{"id":10802,"date":"2020-11-10T08:58:13","date_gmt":"2020-11-10T08:58:13","guid":{"rendered":"https:\/\/www.northafricatrees.org\/family\/polygonaceae-juss-3\/"},"modified":"2021-09-12T20:08:42","modified_gmt":"2021-09-12T20:08:42","slug":"polygonaceae-juss-3","status":"publish","type":"family","link":"https:\/\/www.northafricatrees.org\/fr\/familles\/polygonaceae-juss-3\/","title":{"rendered":"POLYGONACEAE Juss."},"content":{"rendered":"<p>Famille constitu\u00e9e essentiellement de plantes herbac\u00e9es, quelques arbustes et plusieurs arbres, comprenant au moins 59 genres et environ 1380 esp\u00e8ces, \u00e0 aire de r\u00e9partition cosmopolite. La plupart des genres vivent dans les r\u00e9gions temp\u00e9r\u00e9es, bien que certains apparaissent en zones tropicales et subtropicales. Elle est repr\u00e9sent\u00e9e dans le N. de l\u2019Afrique par plusieurs genres, bien que seul <strong>Calligonum<\/strong> comprenne des arbres et des arbustes.<\/p>\n<p>Il convient n\u00e9anmoins de citer ici le genre <strong>Atraphaxis <\/strong>L., qui inclut un curieux sous-arbuste, <strong>A. spinosa<\/strong> L. (<em>Ara<\/em>.: Serra, saras), tr\u00e8s ligneux, spinescent, d\u2019\u00e0 peine 30 cm de haut, bien que pouvant atteindre 50(70) cm dans les zones peu p\u00e2tur\u00e9es \u00e0 bons sols, \u00e0 feuilles (0,3-1,2 \u00d7 0,2-1 cm) ovales-elliptiques, l\u00e9g\u00e8rement charnues, planes ou \u00e0 bord l\u00e9g\u00e8rement r\u00e9volut\u00e9, subsessiles, p\u00e9rianthe \u00e0 4 pi\u00e8ces blanch\u00e2tres, les 2 int\u00e9rieures plus grandes et plus voyantes, persistantes, et qui deviennent scarieuses et ros\u00e2tre-pourpr\u00e9 par le suite, entourant un petit fruit ovo\u00efde (3-4 mm) \u00e0 l\u2019aspect de samare. L\u2019esp\u00e8ce cro\u00eet dans les zones s\u00e8ches allant de l&rsquo;\u00c9gypte \u00e0 la Mongolie, tandis que la var. <strong>sinaica<\/strong> Boiss. est pr\u00e9sente dans le N.-E. de l\u2019\u00c9gypte, en Palestine et dans la p\u00e9ninsule arabique. Dans la Liste rouge des plantes vasculaires d\u2019\u00c9gypte (<em>Flora Aegyptiaca<\/em> Vol 1, 2000), elle est catalogu\u00e9e comme \u00ab vuln\u00e9rable \u00bb.<\/p>\n","protected":false},"template":"","name_html":"<strong>POLYGONACEAE <\/strong>Juss.","short_name":"POLYGONACEAE","short_description":"","references":"","custom_author":"F. Alcaraz & J. Charco.","genuses":false,"groups_keys":[{"ID":20563,"post_title":"Sous-arbrisseaux fortement spinescents, \u00e0 rameaux couverts de feuilles,  \tplus grandes (jusqu\u2019\u00e0 120 mm de long), persistantes","post_content":"","post_excerpt":"","post_author":"1","post_date":"2021-01-07 08:32:41","post_date_gmt":"2021-01-07 08:32:41","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"sous-arbrisseaux-fortement-spinescents-a-rameaux-couverts-de-feuilles-plus-grandes-jusqua-120-mm-de-long-persistantes","to_ping":"","pinged":"","post_modified":"2021-01-07 08:32:41","post_modified_gmt":"2021-01-07 08:32:41","post_content_filtered":"","post_parent":[],"guid":"https:\/\/www.northafricatrees.org\/family-group-key\/sous-arbrisseaux-fortement-spinescents-a-rameaux-couverts-de-feuilles-plus-grandes-jusqua-120-mm-de-long-persistantes\/","menu_order":0,"post_type":"family_group_key","post_mime_type":"","comment_count":"0","comments":false,"id":20563},{"ID":32453,"post_title":"Arbres et arbustes non spinescents, \u00e0 feuilles peu nombreuses et minuscules  (jusqu\u2019\u00e0 5 mm de long), \u00e9ph\u00e9m\u00e8res","post_content":"","post_excerpt":"","post_author":"1","post_date":"2021-02-23 13:42:36","post_date_gmt":"2021-02-23 13:42:36","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"arbres-et-arbustes-non-spinescents-a-feuilles-peu-nombreuses-et-minuscules-jusqua-5-mm-de-long-ephemeres","to_ping":"","pinged":"","post_modified":"2021-02-23 13:42:36","post_modified_gmt":"2021-02-23 13:42:36","post_content_filtered":"","post_parent":[],"guid":"https:\/\/www.northafricatrees.org\/family-group-key\/arbres-et-arbustes-non-spinescents-a-feuilles-peu-nombreuses-et-minuscules-jusqua-5-mm-de-long-ephemeres\/","menu_order":0,"post_type":"family_group_key","post_mime_type":"","comment_count":"0","comments":false,"id":32453}],"title_groups_keys":false,"images":false,"phylogenetic_order":"22","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.6.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>POLYGONACEAE Juss. - 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=\"POLYGONACEAE Juss. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Famille constitu\u00e9e essentiellement de plantes herbac\u00e9es, quelques arbustes et plusieurs arbres, comprenant au moins 59 genres et environ 1380 esp\u00e8ces, \u00e0 aire de r\u00e9partition cosmopolite. La plupart des genres vivent dans les r\u00e9gions temp\u00e9r\u00e9es, bien que certains apparaissent en zones tropicales et subtropicales. Elle est repr\u00e9sent\u00e9e dans le N. de l\u2019Afrique par plusieurs genres, bien...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northafricatrees.org\/fr\/familles\/polygonaceae-juss-3\/\" \/>\n<meta property=\"og:site_name\" content=\"North Africa Trees\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-12T20:08:42+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture est.\">\n\t<meta name=\"twitter:data1\" content=\"1 minute\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\",\"name\":\"North \\u00e1frica trees\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"sameAs\":[],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/10\/logo-north-africa-trees.png\",\"width\":80,\"height\":70,\"caption\":\"North \\u00e1frica trees\"},\"image\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.northafricatrees.org\/#website\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"name\":\"North Africa Trees\",\"description\":\"\\u00c1rboles y arbustos aut\\u00f3ctonos del Norte de \\u00c1frica\",\"publisher\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.northafricatrees.org\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.northafricatrees.org\/fr\/familles\/polygonaceae-juss-3\/#webpage\",\"url\":\"https:\/\/www.northafricatrees.org\/fr\/familles\/polygonaceae-juss-3\/\",\"name\":\"POLYGONACEAE Juss. - North Africa Trees\",\"isPartOf\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#website\"},\"datePublished\":\"2020-11-10T08:58:13+00:00\",\"dateModified\":\"2021-09-12T20:08:42+00:00\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.northafricatrees.org\/fr\/familles\/polygonaceae-juss-3\/\"]}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/family\/10802"}],"collection":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/family"}],"about":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/types\/family"}],"wp:attachment":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/media?parent=10802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}