469 lines
30 KiB
XML
469 lines
30 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.215.94591" ID-Pensoft-Pub="1314-2003-215-37" ID-Pensoft-UUID="CF64B07B72865652A0F582E2BF0447E4" ModsDocID="1314-2003-215-37" checkinTime="1670952478521" checkinUser="pensoft" docAuthor="Triyutthachai, Natthawut, Fu, Long-Fei, Triboun, Pramote, Wei, Yi-Gang & Pornpongrungrueng, Pimwadee" docDate="2022" docId="F061AC4CF9D058AFBE418F3B0F2E2961" docLanguage="en" docName="PhytoKeys 215: 37-50" docOrigin="PhytoKeys 215" docPubDate="2022-12-13" docSource="http://dx.doi.org/10.3897/phytokeys.215.94591" docTitle="Elatostema kaweesakii Triyutth. & L. F. Fu 2022, sp. nov." docType="treatment" docVersion="2" id="CF64B07B72865652A0F582E2BF0447E4" lastPageNumber="37" masterDocId="CF64B07B72865652A0F582E2BF0447E4" masterDocTitle="Three new species of Elatostema (Urticaceae) from Thailand" masterLastPageNumber="50" masterPageNumber="37" pageNumber="37" updateTime="1670952779078" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Three new species of Elatostema (Urticaceae) from Thailand</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Triyutthachai, Natthawut</mods:namePart>
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<mods:affiliation>Applied Taxonomic Research Center, Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Fu, Long-Fei</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8708-4718</mods:nameIdentifier>
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<mods:affiliation>Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Triboun, Pramote</mods:namePart>
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<mods:affiliation>National Biobank of Thailand, National Science and Technology Development Agency, Thailand Science Park, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wei, Yi-Gang</mods:namePart>
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<mods:affiliation>Guangxi Key Laboratory of Plant Conservation and Restoration Ecology in Karst Terrain, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, 541006, China</mods:affiliation>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Pornpongrungrueng, Pimwadee</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7998-2064</mods:nameIdentifier>
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<mods:affiliation>Applied Taxonomic Research Center, Department of Biology, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand</mods:affiliation>
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<mods:nameIdentifier type="email">ppimwa@kku.ac.th</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-12-13</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>215</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>37</mods:start>
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<mods:end>50</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.215.94591</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.215.94591</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-215-37</mods:identifier>
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<mods:identifier type="Pensoft-UUID">CF64B07B72865652A0F582E2BF0447E4</mods:identifier>
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</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:F061AC4CF9D058AFBE418F3B0F2E2961" httpUri="http://treatment.plazi.org/id/F061AC4CF9D058AFBE418F3B0F2E2961" lastPageNumber="37" pageId="0" pageNumber="37">
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<subSubSection pageId="0" pageNumber="37" type="nomenclature">
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<paragraph pageId="0" pageNumber="37">
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1.
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<taxonomicName LSID="F061AC4C-F9D0-58AF-BE41-8F3B0F2E2961" authority="Triyutth. & L. F. Fu" authorityName="Triyutth. & L. F. Fu" authorityYear="2022" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Elatostema kaweesakii" order="Rosales" pageId="0" pageNumber="37" phylum="Tracheophyta" rank="species" species="kaweesakii" status="sp. nov.">Elatostema kaweesakii Triyutth. & L.F.Fu</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="37">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="description">
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<paragraph pageId="0" pageNumber="37">
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Elatostema kaweesakii Triyutth. & L. F. Fu, sp. nov. A habit B staminate inflorescence C staminate flower D pistillate inflorescence E pistillate flower F bracteole G achene (Drawn by N. Triyutthachai)." figureDoi="10.3897/phytokeys.215.94591.figure1" httpUri="https://binary.pensoft.net/fig/781039" pageId="0" pageNumber="37">Figs 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Elatostema kaweesakii Triyutth. & L. F. Fu, sp. nov. A habit and habitat B pistillate inflorescence C staminate inflorescences (Photos A, C by K. Keeratikiat, B by Triyutth)." figureDoi="10.3897/phytokeys.215.94591.figure2" httpUri="https://binary.pensoft.net/fig/781040" pageId="0" pageNumber="37">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="37" type="diagnosis">
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<paragraph pageId="0" pageNumber="37">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="37">
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<taxonomicName authorityName="Triyutth. & L. F. Fu" authorityYear="2022" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Elatostema kaweesakii" order="Rosales" pageId="0" pageNumber="37" phylum="Tracheophyta" rank="species" species="kaweesakii">
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<emphasis italics="true" pageId="0" pageNumber="37">Elatostema kaweesakii</emphasis>
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</taxonomicName>
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is similar to
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<taxonomicName lsidName="E. atroviride" pageId="0" pageNumber="37" rank="species" species="atroviride">
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<emphasis italics="true" pageId="0" pageNumber="37">E. atroviride</emphasis>
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</taxonomicName>
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W.T. Wang but differed by its large swollen rhizome, staminate inflorescences with 2-7 cm long peduncle, receptacle rectangular, glabrous, staminate flower with 5 ovate tepals, pistillate inflorescences with 5-10 mm long peduncle, receptacle rectangular, glabrous, pistillate flower without tepals, staminode present and achene smooth (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of Elatostema atroviride, E. bulbiferum, E. kaweesakii, E. rubricaule and E. saxatile." httpUri="http://table.plazi.org/id/2BF2283346A8DED797059D2DBC48C144" pageId="0" pageNumber="37" tableUuid="2BF2283346A8DED797059D2DBC48C144">1</tableCitation>
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).
