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Araceae [ ]
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class="grid-12"><h2 class="element-invisible">You are here</h2><div class="breadcrumb"><a href="/">Home</a> 禄 <a href="/classification/15">Species List</a> 禄 <a href="/species-list/monocots">Monocots</a> 禄 Araceae - </div></div> <div class="grid-4 region region-sidebar" id="region-sidebar"> <div class="region-inner region-sidebar-inner"> <section class="block block-blog contextual-links-region block-recent block-blog-recent odd" id="block-blog-recent"> <div class="block-inner clearfix"> <h2 class="block-title">Blog posts</h2> <div class="content clearfix"> <div class="item-list"><ul><li class="first"><a href="/content/some-unexpected-grain-aliens-mediterranean-and-south-africa-belgium-or-yet-australia">Some unexpected grain aliens from the Mediterranean and South Africa in Belgium. Or yet from Australia?</a></li><li><a href="/content/extraordinary-collection-alien-plants-dredging-sludge-bilzen-genk-belgium-2017">On an extraordinary collection of alien plants on dredging sludge in Bilzen-Genk (Belgium) in 2017</a></li><li><a href="/content/tourists-unexpected-vector-introduction-alien-plants-belgium">Tourists as an unexpected vector for the introduction of alien plants in Belgium</a></li><li><a href="/content/mini-symposium-aliens-and-invasive-species">Mini symposium on aliens and invasive species</a></li><li><a href="/content/not-every-far-eastern-mugwort-artemisia-verlotiorum">Not every Far Eastern mugwort is Artemisia verlotiorum!</a></li><li><a href="/content/yet-another-new-neglected-alien-rumex-belgium-rumex-fueginus">Yet another new neglected alien Rumex in Belgium: Rumex fueginus.</a></li><li><a href="/content/leonurus-cardiaca-subsp-villosus">Leonurus cardiaca subsp. villosus</a></li><li class="last"><a href="/content/dipsacus-strigosus-found-belgium-and-possibly-overlooked">Dipsacus strigosus found in Belgium and possibly overlooked</a></li></ul></div><div class="more-link"><a href="/blog" title="Read the latest blog entries.">More</a></div> </div> </div> </section><div class="block block-block contextual-links-region block-2 block-block-2 even block-without-title" id="block-block-2"> <div class="block-inner clearfix"> <div class="content clearfix"> <p></p> <p class="rtecenter"><img class="Image img__fid__4329 img__view_mode__file_styles_thumbnail attr__format__file_styles_thumbnail" height="52" id="3" src="http://alienplantsbelgium.be/sites/alienplantsbelgium.be/files/styles/thumbnail/public/Logo_MeiseBotanicGarden_rgb_0.jpg?itok=CIvKTf41" title="Logo_MeiseBotanicGarden_rgb.jpg" typeof="Image" width="100" /></p> </div> </div> </div><div class="block block-block contextual-links-region block-3 block-block-3 odd block-without-title" id="block-block-3"> <div class="block-inner clearfix"> <div class="content clearfix"> <p><a href="http://alienplantsbelgium.be/sites/alienplantsbelgium.be/files/tabel_2.pdf" target="_self" title="Catalogue of Neophytes in Belgium (PDF)">Catalogue of Neophytes in Belgium</a></p> <p><a href="https://alienplantsbelgium.myspecies.info/sites/alienplantsbelgium.be/files/Checklist.xlsx#overlay-context=species-list/conifers-and-their-allies">Updated Excel Version</a> Modifications in bold (last modified 2 April 2024)</p> </div> </div> </div><section class="block block-tinytax contextual-links-region block-15 block-tinytax-15 even" id="block-tinytax-15"> <div class="block-inner clearfix"> <h2 class="block-title">Species List</h2> <div class="content clearfix"> <div id="block-tinytax-15-ajax-content" class="ajaxblocks-wrapper-5"></div> </div> </div> </section> </div> </div><div