278 lines
21 KiB
XML
278 lines
21 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.225.101410" ID-Pensoft-Pub="1314-2003-225-153" ID-Pensoft-UUID="C1343DB482B751C092D0FA17D7CA0C45" ModsDocID="1314-2003-225-153" checkinTime="1682624495212" checkinUser="pensoft" docAuthor="Lu, Yi-Fei, Lu, Zhao-Cen, Duan, Yu-Hao, Zhang, Kun & Jin, Xiao-Feng" docDate="2023" docId="DE7AC8A9FFAB5AE18F4DD1A0157D1590" docLanguage="en" docName="PhytoKeys 225: 153-164" docOrigin="PhytoKeys 225" docPubDate="2023-04-27" docSource="http://dx.doi.org/10.3897/phytokeys.225.101410" docTitle="Carex radicalispicula Tang & F. T. Wang ex Y. F. Lu & X. F. Jin 2023, sp. nov." docType="treatment" docVersion="1" id="C1343DB482B751C092D0FA17D7CA0C45" lastPageNumber="153" masterDocId="C1343DB482B751C092D0FA17D7CA0C45" masterDocTitle="Notes on Carex (Cyperaceae) from China (IX): three new species of section Mitratae s. l." masterLastPageNumber="164" masterPageNumber="153" pageNumber="153" updateTime="1682624495212" updateUser="pensoft">
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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>Notes on Carex (Cyperaceae) from China (IX): three new species of section Mitratae s. l.</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>Lu, Yi-Fei</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6095-3821</mods:nameIdentifier>
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<mods:affiliation>Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions and School of Forestry and Biotechnology, Zhejiang A & F University, Hangzhou, Zhejiang 311300, 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>Lu, Zhao-Cen</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, Guangxi, 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>Duan, Yu-Hao</mods:namePart>
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<mods:affiliation>Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions and School of Forestry and Biotechnology, Zhejiang A & F University, Hangzhou, Zhejiang 311300, 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>Zhang, Kun</mods:namePart>
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<mods:affiliation>Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions and School of Forestry and Biotechnology, Zhejiang A & F University, Hangzhou, Zhejiang 311300, 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>Jin, Xiao-Feng</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-8195-6738</mods:nameIdentifier>
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<mods:affiliation>Zhejiang Provincial Key Laboratory of Forest Aromatic Plants-based Healthcare Functions and School of Forestry and Biotechnology, Zhejiang A & F University, Hangzhou, Zhejiang 311300, China</mods:affiliation>
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<mods:nameIdentifier type="email">docxfjin@163.com</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>2023</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2023-04-27</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>225</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>153</mods:start>
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<mods:end>164</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.225.101410</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.225.101410</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-225-153</mods:identifier>
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<mods:identifier type="Pensoft-UUID">C1343DB482B751C092D0FA17D7CA0C45</mods:identifier>
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</mods:mods>
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<subSection pageId="0" pageNumber="153" type="multiple">
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<treatment LSID="urn:lsid:plazi:treatment:DE7AC8A9FFAB5AE18F4DD1A0157D1590" httpUri="http://treatment.plazi.org/id/DE7AC8A9FFAB5AE18F4DD1A0157D1590" lastPageNumber="153" pageId="0" pageNumber="153">
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<subSubSection pageId="0" pageNumber="153" type="nomenclature">
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<paragraph pageId="0" pageNumber="153">
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3.
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<taxonomicName LSID="DE7AC8A9-FFAB-5AE1-8F4D-D1A0157D1590" authority="Tang & F. T. Wang ex Y. F. Lu & X. F. Jin" authorityName="Tang & F. T. Wang ex Y. F. Lu & X. F. Jin" authorityYear="2023" class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex radicalispicula" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="radicalispicula" status="sp. nov.">Carex radicalispicula Tang & F.T.Wang ex Y.F.Lu & X.F.Jin</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="153">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="description">
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<paragraph pageId="0" pageNumber="153">
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Carex radicalispicula sp. nov. A habit B lowermost spike C staminate glume D, E pistillate glume F utricle G nutlet. (Drawn by Xiao-Feng Jin; based on the holotype: K. L. Chue 6963 in PE)." figureDoi="10.3897/phytokeys.225.101410.figure4" httpUri="https://binary.pensoft.net/fig/843339" pageId="0" pageNumber="153">Fig. 4A-G</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="description">
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<paragraph pageId="0" pageNumber="153">Diagnostic description.</paragraph>
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<paragraph pageId="0" pageNumber="153">
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This new species is similar to
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<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex truncatirostris" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="truncatirostris">
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<emphasis italics="true" pageId="0" pageNumber="153">Carex truncatirostris</emphasis>
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</taxonomicName>
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S.W.Su et S.M.Xu, but differs in having staminate spikes clavate, 1.5-2 mm wide, pistillate glumes pale yellow-white, 3-3.2 mm long, acuminate or short-awned at apex, nutlets with 3 angles shallowly constricted at middle.