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</paragraph>
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<caption ID-Table-UUID="2BF2283346A8DED797059D2DBC48C144" httpUri="http://table.plazi.org/id/2BF2283346A8DED797059D2DBC48C144" pageId="0" pageNumber="37" start="Table 1" startId="T1">
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<paragraph pageId="0" pageNumber="37">
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<emphasis bold="true" pageId="0" pageNumber="37">Table 1.</emphasis>
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Comparison of
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<taxonomicName class="Magnoliopsida" family="Urticaceae" genus="Elatostema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Elatostema atroviride" order="Rosales" pageId="0" pageNumber="37" phylum="Tracheophyta" rank="species" species="atroviride">
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<emphasis italics="true" pageId="0" pageNumber="37">Elatostema atroviride</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="E. bulbiferum" pageId="0" pageNumber="37" rank="species" species="bulbiferum">
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<emphasis italics="true" pageId="0" pageNumber="37">E. bulbiferum</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="E. kaweesakii" pageId="0" pageNumber="37" rank="species" species="kaweesakii">
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<emphasis italics="true" pageId="0" pageNumber="37">E. kaweesakii</emphasis>
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</taxonomicName>
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,
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<taxonomicName lsidName="E. rubricaule" pageId="0" pageNumber="37" rank="species" species="rubricaule">
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<emphasis italics="true" pageId="0" pageNumber="37">E. rubricaule</emphasis>
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</taxonomicName>
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and
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<taxonomicName lsidName="E. saxatile" pageId="0" pageNumber="37" rank="species" species="saxatile">
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<emphasis italics="true" pageId="0" pageNumber="37">E. saxatile</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</caption>
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<paragraph pageId="0" pageNumber="37">
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<table pageId="0" pageNumber="37">
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<tr pageId="0" pageNumber="37">
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">Characters</th>
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">
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<taxonomicName lsidName="E. atroviride" pageId="0" pageNumber="37" rank="species" species="atroviride">
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<emphasis italics="true" pageId="0" pageNumber="37">E. atroviride</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">
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<taxonomicName lsidName="E. kaweesakii" pageId="0" pageNumber="37" rank="species" species="kaweesakii">
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<emphasis italics="true" pageId="0" pageNumber="37">E. kaweesakii</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">
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<taxonomicName lsidName="E. rubricaule" pageId="0" pageNumber="37" rank="species" species="rubricaule">
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<emphasis italics="true" pageId="0" pageNumber="37">E. rubricaule</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">
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<taxonomicName lsidName="E. saxatile" pageId="0" pageNumber="37" rank="species" species="saxatile">
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<emphasis italics="true" pageId="0" pageNumber="37">E. saxatile</emphasis>
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</taxonomicName>
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</th>
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<th colspan="1" pageId="0" pageNumber="37" rowspan="1">
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<taxonomicName lsidName="E. bulbiferum" pageId="0" pageNumber="37" rank="species" species="bulbiferum">
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<emphasis italics="true" pageId="0" pageNumber="37">E. bulbiferum</emphasis>
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</taxonomicName>
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</th>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Habitat</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">lithophyte in limestone soils</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">lithophyte in limestone crevices</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">lithophyte on sandstone rocks</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">lithophyte on sandstone rocks</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">lithophyte in limestone crevices</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Rhizome</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">slender rhizome or stoloniferous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">large swollen rounded rhizome</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">flattened, disk-like rhizome</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">flattened, disk-like rhizome</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">swollen rounded rhizome</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Stem</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Simple