{"id":436,"date":"2026-02-28T15:32:03","date_gmt":"2026-02-28T14:32:03","guid":{"rendered":"https:\/\/leprincedulac.fr\/?page_id=436"},"modified":"2026-04-12T19:22:12","modified_gmt":"2026-04-12T17:22:12","slug":"betulacees","status":"publish","type":"page","link":"https:\/\/leprincedulac.fr\/index.php\/betulacees\/","title":{"rendered":"B\u00e9tulac\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 B\u00e9tulac\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\/B%C3%A9tulac%C3%A9es.jpg\" alt=\"Planche des caract\u00e8res distinctifs de la famille des B\u00e9tulac\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>Betulaceae<\/em><\/p>\n<p><strong>Cl\u00e9 de d\u00e9termination sur le terrain :<\/strong><\/p>\n<ul>\n<li><strong>Arbres ou arbustes<\/strong> caducifoli\u00e9s, souvent pionniers<\/li>\n<li>Feuilles <strong>alternes<\/strong>, simples, \u00e0 bord dent\u00e9 ou doublement dent\u00e9, \u00e0 nervation penn\u00e9e bien marqu\u00e9e<\/li>\n<li>Stipules caduques pr\u00e9sentes<\/li>\n<li>Fleurs unisexu\u00e9es, plante <strong>mono\u00efque<\/strong> ; fleurs m\u00e2les en <strong>chatons pendants<\/strong> allong\u00e9s, souvent visibles avant les feuilles au printemps<\/li>\n<li>Fleurs femelles en chatons dress\u00e9s plus courts ou en petits glom\u00e9rules<\/li>\n<li>Fruit = <strong>ak\u00e8ne ail\u00e9<\/strong> (samare) chez les bouleaux, ou <strong>nucule<\/strong> sous-tendue par une bract\u00e9e foliac\u00e9e chez les charmes et les noisetiers<\/li>\n<li>\u00c9corce souvent caract\u00e9ristique : <strong>blanche et papyrac\u00e9e<\/strong> (bouleau), lisse et grise (charme), etc.<\/li>\n<\/ul>\n<p>Les chatons m\u00e2les pendants printaniers et les feuilles alternes dent\u00e9es \u00e0 nervation penn\u00e9e marqu\u00e9e orientent vers la famille. L&rsquo;\u00e9corce blanche du bouleau est un crit\u00e8re de terrain imm\u00e9diat.<\/p>\n<\/div><\/div>\n<div class=\"botafamily-alpha-index\"><a href=\"#letter-a\" class=\"alpha-letter\">A<\/a><a href=\"#letter-b\" class=\"alpha-letter\">B<\/a><a href=\"#letter-c\" class=\"alpha-letter\">C<\/a><a href=\"#letter-n\" class=\"alpha-letter\">N<\/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-a\" 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\">A<\/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\/aulne-blanc\/\" style=\"text-decoration:none;color:#24311f\">Aulne Blanc<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Alnus incana<\/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\/aulne-blanc\/\" 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\/aulne-glutineux\/\" style=\"text-decoration:none;color:#24311f\">Aulne Glutineux<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Alnus glutinosa<\/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\/aulne-glutineux\/\" 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\/aulne-vert\/\" style=\"text-decoration:none;color:#24311f\">Aulne Vert<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Alnus alnobetula<\/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\/aulne-vert\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-b\" 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\">B<\/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\/bouleau-blanc-et-verruqueux\/\" style=\"text-decoration:none;color:#24311f\">Bouleau Blanc Et Verruqueux<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Betula pendula Roth<\/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\/bouleau-blanc-et-verruqueux\/\" 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\/bouleau-nain\/\" style=\"text-decoration:none;color:#24311f\">Bouleau Nain<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Betula nana 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\/bouleau-nain\/\" 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\/bouleau-pubescent\/\" style=\"text-decoration:none;color:#24311f\">Bouleau Pubescent<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Betula pubescens Ehrh.<\/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\/bouleau-pubescent\/\" 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\/bouleau-verruqueux\/\" style=\"text-decoration:none;color:#24311f\">Bouleau Verruqueux<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Betula pendula Roth<\/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\/bouleau-verruqueux\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\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\/charme-commun\/\" style=\"text-decoration:none;color:#24311f\">Charme Commun<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Carpinus betulus 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\/charme-commun\/\" 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\/charme-houblon\/\" style=\"text-decoration:none;color:#24311f\">Charme-Houblon<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Ostrya carpinifolia Scop.<\/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\/charme-houblon\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-n\" 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\">N<\/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\/noisetier\/\" style=\"text-decoration:none;color:#24311f\">Noisetier<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Corylus avellana 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\/noisetier\/\" 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\/noisetier-de-byzance\/\" style=\"text-decoration:none;color:#24311f\">Noisetier De Byzance<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Corylus colurna 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\/noisetier-de-byzance\/\" 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 B\u00e9tulac\u00e9es Caract\u00e8res distinctifs de la famille \u2014 cliquez pour agrandir 11 plantes document\u00e9es dans cette famille Nom latin : Betulaceae 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-436","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/436","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=436"}],"version-history":[{"count":12,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/436\/revisions"}],"predecessor-version":[{"id":8576,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/436\/revisions\/8576"}],"wp:attachment":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/media?parent=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}