{"id":111,"date":"2022-03-13T01:12:20","date_gmt":"2022-03-13T00:12:20","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=111"},"modified":"2025-07-20T09:51:53","modified_gmt":"2025-07-20T07:51:53","slug":"centaurea-nigra-centauree-noire","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=111","title":{"rendered":"Centaurea nigra. Centaur\u00e9e noire"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">La bract\u00e9e de la Centaur\u00e9e noire est facile \u00e0 reconnaitre.<\/p>\n\n\n\n<ul class=\"wp-block-list has-medium-font-size\">\n<li>La Centaurea Stoebe poss\u00e8de \u00e9galement des bract\u00e9es \u00e0 appendices sombres mais la bract\u00e9e est sillonn\u00e9e et l&rsquo;inflorescence forme un panicule.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list has-medium-font-size\">\n<li>Centaurea nigrescens poss\u00e8de \u00e9galement des bract\u00e9es \u00e0 appendices sombres. Mais \u00e0 la diff\u00e9rence de Centaurea nigra, dont les appendices couvrent le plus souvent les bract\u00e9es voisines, chez Centaurea nigrescens, les bract\u00e9es restent le plus souvent visibles. 2 sous esp\u00e8ces: la subsp transalpina est orophyte. La subsp. nigrescens est d&rsquo;Europe centrale.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"612\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/bractIMG_9448.jpg\" alt=\"\" class=\"wp-image-2342\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/bractIMG_9448.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/bractIMG_9448-300x216.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/bractIMG_9448-768x553.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Centaurea nigra est d\u00e9tach\u00e9e du groupe jacea car les fleurs p\u00e9riph\u00e9riques de ses capitules ne sont pas rayonnantes. Noter que Jauzein en fait une sous-esp\u00e8ce de <a href=\"https:\/\/lecompagnonrouge.fr\/?s=Centaurea+jacea\">Centaurea jacea<\/a>. Ce qui donne cette derni\u00e8re comme \u00ab\u00a0parente\u00a0\u00bb. <a href=\"https:\/\/lecompagnonrouge.fr\/?p=117\">Centaurea decipiens<\/a> est issu d&rsquo;hybridation de Centaurea jacea subsp. jacea et de Centaurea jacea subsp. nigra.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">En ce qui concerne la plante photographi\u00e9e, elle l&rsquo;est \u00e0 un niveau nettement collin\u00e9en. Ce qui laisse la possibilit\u00e9 qu&rsquo;il s&rsquo;agisse du cytotype originel (diploide). Les populations qui seraient rencontr\u00e9es en plaines sont t\u00e9traploides.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=asterales\">Asterales<\/a>&gt; <a href=\"https:\/\/lecompagnonrouge.fr\/?s=asteraceae\">Asteraceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=carduoideae\">Carduoideae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=cardueae\">Cardueae<\/a>&gt; <a href=\"https:\/\/lecompagnonrouge.fr\/?s=Centaurea\">Centaurea<\/a> nigra<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pelouses acidophiles m\u00e9dio-europ\u00e9ennes \u00e0 bor\u00e9o-subalpines. Nardetea strictae Rivas Goday &amp; Borja-Carbonell 1961 em. de Foucault 1994<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/IMG_20220921_170953-Copie-768x1024.jpg\" alt=\"\" class=\"wp-image-2344\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/IMG_20220921_170953-Copie-768x1024.jpg 768w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/IMG_20220921_170953-Copie-225x300.jpg 225w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/IMG_20220921_170953-Copie-300x400.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/09\/IMG_20220921_170953-Copie.jpg 850w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"has-small-font-size\">Merci de consulter <a href=\"https:\/\/lecompagnonrouge.fr\/\">la charte de navigation<\/a> (notamment droits concernant les images), parfois suivie d&rsquo;un \u00e9dito.<\/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>La bract\u00e9e de la Centaur\u00e9e noire est facile \u00e0 reconnaitre. Centaurea nigra est d\u00e9tach\u00e9e du groupe jacea car les fleurs p\u00e9riph\u00e9riques de ses capitules ne sont pas rayonnantes. Noter que Jauzein en fait une sous-esp\u00e8ce de Centaurea jacea. Ce qui donne cette derni\u00e8re comme \u00ab\u00a0parente\u00a0\u00bb. Centaurea decipiens est issu d&rsquo;hybridation de Centaurea jacea subsp. jacea&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,205,204,15,13],"tags":[14,16],"class_list":["post-111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-asteraceae","category-cardueae","category-carduoideae","category-centaurea","category-centaurea-nigra","tag-centauree-noire","tag-centauree"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Centaurea nigra. 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