{"id":1101,"date":"2022-04-24T17:46:54","date_gmt":"2022-04-24T15:46:54","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=1101"},"modified":"2024-11-11T18:34:49","modified_gmt":"2024-11-11T17:34:49","slug":"rumex-acetosella-petite-oseille","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=1101","title":{"rendered":"Rumex acetosella. Petite oseille."},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Petit rumex glabre pr\u00e9sentant des feuilles sagitt\u00e9es ou hast\u00e9es ou si lanc\u00e9ol\u00e9es ou lin\u00e9aires, pr\u00e9sentant une paire de lobes divergents \u00e0 la base. Feuilles toutes bien p\u00e9tiol\u00e9es. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les t\u00e9pales externes sont appliqu\u00e9s sur le fruit.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Panicules: verticilles de fleurs espac\u00e9s.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Photo 2: rosette hivernale.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"593\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie-1024x593.jpg\" alt=\"Rumex acetosella. rosette. Plantaria\" class=\"wp-image-1103\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie-1024x593.jpg 1024w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie-300x174.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie-768x445.jpg 768w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie-850x492.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/04\/IMG_20220115_141603-Copie.jpg 1279w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size\"><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Si les valves sont libres et laisse la possibilit\u00e9 de voir l&rsquo;ak\u00e8ne, il s&rsquo;agit de la sous-esp\u00e8ce acetosella. Sinon il s&rsquo;agit de la sous-esp\u00e8ce pyrenaicus, plus courante en Corse et \u00e0 l&rsquo;ouest du Rh\u00f4ne.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=Caryophyllales\">Caryophyllales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=polygonaceae\">Polygonaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=rumex\">Rumex<\/a> acetosella<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pelouses silicieuses acidophiles<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pelouses des sables continentaux acidophiles. Rumicenea acetosellae<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pour la sous-esp\u00e8ce pyrenaica (fruits plus longs, ne tombant pas: ak\u00e8nes soud\u00e9s aux perigones):<\/p>\n\n\n\n<p class=\"has-medium-font-size\">pelouses acidophiles montagnardes \u00e0 subalpines. Trifolio alpini &#8211; Meetalia athamantici; sous esp\u00e8ce pr\u00e9sent\u00e9e en IDF par Jauzein.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">La plante ici observ\u00e9e, dominante dans une prairie situ\u00e9e autour de 630 m au sud de la Marche.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Dans les prairies m\u00e9sotrophes (<a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348\/#Agrostio-stoloniferae-Arrhenatheretea-elatioris\">Agrostio stoloniferae \u2013 Arrhenatheretea elatioris<\/a>), la pr\u00e9sence de cette petite oseille distingue aussi la trophie l\u00e9g\u00e8re du sol originel: fait partie des esp\u00e8ces qui indiquent que des prairies ont \u00e9t\u00e9 \u00ab&nbsp;mont\u00e9es&nbsp;\u00bb sur des pelouses oligotrophes.<\/p>\n\n\n\n<p class=\"has-small-font-size\">Merci de consulter&nbsp;<a href=\"https:\/\/lecompagnonrouge.fr\/\">la charte de navigation<\/a>&nbsp;(notamment droits concernant les images)<\/p>\n\n\n\n<p>Lieu(x) o\u00f9 la plante est photographi\u00e9e: sud de la Creuse<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Petit rumex glabre pr\u00e9sentant des feuilles sagitt\u00e9es ou hast\u00e9es ou si lanc\u00e9ol\u00e9es ou lin\u00e9aires, pr\u00e9sentant une paire de lobes divergents \u00e0 la base. Feuilles toutes bien p\u00e9tiol\u00e9es. Les t\u00e9pales externes sont appliqu\u00e9s sur le fruit. Panicules: verticilles de fleurs espac\u00e9s. Photo 2: rosette hivernale. Si les valves sont libres et laisse la possibilit\u00e9 de voir&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1102,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[286,287],"tags":[285,284],"class_list":["post-1101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-polygonaceae","category-rumex-acetosella","tag-oseille","tag-petite-oseille"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Rumex acetosella. 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