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</paragraph>
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<caption doi="10.3897/phytokeys.225.101410.figure4" httpUri="https://binary.pensoft.net/fig/843339" pageId="0" pageNumber="153" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="153">
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<emphasis bold="true" pageId="0" pageNumber="153">Figure 4.</emphasis>
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<taxonomicName authorityName="Tang & F. T. Wang ex Y. F. Lu & X. F. Jin" authorityYear="2023" class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex radicalispicula" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="radicalispicula">
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<emphasis italics="true" pageId="0" pageNumber="153">Carex radicalispicula</emphasis>
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</taxonomicName>
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sp. nov.
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<emphasis bold="true" pageId="0" pageNumber="153">A</emphasis>
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habit
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<emphasis bold="true" pageId="0" pageNumber="153">B</emphasis>
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lowermost spike
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<emphasis bold="true" pageId="0" pageNumber="153">C</emphasis>
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staminate glume
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<emphasis bold="true" pageId="0" pageNumber="153">D, E</emphasis>
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pistillate glume
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<emphasis bold="true" pageId="0" pageNumber="153">F</emphasis>
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utricle
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<emphasis bold="true" pageId="0" pageNumber="153">G</emphasis>
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nutlet. (Drawn by Xiao-Feng Jin; based on the holotype:
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<emphasis italics="true" pageId="0" pageNumber="153">
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K. L.
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<normalizedToken originalValue="Chü">Chue</normalizedToken>
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6963
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</emphasis>
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in PE).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="materials_examined">
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<paragraph pageId="0" pageNumber="153">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<materialsCitation collectingDate="1940-05-26" collectorName="K. L. Chue" country="China" county="Kangding County" elevation="2650" location="Erdaoqiao" specimenCount="1" stateProvince="Sichuan" typeStatus="holotype">
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<collectingCountry name="China">China</collectingCountry>
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.
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<collectingRegion country="China" name="Sichuan">Sichuan</collectingRegion>
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:
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<collectingCounty>Kangding County</collectingCounty>
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,
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<location LSID="urn:lsid:plazi:treatment:DE7AC8A9FFAB5AE18F4DD1A0157D1590:5EDAA74BF5DF0524107B63798857EC0A" country="China" county="Kangding County" name="Erdaoqiao" stateProvince="Sichuan">Erdaoqiao</location>
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, on roadside, alt.
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<quantity metricMagnitude="3" metricUnit="m" metricValue="2.65" unit="m" value="2650.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="2.65" unit="m" value="2650.0">2650 m</elevation>
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</quantity>
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,
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<collectingDate value="1940-05-26">26 May 1940</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="153">
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<collectorName>
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K. L.