or branched, greenish, pubescent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Simple or branched, greenish, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Simple, reddish, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Simple or branched, greenish, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Simple or branched, greenish, glabrous</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Nanophyll</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">present</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">present</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Leaf margin</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">dentate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">serrate to dentate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">entire</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">serrate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">serrate</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Leaf apex</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">acuminate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">acuminate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">obtuse</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">acute</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">acuminate to caudate</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Staminate inflorescences: type</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Umbellate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Umbellate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Umbellate</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Staminate inflorescences: receptacle</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">elliptic, chartaceous, pubescent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">rectangular, chartaceous, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Staminate inflorescences: peduncle</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">2-5 mm long</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">2-7 cm long</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">2- 3 cm long</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">1-5 cm long</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">2-5 cm long</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Staminate flower: tepal number</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">4</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Pistillate inflorescences: type</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">capitate</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">capitate</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Pistillate inflorescences: receptacle</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">oblong, membranous, pubescent</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">rectangular, chartaceous, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">elliptic, membranous, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">elliptic, membranous, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">elliptic, membranous, pubescent</td>
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</tr>
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<tr pageId="0" pageNumber="37">
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Pistillate inflorescences: peduncle</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">2-4 mm long, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5-10 mm long, glabrous</td>
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<td colspan="1" pageId="0" pageNumber="37" rowspan="1">sessile to subsessile, glabrous</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">0.5-5 mm long, glabrous</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">0-2 mm long, glabrous</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="37">
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Pistillate flower: tepal number</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">3</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="37">
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Pistillate flower: staminode</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">3</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">5</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">absent</td>
|
||
</tr>
|
||
<tr pageId="0" pageNumber="37">
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">Achene</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">6-8 ribbed</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">smooth</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">smooth</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">smooth</td>
|
||
<td colspan="1" pageId="0" pageNumber="37" rowspan="1">smooth</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<typeStatus>Type</typeStatus>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<materialsCitation collectingDate="2022-08-09" country="Thailand" elevation="360" latitude="17.121666" location="Nong Hin district" longLatPrecision="92" longitude="101.934166" specimenCount="1" stateProvince="Loei" typeStatus="holotype">
|
||
<collectingCountry name="Thailand">Thailand</collectingCountry>
|
||
.
|
||
<collectingRegion country="Thailand" name="Loei">Loei</collectingRegion>
|
||
:
|
||
<location LSID="urn:lsid:plazi:treatment:F061AC4CF9D058AFBE418F3B0F2E2961:4559835E690A098EA387620078FAB973" country="Thailand" latitude="17.121666" longLatPrecision="92" longitude="101.934166" name="Nong Hin district" stateProvince="Loei">Nong Hin district</location>
|
||
,
|
||
<geoCoordinate degrees="17" direction="north" minutes="7.3" orientation="latitude" precision="92" value="17.121666">17°7.3'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="101" direction="east" minutes="56.05" orientation="longitude" precision="9" value="101.934166">101°56.05'E</geoCoordinate>
|
||
,
|
||
<quantity metricMagnitude="2" metricUnit="m" metricValue="3.6" unit="m" value="360.0">
|
||
<elevation metricMagnitude="2" metricUnit="m" metricValue="3.6" unit="m" value="360.0">360 m</elevation>
|
||
</quantity>
|
||
alt.,
|
||
<collectingDate value="2022-08-09">9 August 2022</collectingDate>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Triyutth. 332</emphasis>
|
||
(
|
||
<typeStatus>holotype</typeStatus>
|
||
KKU!; isotypes AAU!, BKF!)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="description">
|
||
<paragraph pageId="0" pageNumber="37">Description.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
Perennial herbs, lithophytic, monoecious, rhizomatous.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Rhizome</emphasis>
|
||
rounded, 2-20 cm in diam., brownish.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Stems</emphasis>
|
||
15-50 cm tall, simple or branched, succulent, greenish, glabrous.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Stipules</emphasis>
|
||
2, persistent or sometimes caducous in reproductive stage, linear or lanceolate, 4-7
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1-3 mm, membranous, glabrous.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Nanophylls</emphasis>
|
||
absent.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Leaves</emphasis>
|
||
distichous, alternate; petiole 0.5-1 cm long, greenish, glabrous; lamina asymmetrically ovate to elliptic, 5-20
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
3-10 cm, base oblique, margin serrate to dentate, apex acuminate, chartaceous; venation pinnate, major basal lateral veins present; upper and lower surfaces greenish, glabrous, cystoliths fusiform, 0.2-0.5 mm long.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Staminate inflorescences</emphasis>
|
||
axillary, solitary, capitate, 1.5-2.0 cm in diam.; peduncle 2-7 cm long, glabrous or pubescent; receptacle rectangular, 0.6-1.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.6-1.0 cm, chartaceous, glabrous; bracts ovate, connate at base, membranous, glabrous; bracteoles lanceolate, 0.6-0.8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.2-0.3 mm, membranous, pubescent.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Staminate flowers</emphasis>
|
||
80-100 per inflorescence, sessile to subsessile, glabrous; tepals 5, ovate, 1.0-1.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.0-1.5 mm, apex acuminate, membranous, pubescent; stamens 5, filaments 1.0-1.5 mm long, anthers 0.6-0.8 mm long.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Pistillate inflorescences</emphasis>
|
||
axillary, solitary, capitate 5-10 mm in diam., peduncle 0.5-1.0 cm long, glabrous; receptacle rectangular, 6-8
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
6-8 mm, chartaceous, glabrous; bracts ovate, 0.8-1.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.5-0.6 mm, membranous, pubescent; bracteoles lanceolate, 0.4-0.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.2-0.3 mm, membranous, pubescent.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Pistillate flowers</emphasis>
|
||
40-100 per inflorescence, sessile to subsessile, glabrous; tepals absent; staminodes 3, oblong to linear, 0.2-0.3 mm long; ovary superior, ovoid, 0.3-0.5 mm long.
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="37">Achenes</emphasis>
|
||
ellipsoid, 0.8-1.2 mm long, brownish, smooth.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="distribution">
|
||
<paragraph pageId="0" pageNumber="37">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">Currently known only from Loei province in northeastern Thailand.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="ecology">
|
||
<paragraph pageId="0" pageNumber="37">Ecology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">Occur in limestone crevices.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="phenology">
|
||
<paragraph pageId="0" pageNumber="37">Phenology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">Flowering and fruiting in April-December.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="etymology">
|
||
<paragraph pageId="0" pageNumber="37">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">This species is named in honor of Mr Kaweesak Keeratikiat, who first discovered the plants.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="conservation status">
|
||
<paragraph pageId="0" pageNumber="37">Conservation status.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
This species was found in fewer than 5 locations at Nong Hin district, Loei province, Thailand. Moreover, it has a very small population and very restricted distribution, and the number of mature individuals is fewer than 250. According to
|
||
<bibRefCitation author="Hiep, NT" journalOrPublisher="Vol. 3. Agriculture Publishing House, Hanoi" pageId="0" pageNumber="37" publicationUrl="https://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B6" refString="2022. . https://www.iucnredlist.org/documents/RedListGuidelines.pdf" url="https://www.iucnredlist.org/documents/RedListGuidelines.pdf" year="2022">IUCN (2022)</bibRefCitation>
|
||
this species should be assessed as Endangered (EN) under IUCN criteria B2a and D1.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="37">Additional specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<materialsCitation collectingDate="2013-12-16" collectingDateMax="2021-04-20" collectingDateMin="2013-12-16" collectorName="S. Saengvirotjanapat" country="Thailand" location="Nong Hin district" specimenCount="1" stateProvince="Loei">
|
||
<collectingCountry name="Thailand">Thailand</collectingCountry>
|
||
.
|
||
<collectingRegion country="Thailand" name="Loei">Loei</collectingRegion>
|
||
:
|
||
<location LSID="urn:lsid:plazi:treatment:F061AC4CF9D058AFBE418F3B0F2E2961:9BF7C54C3A5100D61E1CBD3B6B5310B1" country="Thailand" name="Nong Hin district" stateProvince="Loei">Nong Hin district</location>
|
||
,
|
||
<collectingDate value="2013-12-16">16 December 2013</collectingDate>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="37">
|
||
<collectorName>S. Saengvirotjanapat</collectorName>
|
||
635
|
||
</emphasis>
|
||
(QBG!), ibid.,
|
||
<collectingDate value="2021-04-20">20 April 2021</collectingDate>
|
||
,
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Triyutth. 329</emphasis>
|
||
(KKU!)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="37" type="notes">
|
||
<paragraph pageId="0" pageNumber="37">Notes.</paragraph>
|
||
<paragraph pageId="0" pageNumber="37">
|
||
This species is similar to
|
||
<taxonomicName lsidName="E. atroviride" pageId="0" pageNumber="37" rank="species" species="atroviride">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">E. atroviride</emphasis>
|
||
</taxonomicName>
|
||
in their habitat as lithophytes growing in limestone crevices. Both species have rounded rhizome, absence of nanophyll and a similar shape of leaves. However, it differs from
|
||
<taxonomicName lsidName="E. atroviride" pageId="0" pageNumber="37" rank="species" species="atroviride">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">E. atroviride</emphasis>
|
||
</taxonomicName>
|
||
by several characters such as its large rounded rhizome (small size of rhizome in
|
||
<taxonomicName lsidName="E. atroviride" pageId="0" pageNumber="37" rank="species" species="atroviride">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">E. atroviride</emphasis>
|
||
</taxonomicName>
|
||
), staminate inflorescences with 2-7 cm long peduncle (vs 2-5 mm long), receptacle rectangular and glabrous (vs elliptic and pubescent), staminate flower with 5 tepals (vs 4 tepals), pistillate inflorescence with 5-10 mm long peduncle (vs 2-4 mm long), absence of tepals in pistillate flower (vs 3 tepals), 3 staminodes (vs staminode absent) and achene smooth (vs 6-8 ribbed).
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.215.94591.figure1" httpUri="https://binary.pensoft.net/fig/781039" pageId="0" pageNumber="37" start="Figure 1" startId="F1">
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<emphasis bold="true" pageId="0" pageNumber="37">Figure 1.</emphasis>
|
||
<taxonomicName authorityName="Triyutth. & L. F. Fu" authorityYear="2022" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Elatostema kaweesakii" order="Rosales" pageId="0" pageNumber="37" phylum="Tracheophyta" rank="species" species="kaweesakii">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Elatostema kaweesakii</emphasis>
|
||
</taxonomicName>
|
||
Triyutth. & L.F.Fu, sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="37">A</emphasis>
|
||
habit
|
||
<emphasis bold="true" pageId="0" pageNumber="37">B</emphasis>
|
||
staminate inflorescence
|
||
<emphasis bold="true" pageId="0" pageNumber="37">C</emphasis>
|
||
staminate flower
|
||
<emphasis bold="true" pageId="0" pageNumber="37">D</emphasis>
|
||
pistillate inflorescence
|
||
<emphasis bold="true" pageId="0" pageNumber="37">E</emphasis>
|
||
pistillate flower
|
||
<emphasis bold="true" pageId="0" pageNumber="37">F</emphasis>
|
||
bracteole
|
||
<emphasis bold="true" pageId="0" pageNumber="37">G</emphasis>
|
||
achene (Drawn by N. Triyutthachai).
|
||
</paragraph>
|
||
</caption>
|
||
<caption doi="10.3897/phytokeys.215.94591.figure2" httpUri="https://binary.pensoft.net/fig/781040" pageId="0" pageNumber="37" start="Figure 2" startId="F2">
|
||
<paragraph pageId="0" pageNumber="37">
|
||
<emphasis bold="true" pageId="0" pageNumber="37">Figure 2.</emphasis>
|
||
<taxonomicName authorityName="Triyutth. & L. F. Fu" authorityYear="2022" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Elatostema kaweesakii" order="Rosales" pageId="0" pageNumber="37" phylum="Tracheophyta" rank="species" species="kaweesakii">
|
||
<emphasis italics="true" pageId="0" pageNumber="37">Elatostema kaweesakii</emphasis>
|
||
</taxonomicName>
|
||
Triyutth. & L.F.Fu, sp. nov.
|
||
<emphasis bold="true" pageId="0" pageNumber="37">A</emphasis>
|
||
habit and habitat
|
||
<emphasis bold="true" pageId="0" pageNumber="37">B</emphasis>
|
||
pistillate inflorescence
|
||
<emphasis bold="true" pageId="0" pageNumber="37">C</emphasis>
|
||
staminate inflorescences (Photos
|
||
<emphasis bold="true" pageId="0" pageNumber="37">A, C</emphasis>
|
||
by K. Keeratikiat,
|
||
<emphasis bold="true" pageId="0" pageNumber="37">B</emphasis>
|
||
by Triyutth).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |