{"id":401,"date":"2026-02-26T17:58:41","date_gmt":"2026-02-26T16:58:41","guid":{"rendered":"https:\/\/leprincedulac.fr\/?page_id=401"},"modified":"2026-04-12T19:22:40","modified_gmt":"2026-04-12T17:22:40","slug":"oleacees","status":"publish","type":"page","link":"https:\/\/leprincedulac.fr\/index.php\/oleacees\/","title":{"rendered":"Ol\u00e9ac\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 Ol\u00e9ac\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\/Ol%C3%A9ac%C3%A9es.jpg\" alt=\"Planche des caract\u00e8res distinctifs de la famille des Ol\u00e9ac\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\">8 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>Oleaceae<\/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 ou sempervirents<\/li>\n<li>Feuilles <strong>oppos\u00e9es<\/strong>, simples (tro\u00e8ne, olivier, lilas) ou <strong>compos\u00e9es penn\u00e9es<\/strong> (fr\u00eane) \u2014 l&rsquo;opposition des feuilles est constante dans la famille<\/li>\n<li>Fleurs <strong>actinomorphes<\/strong>, \u00e0 corolle soud\u00e9e \u00e0 <strong>4 lobes<\/strong> (parfois 0 chez le fr\u00eane), souvent blanches ou lilas, souvent parfum\u00e9es<\/li>\n<li><strong>2 \u00e9tamines<\/strong> seulement (caract\u00e8re distinctif majeur \u2014 peu de familles d&rsquo;arbres n&rsquo;ont que 2 \u00e9tamines)<\/li>\n<li>Ovaire <strong>sup\u00e8re<\/strong>, \u00e0 2 loges<\/li>\n<li>Fruit tr\u00e8s variable : <strong>samare<\/strong> ail\u00e9e (fr\u00eane), <strong>drupe<\/strong> (olivier, tro\u00e8ne), <strong>capsule<\/strong> (lilas, forsythia), <strong>baie<\/strong> (jasmin)<\/li>\n<\/ul>\n<p>Les feuilles oppos\u00e9es sur un arbre ou arbuste et les 2 \u00e9tamines par fleur forment le couple diagnostique. Le fr\u00eane se reconna\u00eet \u00e0 ses feuilles compos\u00e9es oppos\u00e9es et ses samares ; l&rsquo;olivier \u00e0 ses feuilles argent\u00e9es et ses drupes.<\/p>\n<\/div><\/div>\n<div class=\"botafamily-alpha-index\"><a href=\"#letter-f\" class=\"alpha-letter\">F<\/a><a href=\"#letter-j\" class=\"alpha-letter\">J<\/a><a href=\"#letter-l\" class=\"alpha-letter\">L<\/a><a href=\"#letter-o\" class=\"alpha-letter\">O<\/a><a href=\"#letter-t\" class=\"alpha-letter\">T<\/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-f\" 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\">F<\/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\/filaire-a-feuilles-etroites\/\" style=\"text-decoration:none;color:#24311f\">Filaire \u00c0 Feuilles \u00c9troites<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Phillyrea angustifolia 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\/filaire-a-feuilles-etroites\/\" 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\/filaire-a-feuilles-larges\/\" style=\"text-decoration:none;color:#24311f\">Filaire \u00c0 Feuilles Larges<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Phillyrea latifolia 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\/filaire-a-feuilles-larges\/\" 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\/frene-eleve\/\" style=\"text-decoration:none;color:#24311f\">Fr\u00eane \u00c9lev\u00e9<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Fraxinus excelsior 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\/frene-eleve\/\" 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\/frene-oxyphylle\/\" style=\"text-decoration:none;color:#24311f\">Fr\u00eane Oxyphylle<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Fraxinus angustifolia Vahl<\/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\/frene-oxyphylle\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-j\" 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\">J<\/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\/jasmin-officinal\/\" style=\"text-decoration:none;color:#24311f\">Jasmin Officinal<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Jasminum officinale 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\/jasmin-officinal\/\" 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\/lilas-commun\/\" style=\"text-decoration:none;color:#24311f\">Lilas Commun<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Syringa vulgaris 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\/lilas-commun\/\" 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\/olivier\/\" style=\"text-decoration:none;color:#24311f\">Olivier<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Olea europaea 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\/olivier\/\" style=\"color:#6c4728;text-decoration:none\">Voir la fiche<\/a><\/p>\n<\/p><\/div>\n<\/article><\/div>\n<\/section>\n<section id=\"letter-t\" 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\">T<\/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\/troene-commun\/\" style=\"text-decoration:none;color:#24311f\">Tro\u00e8ne Commun<\/a><\/h3>\n<p class=\"botafamily-scientific\" style=\"margin:.12rem 0 0;color:#5c664d;font-size:.95rem;line-height:1.45\"><em>Ligustrum vulgare 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\/troene-commun\/\" 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 Ol\u00e9ac\u00e9es Caract\u00e8res distinctifs de la famille \u2014 cliquez pour agrandir 8 plantes document\u00e9es dans cette famille Nom latin : Oleaceae 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-401","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/401","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=401"}],"version-history":[{"count":12,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/401\/revisions"}],"predecessor-version":[{"id":8611,"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/pages\/401\/revisions\/8611"}],"wp:attachment":[{"href":"https:\/\/leprincedulac.fr\/index.php\/wp-json\/wp\/v2\/media?parent=401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}