488 lines
36 KiB
XML
488 lines
36 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.132.35428" ID-GBIF-Dataset="576b1762-c9d7-4d85-9b3b-90fea3226be6" ID-PMC="PMC6785573" ID-Pensoft-Pub="1314-2003-132-91" ID-Pensoft-UUID="8534FD928A0753DFB678954574D0E54A" ID-PubMed="31616205" ID-Zenodo-Dep="3478683" ModsDocID="1314-2003-132-91" checkinTime="1570026188318" checkinUser="pensoft" docAuthor="Wang, Yu-Bing & Xiong, Xing-Jun" docDate="2019" docId="8E152EB562685CE2B92439BBE84F5367" docLanguage="en" docName="PhytoKeys 132: 91-98" docOrigin="PhytoKeys 132" docSource="http://dx.doi.org/10.3897/phytokeys.132.35428" docTitle="Sedum ichangensis Y. B. Wang 2019, sp. nov." docType="treatment" docVersion="6" id="8534FD928A0753DFB678954574D0E54A" lastPageNumber="95" masterDocId="8534FD928A0753DFB678954574D0E54A" masterDocTitle="Sedum ichangensis, a new species of Crassulaceae from Hubei, China" masterLastPageNumber="98" masterPageNumber="91" pageNumber="92" updateTime="1668139519729" 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>Sedum ichangensis, a new species of Crassulaceae from Hubei, China</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>Wang, Yu-Bing</mods:namePart>
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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>Xiong, Xing-Jun</mods:namePart>
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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>2019</mods:date>
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<mods:detail type="volume">
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<mods:number>132</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>91</mods:start>
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<mods:end>98</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.132.35428</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.132.35428</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-132-91</mods:identifier>
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<mods:identifier type="Pensoft-UUID">8534FD928A0753DFB678954574D0E54A</mods:identifier>
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<mods:identifier type="Zenodo-Dep">3478683</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159619286" LSID="urn:lsid:plazi:treatment:8E152EB562685CE2B92439BBE84F5367" httpUri="http://treatment.plazi.org/id/8E152EB562685CE2B92439BBE84F5367" lastPageId="4" lastPageNumber="95" pageId="1" pageNumber="92">
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<subSubSection pageId="1" pageNumber="92" type="nomenclature">
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<paragraph pageId="1" pageNumber="92">
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<taxonomicName LSID="8E152EB5-6268-5CE2-B924-39BBE84F5367" authority="Y. B. Wang" authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis" status="sp. nov.">Sedum ichangensis Y. B. Wang</taxonomicName>
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<taxonomicNameLabel pageId="1" pageNumber="92">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Sedum ichangensis Y. B. Wang from type locality A habitat B flowering stems C flower D unripe follicles E carpels with style." figureDoi="10.3897/phytokeys.132.35428.figure1" httpUri="https://binary.pensoft.net/fig/344044" pageId="1" pageNumber="92" tableDoi="10.3897/phytokeys.132.35428.figure1">Figures 1</figureCitation>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sedum ichangensis Y. B. Wang, sp. nov. A habit B flower C carpels D single carpel." figureDoi="10.3897/phytokeys.132.35428.figure2" httpUri="https://binary.pensoft.net/fig/344045" pageId="1" pageNumber="92" tableDoi="10.3897/phytokeys.132.35428.figure2">, 2</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="1" pageNumber="92" type="diagnosis">
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<paragraph pageId="1" pageNumber="92">Diagnosis.</paragraph>
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<paragraph pageId="1" pageNumber="92">
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis italics="true" pageId="1" pageNumber="92">Sedum ichangensis</emphasis>
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</taxonomicName>
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has papillate carpels and appears to be morphologically similar to
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<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. elatinoides" order="Saxifragales" pageId="1" pageNumber="92" phylum="Magnoliophyta" rank="species" species="elatinoides">
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<emphasis italics="true" pageId="1" pageNumber="92">S. elatinoides</emphasis>
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</taxonomicName>
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and
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<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rosthornianum" order="Saxifragales" pageId="1" pageNumber="92" phylum="Magnoliophyta" rank="species" species="rosthornianum">
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<emphasis italics="true" pageId="1" pageNumber="92">S. rosthornianum</emphasis>
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</taxonomicName>
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. It can be distinguished from
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<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. elatinoides" order="Saxifragales" pageId="1" pageNumber="92" phylum="Magnoliophyta" rank="species" species="elatinoides">
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<emphasis italics="true" pageId="1" pageNumber="92">S. elatinoides</emphasis>
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</taxonomicName>
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by its perennial habit (vs. annual) and solitary flower (vs. flowers in cymes) and from
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<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rosthornianum" order="Saxifragales" pageId="1" pageNumber="92" phylum="Magnoliophyta" rank="species" species="rosthornianum">
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<emphasis italics="true" pageId="1" pageNumber="92">S. rosthornianum</emphasis>
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</taxonomicName>
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in its entire leaf margins (vs. leaf margins dentate), its branched stems (vs. stems simple) and its solitary flowers (vs. flowers in paniculiform cymes). (Table
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<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological comparison between Sedum ichangensis and related species." httpUri="http://table.plazi.org/id/D05C79B17B9724A7CEBBE060D1A6EABA" pageId="1" pageNumber="92" tableUuid="D05C79B17B9724A7CEBBE060D1A6EABA">1</tableCitation>
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,
