{"id":11193,"date":"2026-04-21T11:52:08","date_gmt":"2026-04-21T09:52:08","guid":{"rendered":"https:\/\/www.imbe.fr\/?p=11193"},"modified":"2026-04-21T11:52:08","modified_gmt":"2026-04-21T09:52:08","slug":"isolee-mais-pas-seule-une-plante-rare-attire-une-plus-grande-diversite-de-visiteurs-floraux-quune-plante-commune-chez-teucrium-lamiaceae","status":"publish","type":"post","link":"https:\/\/www.imbe.fr\/fr\/isolee-mais-pas-seule-une-plante-rare-attire-une-plus-grande-diversite-de-visiteurs-floraux-quune-plante-commune-chez-teucrium-lamiaceae\/","title":{"rendered":"Isol\u00e9e mais pas seule : une plante rare attire une plus grande diversit\u00e9 de visiteurs floraux qu\u2019une plante commune chez Teucrium (Lamiaceae)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"11193\" class=\"elementor elementor-11193\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-45883f3 e-flex e-con-boxed e-con e-parent\" data-id=\"45883f3\" 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-a6dd14a elementor-widget elementor-widget-text-editor\" data-id=\"a6dd14a\" 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>Dans le sud de la France, au sein du Parc national des Calanques, <em>Teucrium polium<\/em> subsp. <em>purpurascens<\/em>\u00a0(Lamiac\u00e9es) est une plante rare et menac\u00e9e, limit\u00e9e principalement \u00e0 l&#8217;archipel du Frioul, habitat littoral insulaires proche du continent. Afin de mieux comprendre ses interactions \u00e9cologiques, cette \u00e9tude a compar\u00e9 ses visiteurs floraux \u00e0 ceux d\u2019une plante\u00a0du m\u00eame genre mais plus commune, <em>Teucrium flavum<\/em>.<\/p><p><a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11258-026-01625-2\" target=\"_blank\" rel=\"noopener\">Publi\u00e9 dans Plant Ecology<\/a>, ce travail de <a href=\"https:\/\/www.imbe.fr\/fr\/annuaire\/claire-bouchot\/\">Claire Bouchot<\/a>,\u00a0 <a href=\"https:\/\/www.imbe.fr\/fr\/annuaire\/laurence-affre\/\">Laurence Affre <\/a>, Cl\u00e9ment Beaumont , <a href=\"https:\/\/www.imbe.fr\/fr\/annuaire\/gabriel-neve\/\">Gabriel N\u00e8ve<\/a> et\u00a0Beno\u00eet Geslin, met en \u00e9vidence une <strong>forte diff\u00e9renciation des communaut\u00e9s de pollinisateurs<\/strong> entre les deux plantes:<\/p><ul><li><em>T. p. purpurascens<\/em> est visit\u00e9e par une diversit\u00e9 \u00e9lev\u00e9e d\u2019insectes pollinisateurs (Hym\u00e9nopt\u00e8res, Dipt\u00e8res, L\u00e9pidot\u00e8res et Col\u00e9opt\u00e8res).<\/li><li><em>T. flavum<\/em> est principalement butin\u00e9e par des abeilles, soit une communaut\u00e9 plus sp\u00e9cialis\u00e9e.<\/li><\/ul><p>\u00a0<\/p><p>Les deux\u00a0plantes\u00a0pr\u00e9sentent \u00e9galement <strong>des strat\u00e9gies d\u2019attractivit\u00e9 florale distinctes<\/strong> :<\/p><ul><li><em>T. p. purpurascens<\/em> produit de nombreuses petites fleurs riches en nectar tr\u00e8s concentr\u00e9, attirant notamment une guilde de petites abeilles \u00e0 langue courte.<\/li><li><em>T. flavum<\/em> offre \u00e0 l&#8217;inverse des fleurs de plus grande taille en nombre r\u00e9duit, comportant un nectar plus abondant et moins concentr\u00e9, attirant alors pr\u00e9f\u00e9rentiellement des abeilles de grande taille \u00e0 longue langue.<\/li><\/ul><p>\u00a0<\/p><p><strong>Ainsi, malgr\u00e9 leur proximit\u00e9 phylog\u00e9n\u00e9tique, ces deux esp\u00e8ces illustrent des strat\u00e9gies \u00e9cologiques contrast\u00e9es, fa\u00e7onnant des r\u00e9seaux de pollinisation distincts dans un m\u00eame environnement.\u00a0<\/strong><\/p>\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-720d629 elementor-widget elementor-widget-image\" data-id=\"720d629\" 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=\"450\" src=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-1024x576.jpg\" class=\"attachment-large size-large wp-image-11195\" alt=\"\" srcset=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-1024x576.jpg 1024w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-300x169.jpg 300w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-768x432.jpg 768w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-1536x864.jpg 1536w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-18x10.jpg 18w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum-1320x743.jpg 1320w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-flavum.jpg 1920w\" 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-94b4ac5 elementor-widget elementor-widget-image\" data-id=\"94b4ac5\" 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 decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-1024x576.jpg\" class=\"attachment-large size-large wp-image-11196\" alt=\"\" srcset=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-1024x576.jpg 1024w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-300x169.jpg 300w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-768x432.jpg 768w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-1536x864.jpg 1536w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-18x10.jpg 18w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens-1320x743.jpg 1320w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2026\/04\/T.-p.-purpurascens.jpg 1920w\" 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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Dans le sud de la France, au sein du Parc national des Calanques, Teucrium polium subsp. purpurascens\u00a0(Lamiac\u00e9es) est une plante rare et menac\u00e9e, limit\u00e9e principalement \u00e0 l&#8217;archipel du Frioul, habitat [&hellip;]<\/p>\n","protected":false},"author":300,"featured_media":11195,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-11193","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\/11193","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=11193"}],"version-history":[{"count":5,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/11193\/revisions"}],"predecessor-version":[{"id":11200,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/11193\/revisions\/11200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media\/11195"}],"wp:attachment":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media?parent=11193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/categories?post=11193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/tags?post=11193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}