{"id":43049,"date":"2021-12-03T17:24:59","date_gmt":"2021-12-03T17:24:59","guid":{"rendered":"https:\/\/www.northafricatrees.org\/especies\/rosa-stylosa-desv\/"},"modified":"2026-07-24T16:19:49","modified_gmt":"2026-07-24T16:19:49","slug":"rosa-stylosa-desv","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/rosa-stylosa-desv\/","title":{"rendered":"Rosa stylosa Desv."},"content":{"rendered":"<p>Arbuste caducifoli\u00e9 mono\u00efque \u00e0 tiges \u00b1 dress\u00e9es, atteignant 2 m ; tiges glabres, vertes, rarement rouge\u00e2tres, \u00e0 aiguillons minces et parfois recourb\u00e9s, \u00e0 base ovale. Feuilles imparipenn\u00e9es, \u00e0 5-7 folioles (2,5-3 x 1,7-2,2 cm), ov\u00e9es \u00e0 ov\u00e9es-lanc\u00e9ol\u00e9es, aigu\u00ebs, \u00e0 base arrondie, bord doublement dent\u00e9, non coriaces, glabres sauf sur la nervure principale o\u00f9 elles sont un peu poilues et sans glandes, bien qu&rsquo;elles puissent parfois avoir des glandes espac\u00e9es. P\u00e9tiole et rachis glabres, bien que les zones d&rsquo;insertion des folioles puissent parfois \u00eatre poilues. Stipules variant de 1,3-3 x 0,6-1,2 cm. Fleurs hermaphrodites, 3-5, en cymes, parfois fleurs solitaires, \u00e0 1-2 bract\u00e9es plus courtes que les p\u00e9dicelles. P\u00e9dicelles de 0,9 \u00e0 1,9 cm, glabres, bien qu&rsquo;occasionnellement ils peuvent avoir des glandes. S\u00e9pales (1,8-2,2 x 3,5-4 cm), ov\u00e9s-lanc\u00e9ol\u00e9s, glabres ou poilus sur le dos, non glanduleux, r\u00e9flechis, caduques ; les externes \u00e0 3-6(8) lobes lat\u00e9raux in\u00e9gaux et les internes entiers. Corolle de 2,5-4 cm de diam\u00e8tre ; 5 p\u00e9tales, de 1,2-22 mm de large, \u00e9chancr\u00e9s au sommet, blanc ou rose p\u00e2le. Styles soud\u00e9s en colonne de moins de 0,5 mm, bien que parfois (dans la maturation de l&rsquo;urne) ils peuvent \u00eatre libres. \u00c9tamines tr\u00e8s nombreuses, jaunes. Le fruit est un ensemble de nombreux ak\u00e8nes enferm\u00e9s dans un r\u00e9ceptacle ou urne, ovo\u00efde ou urc\u00e9ol\u00e9, rouge et lisse (1,1-1,6 x 1-1,2 cm de diam\u00e8tre).<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-43049","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 stylosa Desv. - 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 stylosa Desv. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste caducifoli\u00e9 mono\u00efque \u00e0 tiges \u00b1 dress\u00e9es, atteignant 2 m ; tiges glabres, vertes, rarement rouge\u00e2tres, \u00e0 aiguillons minces et parfois recourb\u00e9s, \u00e0 base ovale. 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