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<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Sedum ichangensis Y. B. Wang from type locality A habitat B flowering stems C flower D unripe follicles E carpels with style." figureDoi="10.3897/phytokeys.132.35428.figure1" httpUri="https://binary.pensoft.net/fig/344044" pageId="1" pageNumber="92" tableDoi="10.3897/phytokeys.132.35428.figure1">Fig. 1</figureCitation>
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,
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sedum ichangensis Y. B. Wang, sp. nov. A habit B flower C carpels D single carpel." figureDoi="10.3897/phytokeys.132.35428.figure2" httpUri="https://binary.pensoft.net/fig/344045" pageId="1" pageNumber="92" tableDoi="10.3897/phytokeys.132.35428.figure2">2</figureCitation>
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).
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</paragraph>
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<caption ID-Table-UUID="D05C79B17B9724A7CEBBE060D1A6EABA" httpUri="http://table.plazi.org/id/D05C79B17B9724A7CEBBE060D1A6EABA" pageId="1" pageNumber="92" start="Table 1" startId="T1">
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<paragraph pageId="1" pageNumber="92">
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<emphasis bold="true" pageId="1" pageNumber="92">Table 1.</emphasis>
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Morphological comparison between
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis italics="true" pageId="1" pageNumber="92">Sedum ichangensis</emphasis>
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</taxonomicName>
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and related species.
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</paragraph>
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</caption>
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<paragraph pageId="1" pageNumber="92">
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<table pageId="1" pageNumber="92">
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Item</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis bold="true" italics="true" pageId="1" pageNumber="92">Sedum ichangensis</emphasis>
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</taxonomicName>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<taxonomicName class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum elatinoides" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="elatinoides">
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<emphasis bold="true" italics="true" pageId="1" pageNumber="92">Sedum elatinoides</emphasis>
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</taxonomicName>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<taxonomicName authorityName="Diels" authorityYear="1900" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum rosthornianum" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="rosthornianum">
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<emphasis bold="true" italics="true" pageId="1" pageNumber="92">Sedum rosthornianum</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Habit</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">perennial</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">annual</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">perennial</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Stem</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">prostrate</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">erect</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">erect</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Phyllotaxis</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">4-6-verticillate</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">3-6-verticillate</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">opposite or 3- or 4-verticillate</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Leaf blade</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">narrowly ellipsoid, entire</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">narrowly oblanceolate, entire</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">rhombic-oblong, dentate</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Inflorescence</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">solitary flower</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">paniculiform or corymbiform cyme</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">paniculiform cyme</td>
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</tr>
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<tr pageId="1" pageNumber="92">
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">
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<emphasis bold="true" pageId="1" pageNumber="92">Petal</emphasis>
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</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">white, pinkish toward the apex</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">white</td>
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<td colspan="1" pageId="1" pageNumber="92" rowspan="1">white</td>
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</tr>
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</table>
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</paragraph>
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<caption ID-Zenodo-Dep="3478759" doi="10.3897/phytokeys.132.35428.figure1" httpUri="https://binary.pensoft.net/fig/344044" pageId="1" pageNumber="92" start="Figure 1" startId="F1">
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<paragraph pageId="1" pageNumber="92">
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<emphasis bold="true" pageId="1" pageNumber="92">Figure 1.</emphasis>
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis italics="true" pageId="1" pageNumber="92">Sedum ichangensis</emphasis>
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</taxonomicName>
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Y. B. Wang from type locality
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<emphasis bold="true" pageId="1" pageNumber="92">A</emphasis>
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habitat
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<emphasis bold="true" pageId="1" pageNumber="92">B</emphasis>
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flowering stems
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<emphasis bold="true" pageId="1" pageNumber="92">C</emphasis>
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flower
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<emphasis bold="true" pageId="1" pageNumber="92">D</emphasis>
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unripe follicles
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<emphasis bold="true" pageId="1" pageNumber="92">E</emphasis>
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carpels with style.