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<normalizedToken originalValue="Chü">Chue</normalizedToken>
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</collectorName>
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6963
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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: PE!; isotypes: IBSC0654521!, PE!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="description">
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<paragraph pageId="0" pageNumber="153">Description.</paragraph>
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<paragraph pageId="0" pageNumber="153">Perennial herbs. Rhizomes short, woody. Culms central, loosely turfed, 8-30 cm tall, slender, trigonous, smooth, base with grey-brown sheaths. Leaves shorter than or rarely equal to culms, blades 1.5-2 mm wide, flat, leathery, scabrous on margins. Lowermost bract leaf-like, others setaceous, base with 4-6 mm long sheath. Spikes 3 or 4; terminal spike staminate, clavate, (5-)9-12 mm long, 1.5-2 mm wide; lateral spikes pistillate, with the lowermost arising from the base of culms, shortly cylindrical or cylindrical, 7-15 mm long, 3.5-4 mm wide, 4-12-flowered, with the lowermost peduncle slightly exserted from the sheath. Staminate glumes elliptic-lanceolate, yellow-brown, 4.5-5.5 mm long, apex obtuse, with 1-veined yellow costa. Pistillate glumes broadly ovate, pale yellow-white, 3-3.2 mm long, apex acuminate or with a ca. 0.5 mm long scabrous awn, with 3-veined green costa. Utricles yellow-green, rhombic-ovoid, obtusely trigonous, ca. 3.8 mm long, ca. 1.3 mm wide, longer than pistillate glumes, membranous, obliquely patent, distinctly thinly veined, sparsely pubescent, base gradually cuneate, short-stipitate, apex gradually contracted into a 0.8-1 mm long beak, orifice 2-lobed with short teeth. Nutlets tightly enveloped, pale yellow, rhombic-ovoid, trigonous, ca. 2.5 mm long, with 3 angles shallowly constricted at middle, lateral sides slightly concave above and below, base shortly curved-stipitate, apex abruptly contracted into a discoid-annulate style-base; style base thickened; stigmas 3.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="etymology">
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<paragraph pageId="0" pageNumber="153">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="153">
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The specific epithet '
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<emphasis italics="true" pageId="0" pageNumber="153">radicalispicula</emphasis>
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' refers to the lowermost spike arising from the base of culm.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="phenology">
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<paragraph pageId="0" pageNumber="153">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="153">Flowering and fruiting occur in late May.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="conservation status">
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<paragraph pageId="0" pageNumber="153">Conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="153">
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Least Concern (LC). The new species was collected by Kuei-Ling
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<normalizedToken originalValue="Chü">Chue</normalizedToken>
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(
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<emphasis italics="true" pageId="0" pageNumber="153">
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K. L.
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<normalizedToken originalValue="Chü">Chue</normalizedToken>
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6963
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</emphasis>
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) from the type locality, including two sheets deposited in PE and one in IBSC. The authors carried out a field trip to the type locality in 2019, but failed to locate and collect any similar specimens. The type locality has been disturbed and the quality of the habitat appears to be continuously declining now (
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<bibRefCitation author="Govaerts, R" journalOrPublisher="23). Acoraceae through Cyperaceae: Cyperaceae. Science Press, Beijing and Missouri Botanical Garden Press, St. Louis" pageId="0" pageNumber="153" publicationUrl="https://www.iucnredlist.org/resources/redlistguidelines" refId="B4" refString="2019. . https://www.iucnredlist.org/resources/redlistguidelines" url="https://www.iucnredlist.org/resources/redlistguidelines" year="2019">IUCN 2019</bibRefCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="153" type="notes">
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<paragraph pageId="0" pageNumber="153">Notes.</paragraph>
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<paragraph pageId="0" pageNumber="153">
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With rhombic-ovoid nutlets abruptly contracted into a discoid-annulate style-base at the apex, 3 angles constricted at the middle, and the lowermost spike arising from a culm base,
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<taxonomicName authorityName="Tang & F. T. Wang ex Y. F. Lu & X. F. Jin" authorityYear="2023" class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex radicalispicula" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="radicalispicula">
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<emphasis italics="true" pageId="0" pageNumber="153">Carex radicalispicula</emphasis>
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</taxonomicName>
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is similar to
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<taxonomicName lsidName="C. truncatirostris" pageId="0" pageNumber="153" rank="species" species="truncatirostris">
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<emphasis italics="true" pageId="0" pageNumber="153">C. truncatirostris</emphasis>
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</taxonomicName>
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. A taxonomic revision of
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<taxonomicName lsidName="C. chungii" pageId="0" pageNumber="153" rank="species" species="chungii">
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<emphasis italics="true" pageId="0" pageNumber="153">C. chungii</emphasis>
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</taxonomicName>
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Z.P.Wang and the allied species has been conducted (
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<bibRefCitation DOI="https://doi.org/10.11646/phytotaxa.317.1.3" author="Jin, XF" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="153" pagination="29 - 41" refId="B6" refString="Jin, XF, 2017. Taxonomic revision of Carex chungii (Cyperaceae; sect. Mitratae) and allied species. Phytotaxa 317 (1): 29 - 41, DOI: https://doi.org/10.11646/phytotaxa.317.1.3" title="Taxonomic revision of Carex chungii (Cyperaceae; sect. Mitratae) and allied species." url="https://doi.org/10.11646/phytotaxa.317.1.3" volume="317" year="2017">Jin 2017</bibRefCitation>
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), and these very closely related species can be distinguished from each another using the following key.
