{"id":9554,"date":"2025-04-27T10:42:24","date_gmt":"2025-04-27T08:42:24","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=9554"},"modified":"2025-08-04T17:06:36","modified_gmt":"2025-08-04T15:06:36","slug":"carex-hirta-laiche-herissee","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=9554","title":{"rendered":"Carex hirta. La\u00eeche h\u00e9riss\u00e9e."},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Carex hirta se d\u00e9termine de mani\u00e8re s\u00fbre sur le fruit. <\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les Carex demandent une bonne vision, une optique en g\u00e9n\u00e9ral, le souffle long profond et parfois patient pour leurs identifications.<br>Les indices principaux sont sujets \u00e0 variabilit\u00e9 selon les exemplaires observ\u00e9s. Il faut en principe en observer plusieurs. Des indices parfois tr\u00e8s secondaires et \u00e9galement utilis\u00e9s ici peuvent orienter l&rsquo;identification.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>El\u00e9ments de description:<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Carex hirta pr\u00e9sente des fleurs femelles vers le bas, et de fleurs m\u00e2les en haut. Les fleurs femelles ont des <strong>utricules poilus \u00e0 bec longuement comprim\u00e9s (fructification).<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Ici le fruit est encore jeune mais ces caract\u00e9ristiques sont pr\u00e9sentes: <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"556\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2552.jpg\" alt=\"Carex hirta: fruit\" class=\"wp-image-9643\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2552.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2552-300x196.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2552-768x502.jpg 768w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2552-350x230.jpg 350w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><br>Sinon, en attente de la maturit\u00e9 suffisante des fruits, plusieurs indices orientent largement vers cette la\u00eeche.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les \u00e9pis femelles sont courtement <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#p\u00e9doncule\">p\u00e9doncul\u00e9s<\/a> et se pr\u00e9sentent dans des <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#bract\u00e9e\">bract\u00e9es<\/a> engainantes, et les gaines foliaires sont velues (indices secondaires).<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"541\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/courpedoncIMG_2514.jpg\" alt=\"\" class=\"wp-image-9556\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/courpedoncIMG_2514.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/courpedoncIMG_2514-300x191.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/courpedoncIMG_2514-768x489.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"605\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/basegaineIMG_2524.jpg\" alt=\"Carex hirta: base de la plante, gaine velue\" class=\"wp-image-9557\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/basegaineIMG_2524.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/basegaineIMG_2524-300x214.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/basegaineIMG_2524-768x547.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les \u00e9pis m\u00e2les ont des \u00e9cailles non arist\u00e9s, mutiques (indice secondaire). Ces \u00e9pis sont poilus au sommet, et au nombre de 2 \u00e0 3, parfois isol\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"536\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecaillesmalesmutIMG_2520.jpg\" alt=\"\" class=\"wp-image-9558\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecaillesmalesmutIMG_2520.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecaillesmalesmutIMG_2520-300x189.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecaillesmalesmutIMG_2520-768x484.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Les \u00e9pis femelles ont des \u00e9cailles longuement arist\u00e9es. Ces \u00e9pis sont distants. ils sont courtement p\u00e9doncul\u00e9s. Et absence d&rsquo;\u00e9pi femelle \u00e0 la base de la plante (indices importants).<br>Les \u00e9pis femelles sont au nombre de 2 \u00e0 3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"570\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecailaristeeIMG_2519.jpg\" alt=\"\" class=\"wp-image-9559\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecailaristeeIMG_2519.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecailaristeeIMG_2519-300x201.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/ecailaristeeIMG_2519-768x515.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\">Les feuilles sont poilues (indice important)<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"476\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/feuillesIMG_2523.jpg\" alt=\"\" class=\"wp-image-9560\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/feuillesIMG_2523.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/feuillesIMG_2523-300x168.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/feuillesIMG_2523-768x430.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\">La plante est \u00e0 racines tra\u00e7antes (colonies).<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Comme l&rsquo;ensemble des indices secondaires sur le groupe de plantes observ\u00e9 est bien repr\u00e9sentatifs: Carex hirta.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"567\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2521.jpg\" alt=\"\" class=\"wp-image-9561\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2521.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2521-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2521-768x512.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Origine et taxonomie<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Plante d&rsquo;Europe et du Caucase. <\/p>\n\n\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=poales\">Poales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Cyperaceae\">Cyperaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Carex\">Carex<\/a>&nbsp;hirta (subgen: carex)<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Ecologie<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">Esp\u00e8ce vuln\u00e9rable en Corse.<\/mark><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Plante prairiale plut\u00f4t sur sols humides. Plante <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#trophie\">eutrophile<\/a>. Indication d&rsquo;<a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=8669#hydromorphie\">hydromoprhie<\/a>.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Prairies europ\u00e9ennes hygrophiles \u00e0 hydrophiles, inondables. Agrostienea stoloniferae var. stoloniferae (Oberdorfer &amp; M\u00fcller ex G\u00f6rs 1966) de Foucault 1984. Renvoi au <a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Agrostietea-stoloniferae\">rang imm\u00e9diatement sup\u00e9rieur<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"567\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2519.jpg\" alt=\"\" class=\"wp-image-9562\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2519.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2519-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2025\/04\/IMG_2519-768x512.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Foto ci Parc de l&rsquo;\u00cele Saint-Denis. Zone topographiquement basse d&rsquo;une prairie identifi\u00e9e comme s\u00e8che. La g\u00e9ologie de ce parc (selon les couches harmonis\u00e9es du site BRGM infoterre) pr\u00e9sente du sable de Beauchamps et du sable du val d\u2019Oise (ou d\u2019Auvers), coup\u00e9e d\u2019une large langue de calcaire de Saint-Ouen. Tous les reliefs du parc \u00e9tant dus \u00e0 des remblais en provenance de l&rsquo;A86. Ici, C\u00f4t\u00e9 du petit bras, la pr\u00e9sence de ce Carex est susceptible d&rsquo;indiquer une sensibilit\u00e9 du sol \u00e0 la nappe d&rsquo;eau de la Seine.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Carex hirta se d\u00e9termine de mani\u00e8re s\u00fbre sur le fruit. Les Carex demandent une bonne vision, une optique en g\u00e9n\u00e9ral, le souffle long profond et parfois patient pour leurs identifications.Les indices principaux sont sujets \u00e0 variabilit\u00e9 selon les exemplaires observ\u00e9s. Il faut en principe en observer plusieurs. Des indices parfois tr\u00e8s secondaires et \u00e9galement utilis\u00e9s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":9555,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1141,542],"tags":[1140],"class_list":["post-9554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carex-hirta","category-cyperaceae","tag-laiche-herissee"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Carex hirta. La\u00eeche h\u00e9riss\u00e9e. - Le Compagnon rouge<\/title>\n<meta name=\"description\" content=\"Poales, Cyperaceae, Carex hirta\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lecompagnonrouge.fr\/?p=9554\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Carex hirta. 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