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</paragraph>
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</caption>
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<caption ID-Zenodo-Dep="3478761" doi="10.3897/phytokeys.132.35428.figure2" httpUri="https://binary.pensoft.net/fig/344045" pageId="1" pageNumber="92" start="Figure 2" startId="F2">
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<paragraph pageId="1" pageNumber="92">
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<emphasis bold="true" pageId="1" pageNumber="92">Figure 2.</emphasis>
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="1" pageNumber="92" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis italics="true" pageId="1" pageNumber="92">Sedum ichangensis</emphasis>
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</taxonomicName>
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Y. B. Wang, sp. nov.
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<emphasis bold="true" pageId="1" pageNumber="92">A</emphasis>
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habit
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<emphasis bold="true" pageId="1" pageNumber="92">B</emphasis>
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flower
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<emphasis bold="true" pageId="1" pageNumber="92">C</emphasis>
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carpels
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<emphasis bold="true" pageId="1" pageNumber="92">D</emphasis>
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single carpel.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="93" type="materials_examined">
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<paragraph pageId="2" pageNumber="93">
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<pageBreakToken pageId="2" pageNumber="93" start="start">Type</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="2" pageNumber="93">
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<emphasis bold="true" pageId="2" pageNumber="93">CHINA</emphasis>
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: Hubei Province, Yichang city, Changyang County, Longzhouping Town, on rocks, alt. 130 m.
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<geoCoordinate degrees="30" direction="north" minutes="28" orientation="latitude" precision="925" value="30.466667">30°28'N</geoCoordinate>
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,
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<geoCoordinate degrees="111" direction="east" minutes="11" orientation="longitude" precision="925" value="111.183334">111°11'E</geoCoordinate>
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, 19 Jul 2017, ycmy032 (holotype, CTGU!; isotypes HIB!, and PE!).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="94" pageId="2" pageNumber="93" type="description">
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<paragraph pageId="2" pageNumber="93">Description.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="94" pageId="2" pageNumber="93">
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Perennial herbs. Roots fibrous. Stems procumbent, divaricately branched, 1-2 mm in diameter, up to 35 cm long, with scattered reddish dots. Leaves 4-6-verticillate, entire, sessile, narrowly ellipsoid, 5-12
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<normalizedToken originalValue="×">x</normalizedToken>
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1.5-2.5 mm, base attenuate, apex acute. Flowers 5-merous, solitary in the axils of upper leaves, 5-8 mm in diameter. Pedicel 1.5-2.5 cm long. Sepals 5, lanceolate, 1.5-2 mm long, apex acute. Petals 5, white, pinkish towards the apex, lanceolate, 4-5
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<normalizedToken originalValue="×">x</normalizedToken>
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1-2 mm, apex acute. Stamens 10, in 2 whorls, slightly shorter than the petals, antesepalous ones ca. 4 mm long, antepetalous ones ca. 3 mm long, inserted ca. 1 mm above the petal base, filaments
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<pageBreakToken pageId="3" pageNumber="94" start="start">white</pageBreakToken>