class="grid-8 region region-content" id="region-content"> <div class="region-inner region-content-inner"> <a id="main-content"></a> <h1 class="title" id="page-title"> Araceae <span> </span> </h1> <div class="tabs clearfix"> <h2 class="element-invisible">Primary tabs</h2><ul class="tabs primary clearfix"><li><a href="/species-list/araceae">Overview</a></li><li class="active"><a href="/taxonomy/term/5396/descriptions" class="active">Descriptions<span class="element-invisible">(active tab)</span></a></li><li><a href="/taxonomy/term/5396/media">Media</a></li><li><a href="/taxonomy/term/5396/literature">Literature</a></li><li><a href="/taxonomy/term/5396/maps">Maps</a></li><li><a href="/taxonomy/term/5396/specimens">Specimens</a></li><li><a href="/taxonomy/term/5396/stats">Stats</a></li></ul> </div> <div class="block block-views contextual-links-region block-species-page-block block-views-species-page-block odd block-without-title gridless" id="block-views-species-page-block"> <div class="block-inner clearfix"> <div class="content clearfix"> <div class="view view-species-page view-id-species_page view-display-id-block alpha omega view-dom-id-e11afe73f3d666dce649a76da03926a1"> <div class="view-content"> <div class="item-list"> <ul> <li class="views-row views-row-1 views-row-odd views-row-first views-row-last"><article about="/content/araceae" typeof="foaf:Document" class="node node-page node-promoted contextual-links-region node-published node-not-sticky author-filip-verloove odd clearfix" id="node-page-3620"> <header> <h2 class="node-title">Araceae</h2> <span property="dc:title" content="Araceae" class="rdf-meta element-hidden"></span> </header> <div class="content clearfix"> <div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"> <p><strong>Araceae </strong></p> <p>(incl. Lemnaceae)</p> <p>(excl. Acoraceae)</p> <p><em>Acorus</em> L., usually included in Araceae, is here transferred to the monogeneric family Acoraceae. Ray (1987) already provided evidence for the exclusion of <em>Acorus</em> from Araceae, the absence of a spathe being the most notable distinguishing feature. His viewpoint was subsequently confirmed by molecular phylogenetic research (Chase 2004, Angiosperm Phylogeny Group III 2009). On the same grounds the Lemnaceae family is included in the Araceae.</p> <p>Very useful additional information on the Araceae (s.str.) is provided by the International Aroid Society on: <a href="http://www.aroid.org/">http://www.aroid.org/</a>. Similarly, interesting information on Lemnaceae is available here: <a href="http://waynesword.palomar.edu/1wayindx.htm#difficult">http://waynesword.palomar.edu/1wayindx.htm#difficult</a>.</p> <p>1. Plant aquatic, floating or submersed. Leaves pubescent or glabrous === 2</p> <p>1. Plant (sub-) terrestrial (but sometimes confined to wetlands). Leaves glabrous === 6</p> <p>2. Leaves pubescent, in dense rosette, 2-20 cm long === <a href="http://alienplantsbelgium.be/content/pistia-0" title="Pistia"><strong><em>Pistia</em></strong></a></p> <p>2. Leaves glabrous, never in rosette, usually less than 10 mm long (if slightly longer than leaves submersed) === 3</p> <p>3. Fronds rootless, globular, at most 1,6 mm long === <a href="http://alienplantsbelgium.be/content/wolffia"><strong><em>Wolffia</em></strong></a></p> <p>3. Fronds always rooted, flat, usually at least 1,6 mm long === 4</p> <p>4. Roots 1 per frond. Veins 1-3(-7). Lowerside of fronds never entirely purplish (but sometimes in part with purple pigmentation) === <a href="http://alienplantsbelgium.be/content/lemna-0" title="Lemna"><strong><em>Lemna</em></strong></a></p> <p>4. Roots