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class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aparença" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aparença</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_ca.wikipedia.org&uselang=ca" class=""><span>Donatius</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" 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href="/wiki/Especial:Contribucions_pr%C3%B2pies" title="Una llista de les modificacions fetes des d'aquesta adreça IP [y]" accesskey="y"><span>Contribucions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:Discussi%C3%B3_personal" title="Discussió sobre les edicions per aquesta adreça ip. [n]" accesskey="n"><span>Discussió per aquest IP</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Lloc"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contingut" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contingut</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">amaga</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inici</div> </a> </li> <li id="toc-Estructura" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Estructura"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Estructura</span> </div> </a> <button aria-controls="toc-Estructura-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Commuta la subsecció Estructura</span> </button> <ul id="toc-Estructura-sublist" class="vector-toc-list"> <li id="toc-Bràctees" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Bràctees"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Bràctees</span> </div> </a> <ul id="toc-Bràctees-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Història" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Història"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Història</span> </div> </a> <ul id="toc-Història-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referències" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referències"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Referències</span> </div> </a> <ul id="toc-Referències-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Enllaços_externs" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Enllaços_externs"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Enllaços externs</span> </div> </a> <ul id="toc-Enllaços_externs-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contingut" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Commuta la taula de continguts." > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Commuta la taula de continguts.</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><i>Rheum nobile</i></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vés a un article en una altra llengua. Disponible en 17 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-17" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">17 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D8%A7%D9%88%D9%86%D8%AF_%D9%86%D8%A8%D9%8A%D9%84" title="راوند نبيل - àrab" lang="ar" hreflang="ar" data-title="راوند نبيل" data-language-autonym="العربية" data-language-local-name="àrab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B1%D8%A7%D9%88%D9%86%D8%AF_%D9%86%D8%A8%D9%8A%D9%84" title="راوند نبيل - àrab egipci" lang="arz" hreflang="arz" data-title="راوند نبيل" data-language-autonym="مصرى" data-language-local-name="àrab egipci" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - asturià" lang="ast" hreflang="ast" data-title="Rheum nobile" data-language-autonym="Asturianu" data-language-local-name="asturià" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - azerbaidjanès" lang="az" hreflang="az" data-title="Rheum nobile" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaidjanès" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - cebuà" lang="ceb" hreflang="ceb" data-title="Rheum nobile" data-language-autonym="Cebuano" data-language-local-name="cebuà" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - anglès" lang="en" hreflang="en" data-title="Rheum nobile" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - espanyol" lang="es" hreflang="es" data-title="Rheum nobile" data-language-autonym="Español" data-language-local-name="espanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - francès" lang="fr" hreflang="fr" data-title="Rheum nobile" data-language-autonym="Français" data-language-local-name="francès" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - croat" lang="hr" hreflang="hr" data-title="Rheum nobile" data-language-autonym="Hrvatski" data-language-local-name="croat" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%BB%E3%82%A4%E3%82%BF%E3%82%AB%E3%83%80%E3%82%A4%E3%82%AA%E3%82%A6" title="セイタカダイオウ - japonès" lang="ja" hreflang="ja" data-title="セイタカダイオウ" data-language-autonym="日本語" data-language-local-name="japonès" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B0%E0%A8%BF%E0%A8%89%E0%A8%AE_%E0%A8%A8%E0%A9%8B%E0%A8%AC%E0%A8%B2" title="ਰਿਉਮ ਨੋਬਲ - panjabi" lang="pa" hreflang="pa" data-title="ਰਿਉਮ ਨੋਬਲ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - polonès" lang="pl" hreflang="pl" data-title="Rheum nobile" data-language-autonym="Polski" data-language-local-name="polonès" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A0%D0%B5%D0%B2%D0%B5%D0%BD%D1%8C_%D0%B1%D0%BB%D0%B0%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%BD%D1%8B%D0%B9" title="Ревень благородный - rus" lang="ru" hreflang="ru" data-title="Ревень благородный" data-language-autonym="Русский" data-language-local-name="rus" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - suec" lang="sv" hreflang="sv" data-title="Rheum nobile" data-language-autonym="Svenska" data-language-local-name="suec" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - vietnamita" lang="vi" hreflang="vi" data-title="Rheum nobile" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Rheum_nobile" title="Rheum nobile - waray" lang="war" hreflang="war" data-title="Rheum nobile" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%A1%94%E9%BB%84" title="塔黄 - xinès" lang="zh" hreflang="zh" data-title="塔黄" data-language-autonym="中文" data-language-local-name="xinès" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q721018#sitelinks-wikipedia" title="Modifica enllaços interlingües" class="wbc-editpage">Modifica els enllaços</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espais de noms"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Rheum_nobile" title="Vegeu el contingut de la pàgina [c]" accesskey="c"><span>Pàgina</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussi%C3%B3:Rheum_nobile&action=edit&redlink=1" rel="discussion" class="new" title="Discussió sobre el contingut d'aquesta pàgina (encara no existeix) [t]" accesskey="t"><span>Discussió</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Canvia la variant de llengua" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">català</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistes"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Rheum_nobile"><span>Mostra</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Rheum_nobile&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Rheum_nobile&action=history" title="Versions antigues d'aquesta pàgina [h]" accesskey="h"><span>Mostra l'historial</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Eines" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Eines</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Eines</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">amaga</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Més opcions" > <div class="vector-menu-heading"> Accions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Rheum_nobile"><span>Mostra</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Rheum_nobile&action=edit" title="Modifica el codi font d'aquesta pàgina [e]" accesskey="e"><span>Modifica</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Rheum_nobile&action=history"><span>Mostra l'historial</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:Enlla%C3%A7os/Rheum_nobile" title="Una llista de totes les pàgines wiki que enllacen amb aquesta [j]" accesskey="j"><span>Què hi enllaça</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Seguiment/Rheum_nobile" rel="nofollow" title="Canvis recents a pàgines enllaçades des d'aquesta pàgina [k]" accesskey="k"><span>Canvis relacionats</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A0gines_especials" title="Llista totes les pàgines especials [q]" accesskey="q"><span>Pàgines especials</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Rheum_nobile&oldid=32910383" title="Enllaç permanent a aquesta revisió de la pàgina"><span>Enllaç permanent</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Rheum_nobile&action=info" title="Més informació sobre aquesta pàgina"><span>Informació de la pàgina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citau&page=Rheum_nobile&id=32910383&wpFormIdentifier=titleform" title="Informació sobre com citar aquesta pàgina"><span>Citau aquest article</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FRheum_nobile"><span>Obtén una URL abreujada</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fca.wikipedia.org%2Fwiki%2FRheum_nobile"><span>Descarrega el codi QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimeix/exporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Llibre&bookcmd=book_creator&referer=Rheum+nobile"><span>Crea un llibre</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=Rheum_nobile&action=show-download-screen"><span>Baixa com a PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Rheum_nobile&printable=yes" title="Versió per a impressió d'aquesta pàgina [p]" accesskey="p"><span>Versió per a impressora</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> En altres projectes </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Rheum_nobile" hreflang="en"><span>Commons</span></a></li><li class="wb-otherproject-link