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, 1.6-2.4 mm long, anthers ca. 0.4 mm long, reddish. Nectar scales spatulate, ca. 0.4 mm long. Carpels 5, white, suberect, adaxially minutely papillate, broadly ovoid, ca. 2 mm long, base united for ca. 0.2 mm, styles ca. 1.5 mm long. Follicles divergent, 0.8-1.1 mm long, with scattered reddish dots, seeds numerous, brown, ca. 0.5-1 mm long, papillate.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="94" type="phenology">
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<paragraph pageId="3" pageNumber="94">Phenology.</paragraph>
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<paragraph pageId="3" pageNumber="94">Flowering from early May to July, fruiting from August to October.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="94" type="distribution">
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<paragraph pageId="3" pageNumber="94">Distribution and habitat.</paragraph>
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<paragraph pageId="3" pageNumber="94">
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<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="species" species="ichangensis">
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<emphasis italics="true" pageId="3" pageNumber="94">Sedum ichangensis</emphasis>
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</taxonomicName>
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is known from Longzhouping town of Changyang County, Gufu town of Xingshan County and Muyang River of Yiling County in Yichang City of western Hubei Province, central China (
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Distribution of Sedum ichangensis in Hubei province, central China. The three known localities are indicated with triangles." figureDoi="10.3897/phytokeys.132.35428.figure3" httpUri="https://binary.pensoft.net/fig/344046" pageId="3" pageNumber="94" tableDoi="10.3897/phytokeys.132.35428.figure3">Fig. 3</figureCitation>
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). It grows on rocks of roadsides, especially in fissures filled with soil, at an elevation of ca. 100-280 m.
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</paragraph>
|
||
<caption ID-Zenodo-Dep="3478763" doi="10.3897/phytokeys.132.35428.figure3" httpUri="https://binary.pensoft.net/fig/344046" pageId="3" pageNumber="94" start="Figure 3" startId="F3">
|
||
<paragraph pageId="3" pageNumber="94">
|
||
<emphasis bold="true" pageId="3" pageNumber="94">Figure 3.</emphasis>
|
||
Distribution of
|
||
<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">Sedum ichangensis</emphasis>
|
||
</taxonomicName>
|
||
in Hubei province, central China. The three known localities are indicated with triangles.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="94" type="chinese name">
|
||
<paragraph pageId="3" pageNumber="94">Chinese name.</paragraph>
|
||
<paragraph pageId="3" pageNumber="94">Yi-chang-jing-tian (宜昌景天).</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="94" type="etymology">
|
||
<paragraph pageId="3" pageNumber="94">Etymology.</paragraph>
|
||
<paragraph pageId="3" pageNumber="94">The specific epithet of this new species is dedicated to the Yichang city.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="94" type="taxonomic notes">
|
||
<paragraph pageId="3" pageNumber="94">Taxonomic notes.</paragraph>
|
||
<paragraph pageId="3" pageNumber="94">
|
||
<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">Sedum ichangensis</emphasis>
|
||
</taxonomicName>
|
||
belongs to
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Sedum" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="section" section="Filipes">Sedum sect. Filipes</taxonomicName>
|
||
on account of its carpels adaxially not gibbous, its spurless leaf base and its white flowers (
|
||
<bibRefCitation author="Fu, KJ" editor="Wu, ZY" journalOrPublisher="Science Press, Beijing and Missouri Botanical Garden Press, St Louis" pageId="5" pageNumber="96" pagination="202 - 268" refId="B6" refString="Fu, KJ, Ohba, H, 2001. Crassulaceae. In: Wu, ZY, Raven, PH, Eds., Flora of China, Volume 8. Science Press, Beijing and Missouri Botanical Garden Press, St Louis: 202 - 268" title="Crassulaceae." volumeTitle="Flora of China, Volume 8." year="2001">Fu and Ohba 2001</bibRefCitation>
|
||
).
