{"id":7039,"date":"2011-08-23T11:30:56","date_gmt":"2011-08-23T09:30:56","guid":{"rendered":"http:\/\/jlggb.net\/blog2\/?p=7039"},"modified":"2020-04-22T21:13:11","modified_gmt":"2020-04-22T20:13:11","slug":"mauvaise-herbe-de-ville","status":"publish","type":"post","link":"https:\/\/jlggb.net\/blog2\/?p=7039","title":{"rendered":"Mauvaise herbe de ville"},"content":{"rendered":"<p><a href=\"https:\/\/jlggb.net\/blog2\/wp-content\/uploads\/2011\/08\/vergerette-93bis.jpg\" data-rel=\"lightbox-image-0\" data-imagelightbox=\"0\" data-rl_title=\"\" data-rl_caption=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7049\" title=\"\" src=\"https:\/\/jlggb.net\/blog2\/wp-content\/uploads\/2011\/08\/vergerette-93bis.jpg\" alt=\"\" width=\"640\" height=\"480\" \/><\/a><br \/>\nMardi 23 ao\u00fbt 2011, 12h. Il y a, dans la cour du 93bis, une plante venue spontan\u00e9ment, qui occupe \u00e0 part enti\u00e8re un grand pot, et qui est officialis\u00e9e par un tuteur. Mais, ces temps-ci, on croise cette fleur sans papiers \u00e0 chaque coin de rue. Pour l&rsquo;identifier, nos diverses flores n&rsquo;ont rien donn\u00e9. On lance donc une recherche sous Google avec l&rsquo;expression&nbsp;: \u00ab\u00a0mauvaise herbe de ville \u00bb. On passe par un site d\u00e9di\u00e9 aux plantes m\u00e9dicinales (vertus contre les h\u00e9morro\u00efdes, etc.), mais aussi par \u00ab esp\u00e8ces invasives \u00bb. Wikipedia donne des arguments convaincants&nbsp;: \u00ab\u00a0Originaire d&rsquo;Am\u00e9rique centrale et du nord, elle s&rsquo;est naturalis\u00e9e en Europe et est tr\u00e8s courante voire localement invasive. C&rsquo;est une mauvaise herbe de plus en plus fr\u00e9quente, notamment en ville et en milieu p\u00e9riurbain [\u2026] o\u00f9 elle peut pousser dans le moindre interstice. Habitat type&nbsp;: friches annuelles europ\u00e9ennes. Aire de r\u00e9partition&nbsp;: cosmopolite. \u00bb Pour le reste, la saison, la taille, la forme des feuilles, le fruit (ak\u00e8ne), etc., \u00e7a concorde. Il peut donc s&rsquo;agir,\u00a0de la famille des Ast\u00e9rac\u00e9es, de la vergerette du Canada (<em>Erigeron canadensis<\/em>) ou de la vergerette de Buenos Aires (<em>Erigeron bonariensis<\/em>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Mardi 23 ao\u00fbt 2011, 12h. Il y a, dans la cour du 93bis, une plante venue spontan\u00e9ment, qui occupe \u00e0 part enti\u00e8re un grand pot, et qui est officialis\u00e9e par un tuteur. Mais, ces temps-ci, on croise cette fleur sans papiers \u00e0 chaque coin de rue. Pour l&rsquo;identifier, nos diverses flores n&rsquo;ont rien donn\u00e9. On &hellip; <a href=\"https:\/\/jlggb.net\/blog2\/?p=7039\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Mauvaise herbe de ville<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35,17,219],"tags":[835,834],"class_list":["post-7039","post","type-post","status-publish","format-standard","hentry","category-langage","category-observation","category-plante","tag-herbe","tag-vergerette"],"_links":{"self":[{"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/posts\/7039","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7039"}],"version-history":[{"count":5,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/posts\/7039\/revisions"}],"predecessor-version":[{"id":8200,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=\/wp\/v2\/posts\/7039\/revisions\/8200"}],"wp:attachment":[{"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jlggb.net\/blog2\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}