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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<table inLine="true" pageId="0" pageNumber="153">
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">1a</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Lowermost spikes exserted from the basal sheaths of culms; lowermost bract sheaths <6 mm long</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<emphasis bold="true" pageId="0" pageNumber="153">2a</emphasis>
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</td>
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</tr>
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">2a</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Terminal staminate spikes 1.5-2 mm wide; nutlets shallowly constricted at middle angles; pistillate glumes pale yellow-white, 3-3.2 mm long, acuminate or short-awned at apex</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<taxonomicName authorityName="Tang & F. T. Wang ex Y. F. Lu & X. F. Jin" authorityYear="2023" class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex radicalispicula" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="radicalispicula">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="153">Carex radicalispicula</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">2b</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Terminal staminate spikes 0.6-1 mm wide; nutlets constricted at middle angles; pistillate glumes pale brown or yellow-brown, 2-2.5 mm long, emarginate or obtuse at apex</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex truncatirostris" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="truncatirostris">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="153">Carex truncatirostris</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">1b</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Lowermost spikes exserted from the middle sheaths of culms; lowermost bract sheaths> 1 cm long</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<emphasis bold="true" pageId="0" pageNumber="153">3a</emphasis>
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</td>
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</tr>
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">3a</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Terminal spikes 1-3 cm long; pistillate glumes long-awned at apex; staminate glumes short-awned or mucronate at apex</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex chungii" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="chungii">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="153">Carex chungii</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="0" pageNumber="153">
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">3b</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">Terminal spikes 3.5-6 cm long; pistillate glumes mucronate at apex; staminate glumes acute at apex</td>
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<td colspan="1" pageId="0" pageNumber="153" rowspan="1">
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<taxonomicName authorityName="X.F.Jin" authorityYear="2017" class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex nanpingensis" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="nanpingensis">
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<emphasis bold="true" italics="true" pageId="0" pageNumber="153">Carex nanpingensis</emphasis>
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</taxonomicName>
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</td>
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</tr>
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</table>
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</paragraph>
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<paragraph pageId="0" pageNumber="153">
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The new species is closed to
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<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex truncatirostris" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="species" species="truncatirostris">
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<emphasis italics="true" pageId="0" pageNumber="153">Carex truncatirostris</emphasis>
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</taxonomicName>
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, and the species have nutlets apex abruptly contracted into a discoid-annulate style-base which were divided into two clades in the recent phylogenetic scaffold for the
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<taxonomicName class="Liliopsida" family="Cyperaceae" genus="Carex" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Carex" order="Poales" pageId="0" pageNumber="153" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="153">Carex</emphasis>
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</taxonomicName>
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classification (
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<bibRefCitation DOI="https://doi.org/10.1111/jse.12722" author="Roalson, EH" journalOrPublisher="Journal of Systematics and Evolution" pageId="0" pageNumber="153" pagination="726 - 762" refId="B12" refString="Roalson, EH, Jimenez-Mejias, P, Hipp, AL, Benitez-Benitez, C, Bruederle, LP, Chung, K-S, Escudero, M, Ford, BA, Ford, K, Gebauer, S, Gehrke, B, Hahn, M, Hayat, MQ, Hoffmann, MH, Jin, XF, Kim, S, Larridon, I, Leveille-Bourret, E, Lu, YF, Luceno, M, Maguilla, E, Marquez-Corro, JI, Martin-Bravo, S, Masaki, T, Miguez, M, Naczi, RFC, Reznicek, AA, Spalink, D, Starr, JR, Uzma Villaverde, T, Waterway, MJ, Wilson, KL, Zhang, S-R, 2021. A framework infrageneric classification of Carex (Cyperaceae) and its organizing principles. Journal of Systematics and Evolution 59 (4): 726 - 762, DOI: https://doi.org/10.1111/jse.12722" title="A framework infrageneric classification of Carex (Cyperaceae) and its organizing principles." url="https://doi.org/10.1111/jse.12722" volume="59" year="2021">Roalson et al. 2021</bibRefCitation>
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). The species in the Mitrata Clade have shorter lateral spikes and smaller plants, and the new species is temporarily placed in the Mitrata clade.
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</paragraph>
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</subSubSection>
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</treatment>
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</subSection>
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</document> |