|
||
<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">Sedum ichangensis</emphasis>
|
||
</taxonomicName>
|
||
is a species easily identifiable by its floral, stem and leaf features. The new species resembles
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. elatinoides" order="Saxifragales" pageId="3" pageNumber="94" phylum="Magnoliophyta" rank="species" species="elatinoides">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">S. elatinoides</emphasis>
|
||
</taxonomicName>
|
||
in the leaf characters, as well as the structure of the flowers. However,
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Magnoliophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">S. ichangensis</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. elatinoides" order="Saxifragales" pageId="3" pageNumber="94" phylum="Magnoliophyta" rank="species" species="elatinoides">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">S. elatinoides</emphasis>
|
||
</taxonomicName>
|
||
in its perennial habit with branched stems and its solitary flowers.
|
||
<taxonomicName authorityName="Y. B. Wang" authorityYear="2019" class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">Sedum ichangensis</emphasis>
|
||
</taxonomicName>
|
||
differs from
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rosthornianum" order="Saxifragales" pageId="3" pageNumber="94" phylum="Magnoliophyta" rank="species" species="rosthornianum">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">S. rosthornianum</emphasis>
|
||
</taxonomicName>
|
||
in its much branched, decumbent stems, entire leaf margins and its solitary flowers. Here, we provide photographs (
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Sedum ichangensis Y. B. Wang from type locality A habitat B flowering stems C flower D unripe follicles E carpels with style." figureDoi="10.3897/phytokeys.132.35428.figure1" httpUri="https://binary.pensoft.net/fig/344044" pageId="3" pageNumber="94" tableDoi="10.3897/phytokeys.132.35428.figure1">Fig. 1</figureCitation>
|
||
), line drawings (
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Sedum ichangensis Y. B. Wang, sp. nov. A habit B flower C carpels D single carpel." figureDoi="10.3897/phytokeys.132.35428.figure2" httpUri="https://binary.pensoft.net/fig/344045" pageId="3" pageNumber="94" tableDoi="10.3897/phytokeys.132.35428.figure2">Fig. 2</figureCitation>
|
||
) and a detailed morphological comparison (Table
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological comparison between Sedum ichangensis and related species." httpUri="http://table.plazi.org/id/D05C79B17B9724A7CEBBE060D1A6EABA" pageId="3" pageNumber="94" tableUuid="D05C79B17B9724A7CEBBE060D1A6EABA">1</tableCitation>
|
||
), as well as a key to the species of
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Sedum" order="Saxifragales" pageId="3" pageNumber="94" phylum="Tracheophyta" rank="section" section="Filipes">Sedum sect. Filipes</taxonomicName>
|
||
in China to facilitate its identification.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="3" pageNumber="94" type="materials_examined">
|
||
<paragraph pageId="3" pageNumber="94">Additional specimens examined (paratypes).</paragraph>
|
||
<paragraph pageId="3" pageNumber="94">
|
||
CHINA. Hubei Province: Xingshan County, Gufu town, 200 m alt.,
|
||
<geoCoordinate degrees="31" direction="north" minutes="20" orientation="latitude" precision="925" value="31.333334">31°20'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="110" direction="east" minutes="45" orientation="longitude" precision="925" value="110.75">110°45'E</geoCoordinate>
|
||
, 15 May 2017, YB Wang ycmy022 (CTGU), same loc. XJ Xiong XXJ024 (CTGU); Yiling County, Muyang River, 280 m alt.,
|
||
<geoCoordinate degrees="30" direction="north" minutes="44" orientation="latitude" precision="925" value="30.733334">30°44'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="111" direction="east" minutes="02" orientation="longitude" precision="925" value="111.03333">111°02'E</geoCoordinate>
|
||
, 3 August 2017, YB Wang ycmy139 (CTGU).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="4" lastPageNumber="95" pageId="3" pageNumber="94" type="conservation status">
|
||
<paragraph pageId="3" pageNumber="94">Conservation status.</paragraph>
|
||
<paragraph pageId="3" pageNumber="94">
|
||
Based on field investigations,
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. ichangensis" order="Saxifragales" pageId="3" pageNumber="94" phylum="Magnoliophyta" rank="species" species="ichangensis">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">S. ichangensis</emphasis>
|
||
</taxonomicName>
|
||
occurs only in three scattered areas. The total area of occupancy is less than 500 km
|
||
<emphasis bold="true" pageId="4" pageNumber="95">2</emphasis>
|
||
; each population possesses no more than 300 mature individuals. It prefers habitats on rocks along roads. Human activities are impairing its populations severely. The type population, which grew close to a road, was seriously impacted in its survival due to herbicide spraying in 2018. Based on currently available information, the conservation status of this species is categorised as Endangered [EN] following the IUCN Categories and Criteria (
|
||
<bibRefCitation author="IUCN" journalOrPublisher="Science Press, Beijing and Missouri Botanical Garden Press, St Louis" pageId="5" pageNumber="96" refId="B7" refString="IUCN, 2017. Guidelines for using the IUCN Red List categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee of the IUCN Species Survival Commission." title="Guidelines for using the IUCN Red List categories and criteria. Version 13. Prepared by the Standards and Petitions Subcommittee of the IUCN Species Survival Commission." year="2017">IUCN 2017</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="4" pageNumber="95" type="key to the species of sedum sect. filipes in china (adapted from fu and ohba 2001)">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<pageBreakToken pageId="4" pageNumber="95" start="start">Key</pageBreakToken>
|
||
to the species of
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" genus="Sedum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Sedum" order="Saxifragales" pageId="4" pageNumber="95" phylum="Tracheophyta" rank="section" section="Filipes">Sedum sect. Filipes</taxonomicName>
|
||
in China (adapted from
|
||
<bibRefCitation author="Fu, KJ" editor="Wu, ZY" journalOrPublisher="Science Press, Beijing and Missouri Botanical Garden Press, St Louis" pageId="5" pageNumber="96" pagination="202 - 268" refId="B6" refString="Fu, KJ, Ohba, H, 2001. Crassulaceae. In: Wu, ZY, Raven, PH, Eds., Flora of China, Volume 8. Science Press, Beijing and Missouri Botanical Garden Press, St Louis: 202 - 268" title="Crassulaceae." volumeTitle="Flora of China, Volume 8." year="2001">Fu and Ohba 2001</bibRefCitation>
|
||
):
|
||
</paragraph>
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<table pageId="4" pageNumber="95">
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants perennial, fasciculate; stamens in 1 series</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. correptum" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="correptum">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. correptum</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants annual or biennial, rarely perennial, solitary or tufted; stamens in 2 series</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">2</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants glandular hairy</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">3</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants glabrous.</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">4</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">3</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
Plants annual; stems soft; leaves 2-4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.4-2.5 cm
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. drymarioides" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="drymarioides">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. drymarioides</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
Plants biennial; stems
|
||
<normalizedToken originalValue="±">+/-</normalizedToken>
|
||
woody at base; leaves 0.7-1.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.7-0.9 cm
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. stellariifolium" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="stellariifolium">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. stellariifolium</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Carpels minutely papillate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">5</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Carpels smooth</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">7</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Stems simple, erect; leaf margin dentate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rosthornianum" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="rosthornianum">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. rosthornianum</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Stems many branched, decumbent; leaf margin entire</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">6</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">6</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants annual; stems erect, flowers in cymes</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. elatinoides" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="elatinoides">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. elatinoides</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Plants perennial, stems creeping, flowers solitary</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. ichangensis" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="ichangensis">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. ichangensis</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">7</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Carpels 3</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. bonnieri" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="bonnieri">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. bonnieri</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Carpels 5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">8</emphasis>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">8</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Petals reddish-purple; flowering stems branched, ca. 20 cm</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. filipes" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="filipes">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. filipes</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Petals white; flowering stems simple, ca. 10 cm</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Magnoliopsida" family="Crassulaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. majus" order="Saxifragales" pageId="4" pageNumber="95" phylum="Magnoliophyta" rank="species" species="majus">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">S. majus</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |