{"id":563,"date":"2022-03-31T17:29:50","date_gmt":"2022-03-31T15:29:50","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=563"},"modified":"2025-04-20T15:35:36","modified_gmt":"2025-04-20T13:35:36","slug":"viola-arvensis-subsp-arvensis-pensee-des-champs","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=563","title":{"rendered":"Viola arvensis subsp. arvensis. Pens\u00e9e des champs"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li>Violette caract\u00e9ris\u00e9e rapidement par: les lignes au nombres de 0 \u00e0 2 sur les p\u00e9tales lat\u00e9raux (diam\u00e8tre de la corolle pris dans la plus grande largeur: inf\u00e9rieur \u00e0 15 mm).<\/li>\n\n\n\n<li>Diff\u00e9rentiel avec Viola Kinkelabia: les feuilles basales de V. Kinkelabia sont rondes; toutes feuilles de Viola arvensis sont lanc\u00e9ol\u00e9es.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"888\" height=\"706\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/03\/image-15.png\" alt=\"\" class=\"wp-image-7856\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/03\/image-15.png 888w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/03\/image-15-300x239.png 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/03\/image-15-768x611.png 768w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2022\/03\/image-15-850x676.png 850w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diff\u00e9rentiel avec <a href=\"https:\/\/lecompagnonrouge.fr\/?p=6761\">Viola tricolor<\/a> : V. tricolor a 1-2 (3) stries sur les p\u00e9tales lat\u00e9raux; <strong>les stipules des feuilles m\u00e9dianes sont un peu plus nombreusement (\u00e0 peine) dent\u00e9es chez la violette des champs<\/strong>; (la base jaune du p\u00e9tale central est quelquefois plus longue ou ce dernier est enti\u00e8rement jaune chez Viola tricolor). L&rsquo;\u00e9peron est blanc, mais jusqu&rsquo;\u00e0 violet. <strong>Le rapport de longueur s\u00e9pale\/p\u00e9tale fait que l&rsquo;on voit nettement les s\u00e9pales entre les p\u00e9tales chez la violette des champs, ce qui n&rsquo;est pas le cas chez la <a href=\"https:\/\/lecompagnonrouge.fr\/?p=6761\">pens\u00e9e sauvage<\/a> (sauf chez Viola arvensis var. contempta qui a des fleurs plus grandes). <\/strong>L&rsquo;ornement en forme de l\u00e8vre de l&rsquo;ouverture stigmatique est toujours saillant chez Viola tricolor, souvent un peu plus que chez les exemplaires de violettes des champs ayant un labelle stigmatique saillant. Viola arvensis: lorsqu&rsquo;il y a des t\u00e2ches violettes, elles apparaissent le plus souvent sur les p\u00e9tales du haut. Le plus souvent, la plante est blanc jaun\u00e2tre \u00e0 gorge jaune comme sur les photos. <strong>Pollens pentagonaux contre carr\u00e9s chez Viola tricolor.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=malpighiales\">Malpighiales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Violaceae\">Violaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Viola\">Viola<\/a>&nbsp;arvensis subsp. arvensis var. arvensis<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Annuelle commensale des cultures. Stellarietea mediae<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Esp\u00e8ce dispers\u00e9e par les fourmis.<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lieu(x) o\u00f9 la plante est photographi\u00e9e: Sud de la Creuse.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Malpighiales&gt;Violaceae&gt;Viola&nbsp;arvensis subsp. arvensis var. arvensis Annuelle commensale des cultures. Stellarietea mediae Esp\u00e8ce dispers\u00e9e par les fourmis. Lieu(x) o\u00f9 la plante est photographi\u00e9e: Sud de la Creuse.<\/p>\n","protected":false},"author":1,"featured_media":565,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[146,151,147],"tags":[145,150],"class_list":["post-563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-malpighiales","category-viola-arvensis-subsp-arvensis","category-violaceae","tag-violette","tag-violette-des-champs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Viola arvensis subsp. arvensis. 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