wb-otherproject-species mw-list-item"><a href="https://species.wikimedia.org/wiki/Rheum_nobile" hreflang="en"><span>Viquiespècies</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q721018" title="Enllaç a l'element del repositori de dades connectat [g]" accesskey="g"><span>Element a Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Eines de la pàgina"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aparença"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aparença</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mou a la barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">amaga</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">De la Viquipèdia, l'enciclopèdia lliure</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ca" dir="ltr"><table class="infobox" style="font-size:90%;width:25em"><caption style="font-weight:bold;color: #202122; background-color: gold; text-align: center; font-size: 1.35em;"><span style="float:left;"><span class="skin-invert" typeof="mw:File"><a href="/wiki/Fitxer:Butterfly_icon_(Noun_Project).svg" class="mw-file-description" title="Infotaula d'ésser viu"><img alt="Infotaula d'ésser viu" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Butterfly_icon_%28Noun_Project%29.svg/25px-Butterfly_icon_%28Noun_Project%29.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Butterfly_icon_%28Noun_Project%29.svg/38px-Butterfly_icon_%28Noun_Project%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/Butterfly_icon_%28Noun_Project%29.svg/50px-Butterfly_icon_%28Noun_Project%29.svg.png 2x" data-file-width="100" data-file-height="100" /></a></span></span><i>Rheum nobile</i> <span class="penicon" data-bridge-edit-flow="single-best-value"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q721018?uselang=ca#P225" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></caption><tbody><tr><td colspan="2" class="infobox-full-data infobox-data" style="text-align:center"><span typeof="mw:File"><a href="/wiki/Fitxer:Rheum_nobile_(photo_Bill_Baker).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Rheum_nobile_%28photo_Bill_Baker%29.jpg/205px-Rheum_nobile_%28photo_Bill_Baker%29.jpg" decoding="async" width="205" height="300" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/4/4e/Rheum_nobile_%28photo_Bill_Baker%29.jpg 1.5x" data-file-width="308" data-file-height="450" /></a></span><br /> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q721018?uselang=ca#P18" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></td></tr><tr><td colspan="2" class="infobox-full-data infobox-data" style="text-align:center;text-align: start;"><div class="center" style="width:auto; margin-left:auto; margin-right:auto;"> </div></td></tr><tr><th colspan="2" class="infobox-header" style="text-align:center;color: #202122; background-color: gold">Taxonomia</th></tr><tr><td colspan="2" class="infobox-full-data infobox-data" style="text-align:center;text-align: start;"></td></tr><tr><td style="background:#eeeeee;">Superregne</td><td><i><a href="/wiki/Eucariotes" title="Eucariotes">Eukaryota</a></i></td></tr><tr><td style="background:#eeeeee;">Regne</td><td><i><a href="/wiki/Plantes" title="Plantes">Plantae</a></i></td></tr><tr><td style="background:#eeeeee;">Ordre</td><td><i><a href="/wiki/Cariofil%C2%B7lals" title="Cariofil·lals">Caryophyllales</a></i></td></tr><tr><td style="background:#eeeeee;">Família</td><td><i><a href="/wiki/Poligon%C3%A0cies" title="Poligonàcies">Polygonaceae</a></i></td></tr><tr><td style="background:#eeeeee;">Gènere</td><td><i><a href="/wiki/Ruibarbre" title="Ruibarbre">Rheum</a></i></td></tr><tr><td style="background:#eeeeee;">Espècie</td><td><i><b>Rheum nobile <span class="penicon" data-bridge-edit-flow="single-best-value"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q721018?uselang=ca#P225" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></b></i><br /><span style="font-style:normal; font-size: smaller;"><span style="font-variant:small-caps; font-variant-caps: small-caps;"><a href="/wiki/Hook.f." class="mw-redirect" title="Hook.f.">Hook.f.</a> i <a href="/w/index.php?title=Thomas_Thomson_(1817-1878)&action=edit&redlink=1" class="new" title="Thomas Thomson (1817-1878) (encara no existeix)">Thomson</a></span></span></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data infobox-data" style="text-align:center;text-align: start;"><div class="center" style="width:auto; margin-left:auto; margin-right:auto;"> </div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Rheum_nobile.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Rheum_nobile.jpg/220px-Rheum_nobile.jpg" decoding="async" width="220" height="302" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Rheum_nobile.jpg/330px-Rheum_nobile.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Rheum_nobile.jpg/440px-Rheum_nobile.jpg 2x" data-file-width="2602" data-file-height="3572" /></a><figcaption>Detalls botànics</figcaption></figure> <p><i><b>Rheum nobile</b></i>, en <a href="/wiki/Angl%C3%A8s" title="Anglès">anglès</a>: <i>Noble rhubarb</i> o <b>Sikkim rhubarb</b>, és una espècie de planta herbàcia gegantina originària de l'<a href="/wiki/Him%C3%A0laia" title="Himàlaia">Himàlaia</a>, des del nord-est de l'<a href="/wiki/Afganistan" title="Afganistan">Afganistan</a>, a nord del <a href="/wiki/Pakistan" title="Pakistan">Pakistan</a> i <a href="/wiki/%C3%8Dndia" title="Índia">Índia</a>, <a href="/wiki/Nepal" title="Nepal">Nepal</a>, <a href="/wiki/Sikkim" title="Sikkim">Sikkim</a> (a l'Índia), <a href="/wiki/Bhutan" title="Bhutan">Bhutan</a>, i <a href="/wiki/Tibet" title="Tibet">Tibet</a> fins a <a href="/wiki/Myanmar" title="Myanmar">Myanmar</a>, es presenta en la tundra alpina a altituds de 4000–4800 metres.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Fa 1-2 m d'alt i es veu des de molt lluny.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Les <a href="/wiki/Br%C3%A0ctees" class="mw-redirect" title="Bràctees">bràctees</a> translúcides de <i>R. nobile</i> creen un <i>efecte hivernacle</i> que bloqueja la <a href="/wiki/Radiaci%C3%B3_ultraviolada" class="mw-redirect" title="Radiació ultraviolada">radiació ultraviolada</a> cosa molt útil per les plantes que viuen a grans alçades.<sup id="cite_ref-IwasIntro_3-0" class="reference"><a href="#cite_note-IwasIntro-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Estructura">Estructura</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=1" title="Modifica la secció: Estructura"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Una planta individual de <i>R. nobile</i> té una forma de torre cònica amb les fulles grosses i lluents amb el pecíol i els nervis vermells, les flors són petites.<sup id="cite_ref-Hook94_4-0" class="reference"><a href="#cite_note-Hook94-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Les tiges són consumides per la població local. </p> <div class="mw-heading mw-heading3"><h3 id="Bràctees"><span id="Br.C3.A0ctees"></span>Bràctees</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=2" title="Modifica la secció: Bràctees"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Les bràctees de <i>R. nobile</i> fan 110-170 <a href="/wiki/Micr%C3%B2metre_(unitat)" class="mw-redirect" title="Micròmetre (unitat)">µm</a> de gruix. Per bloquejar la radiació ultraviolada disposa del <a href="/wiki/Flavonoide" title="Flavonoide">flavonoide</a> <a href="/w/index.php?title=Quercitina&action=edit&redlink=1" class="new" title="Quercitina (encara no existeix)">quercitina</a><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <ul><li><a href="/wiki/Rutina_(flavonoide)" title="Rutina (flavonoide)">rutina</a>, quercetina 3-<i>O</i>-<a href="/w/index.php?title=Rutin%C3%B2sid&action=edit&redlink=1" class="new" title="Rutinòsid (encara no existeix)">rutinòsid</a></li> <li><a href="/w/index.php?title=Guaijaverina&action=edit&redlink=1" class="new" title="Guaijaverina (encara no existeix)">Guaijaverina</a>, quercetina 3-<i>O</i>-<a href="/w/index.php?title=Arabin%C3%B2sid&action=edit&redlink=1" class="new" title="Arabinòsid (encara no existeix)">arabinòsid</a></li> <li><a href="/w/index.php?title=Hiperina&action=edit&redlink=1" class="new" title="Hiperina (encara no existeix)">Hiperina</a>, quercetina 3-<i>O</i>-<a href="/w/index.php?title=Galact%C3%B2sid&action=edit&redlink=1" class="new" title="Galactòsid (encara no existeix)">galactòsid</a></li> <li><a href="/w/index.php?title=Isoquercitrina&action=edit&redlink=1" class="new" title="Isoquercitrina (encara no existeix)">Isoquercitrina</a>, <a href="/wiki/Quercetina" title="Quercetina">quercetina</a> 3-<i>O</i>-<a href="/wiki/Gluc%C3%B2sid" title="Glucòsid">glucòsid</a></li> <li>Quercetina 3-<i>O</i>-[6″-(3-hidroxi-3-metilglutaroil)-glucòsid]</li></ul> <div class="mw-heading mw-heading2"><h2 id="Història"><span id="Hist.C3.B2ria"></span>Història</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=3" title="Modifica la secció: Història"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fitxer:Rheum_nobile_scene.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Rheum_nobile_scene.jpg/220px-Rheum_nobile_scene.jpg" decoding="async" width="220" height="289" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Rheum_nobile_scene.jpg/330px-Rheum_nobile_scene.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Rheum_nobile_scene.jpg/440px-Rheum_nobile_scene.jpg 2x" data-file-width="690" data-file-height="906" /></a><figcaption>Esbòs de Hooker</figcaption></figure> <p>La primera descripció publicada de <i>R. nobile</i> va seracàrrec de <a href="/wiki/Joseph_Dalton_Hooker" title="Joseph Dalton Hooker">Joseph Dalton Hooker</a> i <a href="/w/index.php?title=Thomas_Thomson_(1817-1878)&action=edit&redlink=1" class="new" title="Thomas Thomson (1817-1878) (encara no existeix)">Thomas Thomson</a> el 1855. </p> <div class="mw-heading mw-heading2"><h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=4" title="Modifica la secció: Referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="citation book" style="font-style:normal" id="CITEREFHooker1855"><a href="/wiki/Joseph_Dalton_Hooker" title="Joseph Dalton Hooker"><span style="font-variant: small-caps;">Hooker</span>, Joseph Dalton</a>; J. F. Cathcart and W. H. Fitch. <a rel="nofollow" class="external text" href="http://www.illustratedgarden.org/mobot/rarebooks/page.asp?relation=QK34933H661855&identifier=0036"><i>Illustrations of Himalayan plants</i></a>.  Londres: L. Reeve, 1855, p. 93–95. <span style="font-size:90%;"><a href="/wiki/Nombre_de_Control_de_la_Biblioteca_del_Congr%C3%A9s" class="mw-redirect" title="Nombre de Control de la Biblioteca del Congrés">LCCN</a> <a rel="nofollow" class="external text" href="http://lccn.loc.gov/05024640">05024640</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Illustrations+of+Himalayan+plants&rft.aulast=Hooker&rft.aufirst=Joseph+Dalton&rft.date=1855&rft.pub=L.+Reeve&rft.place=Londres&rft.pages=93%E2%80%9395&rft_id=http%3A%2F%2Fwww.illustratedgarden.org%2Fmobot%2Frarebooks%2Fpage.asp%3Frelation%3DQK34933H661855%26identifier%3D0036"><span style="display: none;"> </span></span></li> <li><span class="citation" style="font-style:normal">T. Iwashina and 5 others «<a rel="nofollow" class="external text" href="http://www.springerlink.com/openurl.asp?genre=article&eissn=1618-0860&volume=117&issue=2&spage=101">Flavonoids in translucent bracts of the Himalayan <i>Rheum nobile</i> (Polygonaceae) as ultraviolet shields</a>». <i>Journal of Plant Research</i>, 117, 2, abril 2004, pàg. 101–107. <a href="/wiki/DOI" title="DOI">DOI</a>: <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2Fs10265-003-0134-2">10.1007/s10265-003-0134-2</a>. <a href="/wiki/PubMed" title="PubMed">PMID</a>: <a href="https://www.ncbi.nlm.nih.gov/pubmed/14749969?dopt=Abstract" class="extiw" title="pmid:14749969">14749969</a>.</span><sup class="noprint Inline-Template"><span title="" style="white-space: nowrap;"><i>[<a href="/wiki/Viquip%C3%A8dia:Enlla%C3%A7os_externs#Manteniment_d'enllaços_externs" title="Viquipèdia:Enllaços externs">Enllaç no actiu</a>]</i></span></sup></li> <li><span class="citation" style="font-style:normal" id="CITEREFTsukaya2002"><span style="font-variant: small-caps;">Tsukaya</span>, Hirokazu «<a rel="nofollow" class="external text" href="http://www.springerlink.com/openurl.asp?genre=article&eissn=1618-0860&volume=115&issue=1&spage=59">Optical and anatomical characteristics of bracts from the Chinese "glasshouse" plant, <i>Rheum alexandrae</i> Batalin (Polygonaceae), in Yunnan, China</a>». <i>Journal of Plant Research</i>, 115, 1, febrer 2002, pàg. 59–63. <a href="/wiki/DOI" title="DOI">DOI</a>: <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1007%2Fs102650200009">10.1007/s102650200009</a>.</span><sup class="noprint Inline-Template"><span title="" style="white-space: nowrap;"><i>[<a href="/wiki/Viquip%C3%A8dia:Enlla%C3%A7os_externs#Manteniment_d'enllaços_externs" title="Viquipèdia:Enllaços externs">Enllaç no actiu</a>]</i></span></sup></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=5" title="Modifica la secció: Notes"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242343391">Rheum nobile</a>». <i>Flora of China</i>.  eFloras.org. [Consulta: 11 juny 2006].</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="citation" style="font-style:normal">«<a rel="nofollow" class="external text" href="http://worldwildlife.org/ecoregions/pa1003">Eastern Himalayan alpine shrub and meadows</a>». <i>Terrestrial Ecoregions</i>.  World Wildlife Fund.</span></span> </li> <li id="cite_note-IwasIntro-3"><span class="mw-cite-backlink"><a href="#cite_ref-IwasIntro_3-0">↑</a></span> <span class="reference-text">Iwashina et al. p.101</span> </li> <li id="cite_note-Hook94-4"><span class="mw-cite-backlink"><a href="#cite_ref-Hook94_4-0">↑</a></span> <span class="reference-text">Hooker p.94</span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">Iwashina et al. 104-106</span> </li> </ol></div></div> <div class="reflist {{#if: | references-column-count references-column-count-{{{col}}}" style="list-style-type: decimal;"> </div> <div class="mw-heading mw-heading2"><h2 id="Enllaços_externs"><span id="Enlla.C3.A7os_externs"></span>Enllaços externs</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Rheum_nobile&action=edit&section=6" title="Modifica la secció: Enllaços 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plainlinks"> <div class="side-box-flex"> <div class="side-box-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">A <span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/P%C3%A0gina_principal?uselang=ca">Wikimedia Commons</a></span> hi ha contingut multimèdia relatiu a: <i><b><a href="https://commons.wikimedia.org/wiki/Category:Rheum_nobile" class="extiw" title="commons:Category:Rheum nobile">Rheum nobile</a></b></i></div></div> </div> <ul><li><a rel="nofollow" class="external text" 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