{"id":414,"date":"2026-02-26T18:14:28","date_gmt":"2026-02-26T17:14:28","guid":{"rendered":"https:\/\/leprincedulac.fr\/?page_id=414"},"modified":"2026-04-12T19:22:41","modified_gmt":"2026-04-12T17:22:41","slug":"onagracees","status":"publish","type":"page","link":"https:\/\/leprincedulac.fr\/index.php\/onagracees\/","title":{"rendered":"Onagrac\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 Onagrac\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\/Onagrac%C3%A9es.jpg\" alt=\"Planche des caract\u00e8res distinctifs de la famille des Onagrac\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\">11 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>Onagraceae<\/em><\/p>\n<p><strong>Cl\u00e9 de d\u00e9termination sur le terrain :<\/strong><\/p>\n<ul>\n<li>Plantes herbac\u00e9es, souvent de milieux <strong>humides<\/strong> ou de friches<\/li>\n<li>Feuilles <strong>alternes ou oppos\u00e9es<\/strong>, simples, souvent lanc\u00e9ol\u00e9es<\/li>\n<li>Fleurs <strong>actinomorphes<\/strong>, \u00e0 pi\u00e8ces florales en <strong>multiples de 4<\/strong> : 4 s\u00e9pales, <strong>4 p\u00e9tales<\/strong> libres, 4 ou 8 \u00e9tamines \u2014 le plan floral par 4 est le crit\u00e8re cl\u00e9<\/li>\n<li>P\u00e9tales souvent <strong>rose vif<\/strong> (\u00e9pilobes), jaunes (onagre) ou blancs, souvent <strong>\u00e9chancr\u00e9s<\/strong><\/li>\n<li>Ovaire <strong>inf\u00e8re<\/strong>, tr\u00e8s allong\u00e9, ressemblant \u00e0 un p\u00e9dicelle sous la fleur (on voit la fleur \u00ab perch\u00e9e \u00bb sur un long tube)<\/li>\n<li>Fruit = <strong>capsule allong\u00e9e<\/strong> \u00e0 4 valves, souvent lin\u00e9aire<\/li>\n<li>Graines souvent munies d&rsquo;une <strong>aigrette soyeuse<\/strong> (\u00e9pilobes) facilitant la diss\u00e9mination par le vent<\/li>\n<\/ul>\n<p>Le plan floral par 4, l&rsquo;ovaire inf\u00e8re allong\u00e9 sous la fleur et les 4 p\u00e9tales souvent \u00e9chancr\u00e9s identifient la famille. L&rsquo;aigrette des graines d&rsquo;\u00e9pilobes est un indice compl\u00e9mentaire tr\u00e8s fiable.<\/p>\n<\/div><\/div>\n<div class=\"botafamily-alpha-index\"><a href=\"#letter-c\" class=\"alpha-letter\">C<\/a><a href=\"#letter-e\" class=\"alpha-letter\">E<\/a><a href=\"#letter-l\" class=\"alpha-letter\">L<\/a><a href=\"#letter-o\" class=\"alpha-letter\">O<\/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-c\" 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\">C<\/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\/circee-de-paris\/\" style=\"text-decoration:none;color:#24311f\">Circ\u00e9e De Paris<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Circaea lutetiana 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\/circee-de-paris\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-e\" 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\">E<\/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\/28\/epilobe-a-feuilles-de-romarin\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe \u00c0 Feuilles De Romarin<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Epilobium dodonaei Vill.<\/em><\/p>\n<p class=\"botafamily-open\" style=\"margin:.45rem 0 0;font-size:.88rem\"><a href=\"https:\/\/leprincedulac.fr\/index.php\/2026\/03\/28\/epilobe-a-feuilles-de-romarin\/\" 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\/28\/epilobe-a-grandes-fleurs\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe \u00c0 Grandes Fleurs<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Epilobium hirsutum 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\/28\/epilobe-a-grandes-fleurs\/\" 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\/epilobe-a-petites-fleurs\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe \u00c0 Petites Fleurs<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Epilobium parviflorum Schreb.<\/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\/epilobe-a-petites-fleurs\/\" 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\/epilobe-des-marais\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe Des Marais<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Epilobium palustre 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\/epilobe-des-marais\/\" 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\/epilobe-en-epi\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe En \u00c9pi<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Chamerion angustifolium<\/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\/epilobe-en-epi\/\" 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\/epilobe-hirsute\/\" style=\"text-decoration:none;color:#24311f\">\u00c9pilobe Hirsute<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Epilobium hirsutum 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\/epilobe-hirsute\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-l\" 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\">L<\/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\/ludwigie-a-grandes-fleurs\/\" style=\"text-decoration:none;color:#24311f\">Ludwigie \u00c0 Grandes Fleurs<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Ludwigia grandiflora<\/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\/ludwigie-a-grandes-fleurs\/\" 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\/ludwigie-des-marais\/\" style=\"text-decoration:none;color:#24311f\">Ludwigie Des Marais<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Ludwigia palustris<\/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\/ludwigie-des-marais\/\" 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\/onagre-bisannuelle\/\" style=\"text-decoration:none;color:#24311f\">Onagre Bisannuelle<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Oenothera biennis 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\/onagre-bisannuelle\/\" 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\/onagre-glabre\/\" style=\"text-decoration:none;color:#24311f\">Onagre Glabre<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Oenothera glazioviana Micheli<\/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\/onagre-glabre\/\" 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 Onagrac\u00e9es Caract\u00e8res distinctifs de la famille \u2014 cliquez pour agrandir 11 plantes document\u00e9es dans cette famille Nom latin : Onagraceae 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-414","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/414","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=414"}],"version-history":[{"count":12,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/414\/revisions"}],"predecessor-version":[{"id":8612,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/414\/revisions\/8612"}],"wp:attachment":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/media?parent=414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}