{"id":12233,"date":"2020-11-10T10:07:37","date_gmt":"2020-11-10T10:07:37","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/coriaria-myrtifolia-l-3\/"},"modified":"2023-05-22T21:03:11","modified_gmt":"2023-05-22T21:03:11","slug":"coriaria-myrtifolia-l-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/coriaria-myrtifolia-l-3\/","title":{"rendered":"Coriaria myrtifolia L."},"content":{"rendered":"

Arbuste \u00e0 feuilles persistantes, fleurs unisexu\u00e9es et hermaphrodites sur un m\u00eame pied ou sur des pieds diff\u00e9rents. Jusqu\u2019\u00e0 2 m de haut, tr\u00e8s rameux, \u00e0 feuillage dense et rameaux flexibles, pendants. Tiges et rameaux les plus vieux \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e. Rameaux jeunes \u00e0 4 c\u00f4tes longitudinales qui naissent presque subt\u00e9tragonales, grises, et verd\u00e2tres celles de l\u2019ann\u00e9e. Feuilles (3-8 \u00d7 1-3,5 cm) oppos\u00e9es ou en verticilles de 3-4, ov\u00e9es-lanc\u00e9ol\u00e9es, aigu\u00ebs, courtement p\u00e9tiol\u00e9es, \u00e0 bord entier, pourvues de 3 nervures principales presque parall\u00e8les, coriaces, imberbes, de couleur vert vif sur les deux faces, sans stipules. Inflorescences rac\u00e9miformes, terminales. Fleurs pentam\u00e8res, unisexu\u00e9es ou hermaphrodites, \u00e0 long p\u00e9dicelle. Calice \u00e0 5 s\u00e9pales libres, ovales-lanc\u00e9ol\u00e9s, verts, \u00e0 tons rouge\u00e2tres. Corolle \u00e0 5 p\u00e9tales un peu plus courts que les s\u00e9pales, ovales-oblongs, verd\u00e2tres au centre, rouge\u00e2tres sur les bords. \u00c9tamines : 10, \u00e0 anth\u00e8res rouge\u00e2tres. Gyn\u00e9c\u00e9e compos\u00e9 de 5 carpelles libres, \u00e0 5 stigmates rouge\u00e2tres, tr\u00e8s longs et voyants. Le fruit est form\u00e9 par 5 ak\u00e8nes noirs envelopp\u00e9s par les s\u00e9pales et p\u00e9tales qui ont grandi, sont devenus charnus et embrassent le fruit \u00e0 mode de c\u00f4tes cannel\u00e9es ; d\u2019abord vertes, puis violac\u00e9es et finalement rouge vif, ces derni\u00e8res contrastent fortement avec la couleur noire des ak\u00e8nes. Le m\u00e9canisme de dispersion des graines est fort curieux : chaque ak\u00e8ne ne contient qu\u2019une graine qui, au moment de l\u2019ouverture subite de ce dernier, est \u00e9ject\u00e9e \u00e0 plusieurs m\u00e8tres de distance.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12233","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nCoriaria myrtifolia 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=\"Coriaria myrtifolia L. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste \u00e0 feuilles persistantes, fleurs unisexu\u00e9es et hermaphrodites sur un m\u00eame pied ou sur des pieds diff\u00e9rents. Jusqu\u2019\u00e0 2 m de haut, tr\u00e8s rameux, \u00e0 feuillage dense et rameaux flexibles, pendants. Tiges et rameaux les plus vieux \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e. 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