{"id":459,"date":"2026-02-28T16:00:15","date_gmt":"2026-02-28T15:00:15","guid":{"rendered":"https:\/\/leprincedulac.fr\/?page_id=459"},"modified":"2026-04-12T19:23:01","modified_gmt":"2026-04-12T17:23:01","slug":"urticacees","status":"publish","type":"page","link":"https:\/\/leprincedulac.fr\/index.php\/urticacees\/","title":{"rendered":"Urticac\u00e9es"},"content":{"rendered":"<section class=\"botafamily-page\" id=\"family-top\">\n<div class=\"botafamily-shell\">\n<div class=\"botafamily-main\">\n<div class=\"botafamily-hero\" id=\"family-presentation\" style=\"padding:1.25rem 0 1.75rem;margin-bottom:1.5rem\">\n<p class=\"botafamily-kicker\" style=\"margin:0 0 .5rem;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:#6b7557;font-weight:700\">Famille botanique<\/p>\n<h2 class=\"botafamily-heading\" style=\"margin:0 0 .4rem;font-size:clamp(1.8rem,2.8vw,2.6rem);line-height:1.1;color:#24311f\">Famille des Urticac\u00e9es<\/h2>\n<div class=\"planche-botanique\" style=\"text-align:center;margin:1.25rem 0 1.75rem 0\"><img decoding=\"async\" src=\"https:\/\/leprincedulac.fr\/wp-content\/uploads\/familles\/Urticac%C3%A9es.jpg\" alt=\"Planche des caract\u00e8res distinctifs de la famille des Urticac\u00e9es\" class=\"planche-zoom\" style=\"max-width:100%;height:auto;border-radius:8px;border:1px solid #d9cdb3\" \/><\/p>\n<div style=\"font-size:.85em;color:#6b7557;font-style:italic;margin-top:.45rem\">Caract\u00e8res distinctifs de la famille \u2014 cliquez pour agrandir<\/div>\n<\/div>\n<p class=\"botafamily-meta\" style=\"margin:0 0 1rem;color:#5f6952;font-weight:600\">5 plantes document\u00e9es dans cette famille<\/p>\n<div class=\"botafamily-description\" style=\"color:#2f3928;line-height:1.75;max-width:72ch\">\n<p><strong>Nom latin :<\/strong> <em>Urticaceae<\/em><\/p>\n<p><strong>Cl\u00e9 de d\u00e9termination sur le terrain :<\/strong><\/p>\n<ul>\n<li>Plantes herbac\u00e9es, souvent <strong>nitrophiles<\/strong> (d\u00e9combres, pieds de murs, cultures, sous-bois riches)<\/li>\n<li>Feuilles <strong>oppos\u00e9es<\/strong>, simples, ovales-lanc\u00e9ol\u00e9es, \u00e0 bord <strong>dent\u00e9<\/strong>, munies de <strong>stipules<\/strong><\/li>\n<li>Pr\u00e9sence de <strong>poils urticants<\/strong> sur tiges et feuilles (orties) : poils siliceux \u00e0 pointe cassante, injectant un liquide irritant (acide formique, histamine) au contact \u2014 crit\u00e8re de terrain imm\u00e9diat et douloureux<\/li>\n<li>Fleurs <strong>minuscules<\/strong>, verd\u00e2tres, unisexu\u00e9es, en grappes ou glom\u00e9rules axillaires ; plante mono\u00efque ou dio\u00efque<\/li>\n<li><strong>4 t\u00e9pales<\/strong>, 4 \u00e9tamines <strong>\u00e9lastiques<\/strong> (se d\u00e9tendent brusquement \u00e0 l&rsquo;anth\u00e8se pour projeter le pollen)<\/li>\n<li>Ovaire <strong>sup\u00e8re<\/strong> ; fruit = <strong>ak\u00e8ne<\/strong> comprim\u00e9, inclus dans les t\u00e9pales persistants<\/li>\n<li>Tiges riches en <strong>fibres<\/strong> r\u00e9sistantes (utilis\u00e9es historiquement en textile)<\/li>\n<\/ul>\n<p>Les poils urticants suffisent \u00e0 identifier les orties. Les esp\u00e8ces non urticantes (pari\u00e9taires) se reconnaissent aux feuilles oppos\u00e9es enti\u00e8res et aux fleurs minuscules verd\u00e2tres \u00e0 4 t\u00e9pales.<\/p>\n<\/div><\/div>\n<div class=\"botafamily-alpha-index\"><a href=\"#letter-g\" class=\"alpha-letter\">G<\/a><a href=\"#letter-o\" class=\"alpha-letter\">O<\/a><a href=\"#letter-p\" class=\"alpha-letter\">P<\/a><span class=\"alpha-spacer\"><\/span><a href=\"https:\/\/leprincedulac.fr\/index.php\/familles-botaniques\/\" class=\"alpha-utility\">Retour \u00e0 Botanique<\/a><a href=\"https:\/\/leprincedulac.fr\/index.php\/glossaire\/\" class=\"alpha-utility\">Glossaire<\/a><\/div>\n<section id=\"letter-g\" class=\"botafamily-letter-group\" style=\"margin:0 0 1.25rem\">\n<h3 class=\"botafamily-letter-heading\" style=\"margin:0 0 .7rem;padding-bottom:.35rem;font-size:1.25rem;color:#32412a\">G<\/h3>\n<div class=\"botafamily-list\" style=\"grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem\">\n<article class=\"botafamily-card\" style=\"padding:.9rem 1rem;border-radius:16px;background:linear-gradient(180deg,#fffdf7 0%,#f6f2e7 100%)\">\n<div class=\"botafamily-card-body\" style=\"min-width:0\">\n<h3 class=\"botafamily-title\" style=\"margin:0;font-size:1.02rem;line-height:1.3\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/grande-ortie\/\" style=\"text-decoration:none;color:#24311f\">Grande Ortie<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Urtica dioica L.