{"id":12626,"date":"2020-11-10T10:08:06","date_gmt":"2020-11-10T10:08:06","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/castanea-sativa-mill-3\/"},"modified":"2021-10-22T10:06:58","modified_gmt":"2021-10-22T10:06:58","slug":"castanea-sativa-mill-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/castanea-sativa-mill-3\/","title":{"rendered":"Castanea sativa Mill."},"content":{"rendered":"

Arbre caducifoli\u00e9, mono\u00efque, atteignant 20-30 m de haut, \u00e0 port arrondi. Tronc droit, pouvant atteindre 1 m de diam\u00e8tre ou plus, particuli\u00e8rement chez les exemplaires cultiv\u00e9s, \u00e0 tronc plus court et plus \u00e9pais. \u00c9corce brun-gris\u00e2tre, tr\u00e8s fonc\u00e9e et fendill\u00e9e longitudinalement chez les exemplaires \u00e2g\u00e9s. Rameaux et troncs jeunes \u00e0 \u00e9corce verd\u00e2tre, presque lisse. Ramilles de l\u2019ann\u00e9e vert-rouge\u00e2tre. Feuilles oppos\u00e9es, grandes (10-25 \u00d7 4-8 cm), lanc\u00e9ol\u00e9es, \u00e0 bord grossi\u00e8rement serr\u00e9, un peu coriaces, vert fonc\u00e9 sur l’endroit et un peu plus claires sur l’envers. Fleurs group\u00e9es en longs \u00e9pis qui naissent \u00e0 l\u2019aisselle des feuilles. Les fleurs m\u00e2les se pr\u00e9sentent sur presque toute la longueur de l\u2019\u00e9pi, o\u00f9 elles forment de petits groupes qui naissent \u00e0 l\u2019aisselle d\u2019une bract\u00e9e ov\u00e9e. Les fleurs femelles, g\u00e9n\u00e9ralement group\u00e9es par 3 \u00e0 la base de l\u2019\u00e9pi sur un involucre commun, sont ovo\u00efdes, de jusqu\u2019\u00e0 4 cm de diam\u00e8tre chez les arbres cultiv\u00e9s et beaucoup petites chez les exemplaires sauvages. Le fruit ou ak\u00e8ne est la ch\u00e2taigne, se pr\u00e9sentant sous la forme d’une graine \u00e0 coque indur\u00e9e brun-rouge\u00e2tre, brillante et glabre \u00e0 l\u2019ext\u00e9rieur, blanch\u00e2tre-velout\u00e9e \u00e0 l\u2019int\u00e9rieur. Les ch\u00e2taignes se pr\u00e9sentent par 1-3 \u00e0 l\u2019int\u00e9rieur d\u2019une enveloppe h\u00e9riss\u00e9e de longues \u00e9pines (bogue), qui s\u2019ouvre en 2-4 valves.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12626","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nCastanea sativa Mill. - 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=\"Castanea sativa Mill. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbre caducifoli\u00e9, mono\u00efque, atteignant 20-30 m de haut, \u00e0 port arrondi. Tronc droit, pouvant atteindre 1 m de diam\u00e8tre ou plus, particuli\u00e8rement chez les exemplaires cultiv\u00e9s, \u00e0 tronc plus court et plus \u00e9pais. \u00c9corce brun-gris\u00e2tre, tr\u00e8s fonc\u00e9e et fendill\u00e9e longitudinalement chez les exemplaires \u00e2g\u00e9s. Rameaux et troncs jeunes \u00e0 \u00e9corce verd\u00e2tre, presque lisse. 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