{"id":1094,"date":"2025-07-24T10:36:08","date_gmt":"2025-07-24T10:36:08","guid":{"rendered":"https:\/\/www.lejardin-auxnympheas.com\/staging\/?post_type=product&p=1094"},"modified":"2026-08-27T11:30:03","modified_gmt":"2026-08-27T11:30:03","slug":"jonc-des-chaisiers-schoenoplectus-acutus","status":"publish","type":"product","link":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/produit\/jonc-des-chaisiers-schoenoplectus-acutus\/","title":{"rendered":"Jonc des Chaisiers (Schoenoplectus Acutus)"},"content":{"rendered":"
Le <\/span>jonc des chaisiers commun<\/strong>, scientifiquement appel\u00e9 Schoenoplectus acutus<\/strong><\/em> (souvent associ\u00e9 ou assimil\u00e9 au Schoenoplectus lacustris<\/em> en Europe), est une plante herbac\u00e9e vivace et aquatique appartenant \u00e0 la famille des Cyperaceae<\/strong>. Originaire principalement des zones humides d’Am\u00e9rique du Nord, cette esp\u00e8ce semi-aquatique est c\u00e9l\u00e8bre pour ses tiges robustes historiquement utilis\u00e9es pour le rempaillage des chaises et la vannerie.\u00a0<\/div>\n
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\u00a0Caract\u00e9ristiques morphologiques<\/div>\n<\/div>\n
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  • Tiges :<\/strong> Elles sont dress\u00e9es, cylindriques, lisses et de couleur vert fonc\u00e9. Elles peuvent mesurer entre 1 et 3 m\u00e8tres de hauteur<\/strong> pour une \u00e9paisseur de 5 \u00e0 15 millim\u00e8tres \u00e0 la base. Leur int\u00e9rieur est spongieux, constitu\u00e9 de tissus a\u00e9riens (a\u00e9renchyme) qui permettent \u00e0 la plante de respirer les pieds dans l’eau.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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    • Feuilles :<\/strong> La majorit\u00e9 des feuilles sont r\u00e9duites \u00e0 des gaines brunes ou rouge\u00e2tres<\/strong> qui entourent la base de la tige. Cependant, des feuilles submerg\u00e9es minces et ruban\u00e9es peuvent parfois se d\u00e9velopper sous l’eau et atteindre jusqu’\u00e0 un m\u00e8tre de long.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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      • Racines :<\/strong> La plante se d\u00e9veloppe gr\u00e2ce \u00e0 un rhizome horizontal \u00e9pais et rampant<\/strong>. Ce syst\u00e8me racinaire puissant lui permet de stabiliser les sols et de former des colonies denses.<\/span><\/li>\n<\/ul>\n<\/div>\n
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        • Inflorescence :<\/strong> Elle appara\u00eet au sommet de la tige entre juin et ao\u00fbt<\/strong>. Elle prend la forme d’un groupe d’\u00e9pillets brun\u00e2tres et denses. Une petite feuille rigide (la bract\u00e9e) prolonge visuellement la tige au-dessus des fleurs, donnant l’impression que l’inflorescence pousse sur le c\u00f4t\u00e9.<\/span><\/li>\n<\/ul>\n<\/div>\n
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          • Fructification :<\/strong> Les fleurs produisent de petits fruits secs (ak\u00e8nes) contenant une seule graine, dispers\u00e9s par l’eau et le vent.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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              \u00a0Habitat et conditions de croissance<\/div>\n<\/div>\n
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              • Milieu :<\/strong> Il pousse exclusivement dans les zones humides et mar\u00e9cageuses<\/strong> : bords de lacs, \u00e9tangs, marais et foss\u00e9s. Il tol\u00e8re une immersion permanente sous 0 \u00e0 50 cm d’eau.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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                • Exposition :<\/strong> La plante a besoin d’un plein soleil<\/strong> et ne supporte pas l’ombre. Elle s’adapte \u00e0 de nombreux types de sols (sableux, limoneux ou argileux), m\u00eame pauvres ou tr\u00e8s alcalins.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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                  • Rusticit\u00e9 :<\/strong> Elle est extr\u00eamement r\u00e9sistante au froid (jusqu’\u00e0 -20\u00b0C environ).<\/span><\/li>\n<\/ul>\n<\/div>\n
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                      \u00a0Utilisations principales<\/div>\n<\/div>\n
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                      • \u00c9cologie et Phyto\u00e9puration :<\/strong> Gr\u00e2ce \u00e0 ses racines, elle absorbe les nutriments en exc\u00e8s et les polluants, ce qui en fait une alli\u00e9e majeure pour les bassins de lagunage<\/strong> et l’\u00e9puration naturelle des eaux. Elle sert aussi de refuge aux oiseaux aquatiques, aux petits poissons et aux libellules.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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                        • Contr\u00f4le de l’\u00e9rosion :<\/strong> Ses rhizomes fixent solidement les berges instables ou mouvantes.<\/span>\u00a0<\/li>\n<\/ul>\n<\/div>\n
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                          • Artisanat traditionnel :<\/strong> Les tiges s\u00e9ch\u00e9es, souples et r\u00e9sistantes, servaient autrefois \u00e0 tresser des assises de chaises, des nattes ou des paniers<\/span><\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                            Le jonc des chaisiers commun, scientifiquement appel\u00e9 Schoenoplectus acutus (souvent associ\u00e9 ou assimil\u00e9 au Schoenoplectus lacustris en Europe), est une […]<\/p>\n","protected":false},"featured_media":6701,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[27,31,34],"product_tag":[19],"class_list":["post-1094","product","type-product","status-publish","has-post-thumbnail","product_cat-plantes-aquatiques","product_cat-plantes-de-bordures-humides","product_cat-plantes-filtrantes","product_tag-vegetaux","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/product\/1094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/comments?post=1094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/media\/6701"}],"wp:attachment":[{"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/media?parent=1094"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=1094"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=1094"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.lejardin-auxnympheas.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=1094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}