{"id":10434,"date":"2026-03-13T11:07:10","date_gmt":"2026-03-13T10:07:10","guid":{"rendered":"https:\/\/www.imbe.fr\/?p=10434"},"modified":"2026-03-13T12:14:05","modified_gmt":"2026-03-13T11:14:05","slug":"pour-ne-pas-perdre-la-boule","status":"publish","type":"post","link":"https:\/\/www.imbe.fr\/fr\/pour-ne-pas-perdre-la-boule\/","title":{"rendered":"Pour ne pas perdre la boule !"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10434\" class=\"elementor elementor-10434\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b9817e e-flex e-con-boxed e-con e-parent\" data-id=\"6b9817e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63e3bd0 elementor-widget elementor-widget-image\" data-id=\"63e3bd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"420\" src=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-1024x537.png\" class=\"attachment-large size-large wp-image-10446\" alt=\"\" srcset=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-1024x537.png 1024w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-300x157.png 300w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-768x403.png 768w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-1536x806.png 1536w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-scaled.png 2048w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-18x9.png 18w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/03\/T.-Gauquelin-1320x693.png 1320w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b93694 elementor-widget elementor-widget-heading\" data-id=\"4b93694\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi les v\u00e9g\u00e9taux des milieux extr\u00eames sont\u2011ils souvent en forme de boule ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2702b60 elementor-widget elementor-widget-text-editor\" data-id=\"2702b60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les milieux extr\u00eames, tels que la haute montagne m\u00e9diterran\u00e9enne ou alpine, les environnements arides ou pr\u00e9sahariens, ou encore le littoral, sont souvent colonis\u00e9s par des <strong data-start=\"421\" data-end=\"473\">v\u00e9g\u00e9taux vivaces \u00e0 port caract\u00e9ristique en boule<\/strong>. Ces spectaculaires coussinets h\u00e9misph\u00e9riques, plaqu\u00e9s contre le sol, peuvent parfois \u00eatre <strong data-start=\"565\" data-end=\"604\">quasiment exclusifs dans le paysage<\/strong>, donnant aux versants et plateaux un aspect \u00e9tonnamment sculptural.<\/p><p>Ces formes en coussinet ne constituent pas une simple accommodation ou r\u00e9action \u00e0 un facteur ext\u00e9rieur, comme le seraient les an\u00e9momorphoses, ces modifications de la forme des plantes et des paysages v\u00e9g\u00e9taux sous l\u2019effet des vents dominants. C\u2019est ici une adaptation des v\u00e9g\u00e9taux, inscrite dans leur patrimoine g\u00e9n\u00e9tique et r\u00e9sultant d\u2019une \u00e9volution \u00e0 l\u2019\u00e9chelle de millions d\u2019ann\u00e9es.\u00a0<\/p><p>Limiter la transpiration, cr\u00e9er un microclimat au sein de la touffe, \u00e9taler la floraison et optimiser la pollinisation&#8230;<strong>Venez d\u00e9couvrir dans cet <a href=\"https:\/\/theconversation.com\/pourquoi-les-vegetaux-des-milieux-extremes-sont-ils-souvent-en-forme-de-boule-275452\" target=\"_blank\" rel=\"noopener\">article publi\u00e9 par T. Gauquelin dans <em>The Conversation<\/em><\/a>, les nombreux atouts que cette forme comporte pour tirer au mieux partie des ressources rares et des contraintes nombreuses des milieux extr\u00eames.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Pourquoi les v\u00e9g\u00e9taux des milieux extr\u00eames sont\u2011ils souvent en forme de boule ? Les milieux extr\u00eames, tels que la haute montagne m\u00e9diterran\u00e9enne ou alpine, les environnements arides ou pr\u00e9sahariens, ou [&hellip;]<\/p>\n","protected":false},"author":300,"featured_media":10446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-10434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publication"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/10434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/users\/300"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/comments?post=10434"}],"version-history":[{"count":5,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/10434\/revisions"}],"predecessor-version":[{"id":10477,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/10434\/revisions\/10477"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media\/10446"}],"wp:attachment":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media?parent=10434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/categories?post=10434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/tags?post=10434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}