numerous, up to 20 per frond. Veins usually more numerous, 5-16. Lowerside of fronds often entirely purplish === 5</p> <p>5. Fronds 1,5-2x as long as wide, 1-3 mm wide. Veins usually 5-9. Roots 2-10 === <a href="http://alienplantsbelgium.be/content/landoltia-0" title="Landoltia"><strong><em>Landoltia</em></strong></a></p> <p>5. Fronds 1-1,5x as long as wide, 3-6 mm wide. Veins usually 7-15. Roots 5-21 (native) === <em>Spirodela</em></p> <p>6. Leaves pedately divided in 7-15 lobes or leaflets ===<strong><em> <a href="http://alienplantsbelgium.be/content/sauromatum-0" title="Sauromatum">Sauromatum</a></em></strong></p> <p>6. Leaves undivided === 7</p> <p>7. Mature leaves hastate-sagittate at base, often spotted and/or white-veined. Spathe greenish or white === 8</p> <p>7. Mature leaves rounded-cuneate to cordate at base, concolourous. Spathe white or yellow, or intermediate === 9</p> <p>8. Spathe greenish, never pure white. Spadix with long appendix. Fruit a red berry, commonly produced === <a href="http://alienplantsbelgium.be/content/arum"><strong><em>Arum</em></strong></a></p> <p>8. Spathe white. Spadix without appendix. Fruit a yellow berry, probably never produced in Belgium === <a href="http://alienplantsbelgium.be/content/zantedeschia"><strong><em>Zantedeschia</em></strong></a></p> <p>9. Spathe white, 3-7 cm long, not enclosing the spadix. Spadix much longer than its stipe. Leaves appearing before flowering, cordate at base, at most 15 cm long (native) === <em>Calla</em></p> <p>9. Spathe white, yellow or yellowish white, 10-35 cm long, enclosing the stipe of the spadix. Spadix much shorter than its stipe. Leaves appearing at or soon after flowering, cuneate-rounded at base, often exceeding 100 cm === <a href="http://alienplantsbelgium.be/content/lysichiton-0" title="Lysichiton"><strong><em>Lysichiton</em></strong></a></p> <p></p> <p>References:</p> <p></p> <p><strong>APG III</strong> (2009) An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants. APG III. <em>Bot. J. Linn. Soc.</em> <strong>161(2)</strong>: 105-121.</p> <p><strong>Chase M.W.</strong> (2004) Monocot relationships: an overview. <em>Amer. J. Bot.</em> <strong>91(10)</strong>: 1645-1655.</p> <p><strong>Daubs E.H.</strong> (1965) A monograph of Lemnaceae. University of Illinois Press, Urbana: 118 p. [available online at: <a href="https://www.ideals.illinois.edu/bitstream/handle/2142/26697/monographoflemna34daub.pdf?sequence=1]">https://www.ideals.illinois.edu/bitstream/handle/2142/26697/monographofl...</a></p> <p><strong>Ray T.S.</strong> (1987) Leaf types in the Araceae. <em>Amer. J. Bot.</em> <strong>74</strong>: 1359-1372.</p> </div></div></div> </div> <footer class="submitted"><span property="dc:date dc:created" content="2010-12-21T08:36:09+01:00" datatype="xsd:dateTime">Tue, 2010-12-21 08:36</span> -- <span rel="sioc:has_creator"><a href="/users/filip-verloove" title="View user profile." class="username" xml:lang="" about="/users/filip-verloove" typeof="sioc:UserAccount" property="foaf:name" datatype="">Filip Verloove</a></span> <div class="user-picture"> <a href="/users/filip-verloove" title="View user profile."><img width="20px" height="20px" typeof="foaf:Image" src="http://www.gravatar.com/avatar/8a1d0dca9261f9f0944c0933874a98a7.jpg?d=https%3A//alienplantsbelgium.myspecies.info/sites/all/modules/contrib/gravatar/avatar.png&s=100&r=G" alt="http://www.gravatar.com/avatar/8a1d0dca9261f9f0944c0933874a98a7.jpg?d=https%3A//alienplantsbelgium.myspecies.info/sites/all/modules/contrib/gravatar/avatar.png&s=100&r=G" /></a> </div> </footer> <div class="clearfix"> <nav 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