{"id":12125,"date":"2026-05-31T19:52:17","date_gmt":"2026-05-31T17:52:17","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=12125"},"modified":"2026-06-01T13:38:27","modified_gmt":"2026-06-01T11:38:27","slug":"bistorta-officinalis-bistorte","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=12125","title":{"rendered":"Bistorta officinalis. Bistorte"},"content":{"rendered":"\n<p class=\"has-medium-font-size wp-block-paragraph\">Wally, voici une fleur que je trouve particuli\u00e8rement belle et que j&rsquo;aime beaucoup. Elle a un nom un peu bizarre, un peu rigolo, et son nom chimique \u00e9videmment encore plus bizarre (Bistorta officinalis) mais je l&rsquo;aime beaucoup. Aussi, c&rsquo;est \u00e0 toi que je d\u00e9die cette fiche, petite merveille!<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Cette plante pr\u00e9sente de beaux \u00e9pis color\u00e9s en rose. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Les bistortes sont des polygonaceae \u00e0 \u00e9pis uniques, p\u00e9rigones 5-m\u00e8res, et t\u00e9pales libres. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Cette bistorte poss\u00e8de des fleurs roses, plus rarement des fleurs blanches.<\/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\/2026\/05\/IMG_3342.jpg\" alt=\"\" class=\"wp-image-12133\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3342.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3342-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3342-768x512.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=\"567\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3341.jpg\" alt=\"\" class=\"wp-image-12134\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3341.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3341-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3341-768x512.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\">L&rsquo;ochrea est tr\u00e8s allong\u00e9, entier, et il supporte les feuilles (ici feuille du haut de la tige):<\/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\/2026\/05\/IMG_3340.jpg\" alt=\"\" class=\"wp-image-12131\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3340.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3340-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3340-768x512.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=\"567\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3338.jpg\" alt=\"Bistorta officinalis: ochrea\" class=\"wp-image-12132\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3338.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3338-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3338-768x512.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Il y a 2 esp\u00e8ces dans l&rsquo;Hexagone (sur environ 50 dans le monde). <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Vis \u00e0 vis de l&rsquo;alpine des pelouses enneig\u00e9es <em>Bistorta vivipara<\/em> \u00e0 floraison toujours blanche ou rose clair, Cette bistorte pr\u00e9sente des feuilles plus larges \u00e0 la base ainsi que la feuille m\u00e9diane.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">La feuille m\u00e9diane poss\u00e8de un limbe d\u00e9current qui embrasse un peu la tige par la base, formant de courtes ailes autour de cette derni\u00e8re: <\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"632\" height=\"886\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianeIMG_3427.jpg\" alt=\"\" class=\"wp-image-12129\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianeIMG_3427.jpg 632w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianeIMG_3427-214x300.jpg 214w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianeIMG_3427-300x421.jpg 300w\" sizes=\"auto, (max-width: 632px) 100vw, 632px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">La feuille m\u00e9diane sur l&rsquo;image suivante correspond \u00e0 la fl\u00e8che du haut. La feuille basse est tr\u00e8s large, et (non visible sur la photo) elle est tronqu\u00e9e ou en c\u0153ur du c\u00f4t\u00e9 de la tige. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"591\" src=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianefeuillebasseIMG_3428.jpg\" alt=\"\" class=\"wp-image-12130\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianefeuillebasseIMG_3428.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianefeuillebasseIMG_3428-300x209.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/feuillemedianefeuillebasseIMG_3428-768x534.jpg 768w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Origine, taxonomie. <\/strong><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">[Bistorta officinalis=Pesicaria bistorta=Polygonum bistorta]<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Plante circumbor\u00e9ale<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Noter que les petites cytologies se trouveraient en Italie, au Maroc.<\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=Caryophyllales\">Caryophyllales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=polygonaceae\">Polygonaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=bistorta\">Bistorta<\/a> officinalis<\/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\/2026\/05\/IMG_3428.jpg\" alt=\"\" class=\"wp-image-12135\" srcset=\"https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3428.jpg 850w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3428-300x200.jpg 300w, https:\/\/lecompagnonrouge.fr\/wp-content\/uploads\/2026\/05\/IMG_3428-768x512.