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/grande-ortie\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-o\" class=\"botafamily-letter-group\" style=\"margin:0 0 1.25rem\">\n<h3 class=\"botafamily-letter-heading\" style=\"margin:0 0 .7rem;padding-bottom:.35rem;font-size:1.25rem;color:#32412a\">O<\/h3>\n<div class=\"botafamily-list\" style=\"grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem\">\n<article class=\"botafamily-card\" style=\"padding:.9rem 1rem;border-radius:16px;background:linear-gradient(180deg,#fffdf7 0%,#f6f2e7 100%)\">\n<div class=\"botafamily-card-body\" style=\"min-width:0\">\n<h3 class=\"botafamily-title\" style=\"margin:0;font-size:1.02rem;line-height:1.3\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/ortie-a-pilules\/\" style=\"text-decoration:none;color:#24311f\">Ortie \u00c0 Pilules<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Urtica pilulifera L.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/ortie-a-pilules\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article>\n<article class=\"botafamily-card\" style=\"padding:.9rem 1rem;border-radius:16px;background:linear-gradient(180deg,#fffdf7 0%,#f6f2e7 100%)\">\n<div class=\"botafamily-card-body\" style=\"min-width:0\">\n<h3 class=\"botafamily-title\" style=\"margin:0;font-size:1.02rem;line-height:1.3\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/ortie-brulante\/\" style=\"text-decoration:none;color:#24311f\">Ortie Br\u00fblante<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Urtica urens L.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/ortie-brulante\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-p\" class=\"botafamily-letter-group\" style=\"margin:0 0 1.25rem\">\n<h3 class=\"botafamily-letter-heading\" style=\"margin:0 0 .7rem;padding-bottom:.35rem;font-size:1.25rem;color:#32412a\">P<\/h3>\n<div class=\"botafamily-list\" style=\"grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.75rem\">\n<article class=\"botafamily-card\" style=\"padding:.9rem 1rem;border-radius:16px;background:linear-gradient(180deg,#fffdf7 0%,#f6f2e7 100%)\">\n<div class=\"botafamily-card-body\" style=\"min-width:0\">\n<h3 class=\"botafamily-title\" style=\"margin:0;font-size:1.02rem;line-height:1.3\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/parietaire-de-judee\/\" style=\"text-decoration:none;color:#24311f\">Pari\u00e9taire De Jud\u00e9e<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Parietaria judaica L.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/parietaire-de-judee\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article>\n<article class=\"botafamily-card\" style=\"padding:.9rem 1rem;border-radius:16px;background:linear-gradient(180deg,#fffdf7 0%,#f6f2e7 100%)\">\n<div class=\"botafamily-card-body\" style=\"min-width:0\">\n<h3 class=\"botafamily-title\" style=\"margin:0;font-size:1.02rem;line-height:1.3\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/parietaire-officinale\/\" style=\"text-decoration:none;color:#24311f\">Pari\u00e9taire Officinale<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Parietaria officinalis L.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/26\/parietaire-officinale\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section><\/div>\n<\/p><\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Famille botanique Famille des Urticac\u00e9es Caract\u00e8res distinctifs de la famille \u2014 cliquez pour agrandir 5 plantes document\u00e9es dans cette famille Nom latin : Urticaceae Cl\u00e9 [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-459","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/459","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/comments?post=459"}],"version-history":[{"count":12,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/459\/revisions"}],"predecessor-version":[{"id":8636,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/459\/revisions\/8636"}],"wp:attachment":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/media?parent=459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}