{"id":7727,"date":"2022-04-20T14:30:00","date_gmt":"2022-04-20T12:30:00","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=7727"},"modified":"2024-11-01T14:44:12","modified_gmt":"2024-11-01T13:44:12","slug":"brassica-cf-napus-colza-et-rutabaga","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=7727","title":{"rendered":"Brassica cf. napus. Colza et rutabaga."},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">Brassica napus et Brassica oleracea ne sont pas franchement distincts sans fleurs ouvertes. Les s\u00e9pales d&rsquo;au moins certaines fleurs de la premi\u00e8re sont alors \u00e9tal\u00e9s.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Brassica oleracea, le chou cultiv\u00e9, est de rencontre tr\u00e8s improbable \u00e0 l&rsquo;\u00e9tat subspontan\u00e9.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Les <strong>feuilles<\/strong> de Brassica napus (tout comme celles de Brassica oleracea, parfois plus \u00e9paisses, ou fris\u00e9es \u00e0 la base) sont <strong>nettement glauques<\/strong>. Plus glauques que celles de <a href=\"https:\/\/lecompagnonrouge.fr\/?p=1020\">Brassica rapa.<\/a><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Les fleurs sont d\u00e9pass\u00e9es par les boutons.<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Les<strong> feuilles basses et m\u00e9dianes basses sont pennatipartites.<\/strong> Grand lobe terminal mais surtout les <strong>parties de limbes embrassant la tige sont nettement distincts des autres segments de la feuilles.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"601\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2024\/11\/2IMG_20220423_171314.jpg\" alt=\"\" class=\"wp-image-7729\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2024\/11\/2IMG_20220423_171314.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2024\/11\/2IMG_20220423_171314-300x212.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2024\/11\/2IMG_20220423_171314-768x543.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Brassica rapa proc\u00e8de de Brassica oleraceus et de Brassica napus. Brassica napus se distingue en deux cultig\u00e8nes, la vari\u00e9t\u00e9 napus, le colza, pr\u00e9sent dans la r\u00e9gion IDF o\u00f9 la photo a \u00e9t\u00e9 prise. Et le cultig\u00e8ne tub\u00e9reux napobrassica, le rutabaga, lequel s&rsquo;\u00e9chappe peu.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Les genres Barbarea, Sisymbrium, Sinapis, Coincya sont proches ou tr\u00e8s proches du genre Brassica.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Brassica: valves de la silique \u00e0 une nervure bien marqu\u00e9e. Le bec de la silique est distinct de la partie valvaire, et est assez grand.<\/li>\n\n\n\n<li>Sinapis est comme Brassica. Mais la silique pr\u00e9sente souvent plus de 3 nervures.<\/li>\n\n\n\n<li>Coincya pr\u00e9sente un bec plus petit que Brassica<\/li>\n\n\n\n<li>Barbarea pr\u00e9sente des esp\u00e8ces tr\u00e8s globalement glabres (sauf \u00e9ventuellement cils \u00e9pars aux marges des feuilles), dont les valves de la silique pr\u00e9sente une nervure fortement saillante: siliques presque t\u00e9tra\u00e9driques<\/li>\n\n\n\n<li>Sysimbrium pr\u00e9sente des siliques presque cylindriques (\u00e0 3 nervures mod\u00e9r\u00e9ment saillantes)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=brassicales\">Brassicales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=brassicaceae\">Brassicaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=brassica\">Brassica<\/a>&nbsp;napus<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Echapp\u00e9e de cultures. Plante de friches.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Annuelles commensales des cultures basophiles. Papaveretalia rhoeadis H\u00fcppe &amp; Hofmeister 1990<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brassica napus et Brassica oleracea ne sont pas franchement distincts sans fleurs ouvertes. Les s\u00e9pales d&rsquo;au moins certaines fleurs de la premi\u00e8re sont alors \u00e9tal\u00e9s. Brassica oleracea, le chou cultiv\u00e9, est de rencontre tr\u00e8s improbable \u00e0 l&rsquo;\u00e9tat subspontan\u00e9. Les feuilles de Brassica napus (tout comme celles de Brassica oleracea, parfois plus \u00e9paisses, ou fris\u00e9es \u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1075,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[278,103],"tags":[277],"class_list":["post-7727","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-brassica-napus","category-brassicaceae","tag-colza"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Brassica cf. napus. 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