{"id":12689,"date":"2020-11-10T10:08:11","date_gmt":"2020-11-10T10:08:11","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/rhamnus-alaternus-l-3\/"},"modified":"2026-07-24T10:58:19","modified_gmt":"2026-07-24T10:58:19","slug":"rhamnus-alaternus-l-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/rhamnus-alaternus-l-3\/","title":{"rendered":"Rhamnus alaternus L."},"content":{"rendered":"

Arbuste ou petit arbre \u00e0 feuilles persistantes, dio\u00efque, de jusqu\u2019\u00e0 8 m de haut. Tronc et vieux rameaux \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e et stri\u00e9e chez les exemplaires les plus \u00e2g\u00e9s. Ramilles jeunes glabres, rouge\u00e2tres, parfois pourpr\u00e9es. Feuilles (1-6 \u00d7 0,5-3 cm) alternes, ov\u00e9es, lanc\u00e9ol\u00e9es ou elliptiques, oblongues ou obovales, g\u00e9n\u00e9ralement aigu\u00ebs, att\u00e9nu\u00e9es \u00e0 la base, \u00e0 bord subentier ou dent\u00e9, \u00e0 4-6 paires de nervures lat\u00e9rales, glabres ou l\u00e9g\u00e8rement pulv\u00e9rulentes, de couleur vert vif sur l\u2019endroit, plus claires sur l\u2019envers. P\u00e9tiole court, \u00e0 stipules promptement caduques. Inflorescences en grappes axillaires peu denses. Fleurs verd\u00e2tre-jaun\u00e2tre, sessiles, celles de chaque sexe naissant sur des plantes diff\u00e9rentes. Calice tubuleux-campanul\u00e9, g\u00e9n\u00e9ralement \u00e0 5 lobules, lanc\u00e9ol\u00e9s, qui se recourbent progressivement vers l\u2019arri\u00e8re jusqu\u2019\u00e0 se replier sur la base du calice. Chez les fleurs femelles, les s\u00e9pales restent dress\u00e9s. Sans p\u00e9tales. \u00c9tamines \u00e0 anth\u00e8res jaunes, tr\u00e8s voyantes, en particulier suite au repliement des s\u00e9pales. Fruit en drupe, ov\u00e9e ou globuleuse, de 4-6 mm de diam\u00e8tre, d’abord verte, puis rouge et finalement noire ; il contient 2-4 graines qui pr\u00e9sentent un sillon sur leur face interne.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12689","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nRhamnus alaternus 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=\"Rhamnus alaternus L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste ou petit arbre \u00e0 feuilles persistantes, dio\u00efque, de jusqu\u2019\u00e0 8 m de haut. Tronc et vieux rameaux \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e et stri\u00e9e chez les exemplaires les plus \u00e2g\u00e9s. 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