2019elles aient \u00e9t\u00e9 r\u00e9cemment s\u00e9par\u00e9es sur la base de diff\u00e9rences mol\u00e9culaires et morphologiques inportantes. D\u2019autres esp\u00e8ces du genre, \u00e0 souche ligneuse, tiges parfois un peu lignifi\u00e9es \u00e0 la base et d\u00e9passant fr\u00e9quemment 50\u00a0cm de haut, ont \u00e9t\u00e9 maintenues dans le genre <em>Hedysarum<\/em>. Elles sont\u00a0:<\/p>\n<p><strong> G. coronarium <\/strong>L., <span class=\"HwtZe\" lang=\"fr\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">C&rsquo;est une plante herbac\u00e9e vivace atteignant 50 \u00e0 70(100) cm de hauteur, parfois dot\u00e9e d&rsquo;un rhizome ligneux portant six tiges dress\u00e9es.<\/span><\/span> F<span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">euilles \u00e0 2-5 paires de folioles de 6-25(35) mm de large, la foliole terminale \u00e9tant plus grande que les lat\u00e9rales. Les fleurs sont regroup\u00e9es en grappes denses \u00e0 20-30 fleurs pouvant atteindre 20-30 cm de longueur.<\/span><\/span> C<span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">orolle d&rsquo;un rouge violac\u00e9 plus ou moins intense, avec un \u00e9tendard de 15-18 mm, nettement plus long que la car\u00e8ne.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Le fruit, droit et lomenteux, est compos\u00e9 de 2-4 segments, glabre mais couvert d&rsquo;\u00e9pines jaun\u00e2tres et recourb\u00e9es.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Largement cultiv\u00e9e comme plante fourrag\u00e8re dans le bassin m\u00e9diterran\u00e9en, il est parfois difficile de distinguer les populations naturelles des populations naturalis\u00e9es.<\/span><\/span> <span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">On le conna\u00eet au Maroc (Tanger, Rif, Gareb, Imensuren, Mamora), en Alg\u00e9rie, en Tunisie et dans le nord de la Libye et en \u00c9gypte (pyramides de Gizeh).<\/span><\/span><\/span><\/p>\n<p><strong> G. boveanum <\/strong>Bunge ex Basiner est un sous-arbuste pubescent, atteignant 50\u00a0cm, \u00e0 tiges tr\u00e8s ramifi\u00e9es, dress\u00e9es ou ascendantes. Feuilles \u00e0 (3)5-13 paire) de folioles petites (4-13\u00a0\u00d7\u00a02-5\u00a0mm). Inflorescences rac\u00e9meuses, g\u00e9n\u00e9ralement l\u00e2ches, \u00e0 7-20 fleurs de corolle violet-pourpr\u00e9, \u00e0 \u00e9tendard de 7-13\u00a0mm, nettement plus court que la car\u00e8ne. Fruit droit, lomentac\u00e9, \u00e0 indument dense de poils courts et segments pr\u00e9sentant ou non des \u00e9pines jaun\u00e2tres. Il s\u2019agit d\u2019une plante de la M\u00e9diterran\u00e9e occidentale (Espagne, France, Maroc, Alg\u00e9rie et Tunisie). Dans le N. de l\u2019Afrique sont semble-t-il \u00e9galement pr\u00e9sentes la subsp. <strong>europaeum<\/strong> Guitt. &amp; Kergu\u00e9len (Maroc\u00a0: Guercif) et, plus largement r\u00e9partie, la subsp. <strong>boveanum<\/strong> (Maroc, Alg\u00e9rie et Tunisie).<\/p>\n<p>Esp\u00e8ces peu communes et \u00e0 aire de r\u00e9partition restreinte, 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>H. coronarium<\/em> a \u00e9t\u00e9 consid\u00e9r\u00e9e comme Pr\u00e9occupation mineure (LC) et <em>H. boveanum<\/em> comme Donn\u00e9es insuffisantes (DD).<\/p>\n","protected":false},"template":"","class_list":["post-11499","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>Greuteria Amirahmadi &amp; Kaz. Osaloo - 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=\"Greuteria Amirahmadi &amp; Kaz. 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