{"id":13523,"date":"2020-11-10T10:09:22","date_gmt":"2020-11-10T10:09:22","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/carthamus-arborescens-l-3\/"},"modified":"2026-08-07T19:01:33","modified_gmt":"2026-08-07T19:01:33","slug":"carthamus-arborescens-l-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/carthamus-arborescens-l-3\/","title":{"rendered":"Carthamus arborescens L."},"content":{"rendered":"

Arbuste tr\u00e8s piquant, \u00e0 feuilles persistantes, hermaphrodite, de jusqu\u2019\u00e0 1,5(3)\u00a0m de haut, tr\u00e8s rameux, \u00e0 port dress\u00e9 mais plus ou moins tortueux. Tige principale et rameaux vieux ligneux, \u00e0 bois tr\u00e8s dur. \u00c9corce blanch\u00e2tre-gris\u00e2tre. Le tronc principal et les parties plus anciennes des rameaux apparaissent nus, puis la partie plus ou moins m\u00e9diane des rameaux est dens\u00e9ment couverte de feuilles s\u00e8ches, blanch\u00e2tres-gris\u00e2tres, et enfin la partie sup\u00e9rieure est couverte de feuilles vertes. Ramilles jeunes vertes. D\u2019une mani\u00e8re g\u00e9n\u00e9rale, et \u00e0 exception du tronc et des plus vieux rameaux, l\u2019arbuste est couvert de nombreux poils glanduleux, ce qui lui conf\u00e8re un toucher collant et une forte odeur caract\u00e9ristique. Feuilles alternes, longuement ovales, \u00e0 grands lobes triangulaires-spinescents, plus ou moins rigides, vertes sur les deux faces, bien qu\u2019elles puissent \u00eatre verd\u00e2tre-jaun\u00e2tre dans la partie basale et m\u00e9diane, sessiles dans la partie sup\u00e9rieure des rameaux, plus ou moins amplexicaules dans la partie inf\u00e9rieure. Les feuilles s\u00e8ches tardent plusieurs ann\u00e9es \u00e0 se d\u00e9tacher des rameaux. Inflorescences en capitules solitaires, g\u00e9n\u00e9ralement terminaux, d\u2019environ 3,5-4,5\u00a0\u00d7\u00a02,5-3,5\u00a0cm, ovo\u00efdes, entour\u00e9s \u00e0 la base par des bract\u00e9es tr\u00e8s semblables aux feuilles, de la m\u00eame longueur ou un peu plus longues que le capitule, les autres bract\u00e9es de l\u2019involucre \u00e9tant plus ou moins ov\u00e9es-lanc\u00e9ol\u00e9es, enti\u00e8res ou dent\u00e9es-spinescentes. Fleurs tubuleuses, r\u00e9guli\u00e8res, sans ligules, tr\u00e8s saillantes au-dessus des bract\u00e9es, jaunes. Fruit en petit ak\u00e8ne allong\u00e9 subt\u00e9tragonal, \u00e0 surface brune et tr\u00e8s rugueuse, et houppe de poils caducs, qui se d\u00e9tachent facilement au toucher.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-13523","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nCarthamus arborescens 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=\"Carthamus arborescens L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste tr\u00e8s piquant, \u00e0 feuilles persistantes, hermaphrodite, de jusqu\u2019\u00e0 1,5(3)\u00a0m de haut, tr\u00e8s rameux, \u00e0 port dress\u00e9 mais plus ou moins tortueux. Tige principale et rameaux vieux ligneux, \u00e0 bois tr\u00e8s dur. \u00c9corce blanch\u00e2tre-gris\u00e2tre. 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