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<h2 class=\"wp-block-heading has-medium-font-size\"><strong>Ecologie: <\/strong><\/h2>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">STATUTS DE PROTECTION:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">CR: Esp\u00e8ce probablement disparue<\/mark> en Poitou-Charrente; crit\u00e8res: B2ab (iii;iv;v)<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">EN: En danger<\/mark> en Centre-Val de Loire avec les crit\u00e8res B2ab (ii; iii; iv; v) , et en \u00cele-de-France avec les crit\u00e8res B1ab (iii; iv) ; indig\u00e9nats d\u00e9clar\u00e9s dans les 2 r\u00e9gions. <\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\">VU: Vuln\u00e9rable<\/mark> en Haute-Normandie.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">NT: Quasi menac\u00e9e en Aquitaine, en Basse Normandie, en Champagne-Ardenne.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Protection R\u00e9gionale dans le Centre-Val de Loire (indig\u00e9nat d\u00e9clar\u00e9), en Bourgogne (indig\u00e9nat d\u00e9clar\u00e9) et en \u00cele-de-France (indig\u00e9nat d\u00e9clar\u00e9).<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Esp\u00e8ce sensible r\u00e9gionale en Basse-Normandie (Maille 5km, espace, commune, ZNIEFF ): la pr\u00e9cision de d\u00e9claration d&rsquo;esp\u00e8ce ne doit pas l&rsquo;affecter en communiquant o\u00f9 l&rsquo;on peut la trouver, ici dans un rayon de 5 km.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">D\u00e9terminante de Zone humide<\/mark> (arr\u00eat\u00e9 de 2008; port\u00e9e nationale)<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-luminous-vivid-orange-color\">D\u00e9terminante Znieff <\/mark>en Centre-Val de Loire (indig\u00e9nat d\u00e9clar\u00e9), en Haute-Vienne, en Creuse, en Corr\u00e8ze, en \u00cele-de-France (indig\u00e9nat d\u00e9clar\u00e9), dans le Grand-Est.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">AUTO-ECOLOGIE:<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Pr\u00e8s de fauche orophiles, m\u00e9gaphorbiaies, prairies hygrophiles.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">COMMUNAUTE(S):<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">M\u00e9gaphorbiaies bor\u00e9ales \u00e0 montagnardes, m\u00e9soeutrophiles. Petasito hybridi &#8211; Chaerophylletalia hirsuti Morariu 1967<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Concernant le prairial: Alliance de l&rsquo;<em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Alopecurion-pratensis\">Alopecurion pratensis<\/a><\/em>, l&rsquo; <em>Achilleo ptarmicae-Brometum racemosi<\/em> (F 03-47) dans l&rsquo;alliance du <em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Bromion-racemosi\">Bromion racemosi<\/a><\/em>, l&rsquo;<em>Heracleo sphondylii-Polygonetum bistortae<\/em> (F06-32) dans la sous-alliance du <em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Colchico-autumnalis-Arrhenatherenion-elatioris\">Colchico autumnalis-Arrhenatherenion elatioris<\/a><\/em>, l&rsquo;alliance du <em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Triseto-flavescentis-Polygonion-bistortae\">Triseto flavescentis-Polygonion bistortae<\/a><\/em>.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Voir \u00e9galement une sous association \u00e0 bistorte du <em>Lino angustifolii-Brometum hordeacei<\/em> (F06-02) dans le <em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Lino-angustifolii-Oenanthenion-pimpinelloidis\">Lino angustifolii-Oenanthenion pimpinelloidis<\/a><\/em>.<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">La sous alliance foresti\u00e8re du <em><a href=\"https:\/\/lecompagnonrouge.fr\/?page_id=3348#Polygono-bistortae-Quercenion-roboris\">Polygono bistortae-Quercenion roboris<\/a><\/em>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Photos prises Pont Roby, Felletin. Parc r\u00e9gional naturel de Millevaches (PNRM). Prairie entretenue face au mus\u00e9e des diamantaires (que je conseille): tr\u00e8s belle id\u00e9e d&rsquo;entretenir ainsi une prairie pr\u00e8s du mus\u00e9e. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wally, voici une fleur que je trouve particuli\u00e8rement belle et que j&rsquo;aime beaucoup. Elle a un nom un peu bizarre, un peu rigolo, et son nom chimique \u00e9videmment encore plus bizarre (Bistorta officinalis) mais je l&rsquo;aime beaucoup. Aussi, c&rsquo;est \u00e0 toi que je d\u00e9die cette fiche, petite merveille! Cette plante pr\u00e9sente de beaux \u00e9pis color\u00e9s&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12128,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1274,286],"tags":[1273],"class_list":["post-12125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bistorta-officinalis","category-polygonaceae","tag-bistorte"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bistorta officinalis. 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