{"id":12773,"date":"2020-11-10T10:08:17","date_gmt":"2020-11-10T10:08:17","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/rosa-pouzinii-tratt-3\/"},"modified":"2026-07-24T16:27:38","modified_gmt":"2026-07-24T16:27:38","slug":"rosa-pouzinii-tratt-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/rosa-pouzinii-tratt-3\/","title":{"rendered":"Rosa pouzinii Tratt."},"content":{"rendered":"<p>Arbuste caducifoli\u00e9, hermaphrodite, \u00e0 nombreuses tiges glabres, plus ou moins dress\u00e9es ou arqu\u00e9es, peu ou pas grimpantes, atteignant 2(4) m de haut, voire davantage s\u2019il se d\u00e9veloppe en sol humide de for\u00eats denses ou contre des murs ou rochers. Par rapport \u00e0 <em>R. canina<\/em> et aux autres esp\u00e8ces voisines, <em>R. pouzinii<\/em> poss\u00e8de des tiges beaucoup plus effil\u00e9es \u00e0 aiguillons tr\u00e8s \u00e9largis \u00e0 la base, tous de forme similaire. Ramilles et jeunes feuilles rouge\u00e2tres. Feuilles \u00e0 5-7(9) folioles de 13-35 \u00d7 8-26 mm, ovales-orbiculaires \u00e0 ovales-lanc\u00e9ol\u00e9es, plus ou moins aigu\u00ebs, \u00e0 base arrondie, bord serr\u00e9, \u00e0 denticulation double, non coriaces, glabres sur les deux faces, pourvues de quelques glandes sur l\u2019envers (du moins \u00e0 proximit\u00e9 de la nervure centrale). P\u00e9tiole et rachis glabres, \u00e0 glandes p\u00e9dicul\u00e9es et petits aiguillons. Stipules glabres, g\u00e9n\u00e9ralement sans aucun type de glandes, longuement soud\u00e9es au p\u00e9tiole. Inflorescences corymbiformes, fleurs solitaires (parfois g\u00e9min\u00e9es ou en groupes de 3), pourvues de 1-2 bract\u00e9es ovales-lanc\u00e9ol\u00e9es promptement caduques, \u00e0 p\u00e9dicelles de 12-20 mm, glabres mais \u00e0 glandes stipit\u00e9es. S\u00e9pales de 12-20 mm de long, \u00e0 6-20 lobules, poilus sur l&rsquo;endroit et glanduleux sur l\u2019envers, promptement repli\u00e9s vers l\u2019arri\u00e8re et caducs. Corolle blanc-ros\u00e2tre, de 20-40 mm de diam\u00e8tre, \u00e0 5 p\u00e9tales de 10-15 cm de large, un peu \u00e9chancr\u00e9s au sommet. Styles libres, sans poils ou tr\u00e8s peu nombreux. \u00c9tamines tr\u00e8s nombreuses, jaunes. Fruit (cynorrhodon) form\u00e9 d\u2019un ensemble fourni d\u2019ak\u00e8nes enferm\u00e9s dans un r\u00e9ceptacle ou urc\u00e9ole, d\u2019abord ovo\u00efde, vert et l\u00e9g\u00e8rement glanduleux, puis urc\u00e9ol\u00e9 \u00e0 ellipso\u00efde en m\u00fbrissant (7-11 mm de diam\u00e8tre), enti\u00e8rement glabre ou \u00e0 quelques glandes \u00e0 la base, de couleur rouge vif.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12773","species","type-species","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>Rosa pouzinii Tratt. - 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=\"Rosa pouzinii Tratt. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste caducifoli\u00e9, hermaphrodite, \u00e0 nombreuses tiges glabres, plus ou moins dress\u00e9es ou arqu\u00e9es, peu ou pas grimpantes, atteignant 2(4) m de haut, voire davantage s\u2019il se d\u00e9veloppe en sol humide de for\u00eats denses ou contre des murs ou rochers. 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