252 lines
19 KiB
XML
252 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.94.23248" ID-PMC="PMC5799780" ID-Pensoft-Pub="1314-2003-94-65" ID-Pensoft-UUID="14368A46FFCB7B42EA54FFC6D974FFCF" ID-PubMed="29416422" ID-Zenodo-Dep="1166373" ModsDocID="1314-2003-94-65" checkinTime="1517263984060" checkinUser="pensoft" docAuthor="Chen, Wen-Hong, Radbouchoom, Sirilak, Nguyen, Hieu Quang, Nguyen, Hiep Tien, Nguyen 4, Khang Sinh & Shui, Yu-Min" docDate="2018" docId="7B9F390FA68A5190BFD5422D530C383A" docLanguage="en" docName="PhytoKeys 94: 65-85" docOrigin="PhytoKeys 94" docPubDate="2018-01-29" docSource="http://dx.doi.org/10.3897/phytokeys.94.23248" docTitle="Begonia gulongshanensis Y. M. Shui & W. H. Chen 2018, sp. nov." docType="treatment" docVersion="3" id="14368A46FFCB7B42EA54FFC6D974FFCF" lastPageNumber="72" masterDocId="14368A46FFCB7B42EA54FFC6D974FFCF" masterDocTitle="Seven new species of Begonia (Begoniaceae) in Northern Vietnam and Southern China" masterLastPageNumber="85" masterPageNumber="65" pageNumber="70" updateTime="1668142228494" 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>Seven new species of Begonia (Begoniaceae) in Northern Vietnam and Southern 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>Chen, Wen-Hong</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar</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>Radbouchoom, Sirilak</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & University of Chinese Academy of Sciences, Beijing 100049, 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>Nguyen, Hieu Quang</mods:namePart>
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<mods:affiliation>Center for Plant Conservation of Vietnam (CPC), Vietnam Union of Science and Technology Associations, 25 / 32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam</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>Nguyen, Hiep Tien</mods:namePart>
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<mods:affiliation>Center for Plant Conservation of Vietnam (CPC), Vietnam Union of Science and Technology Associations, 25 / 32 Lane 191, Lac Long Quan Rd., Hanoi, Vietnam</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>Nguyen 4, Khang Sinh</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, 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>Shui, Yu-Min</mods:namePart>
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<mods:affiliation>Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China & Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar</mods:affiliation>
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<mods:nameIdentifier type="email">ymshui@mail.kib.ac.cn</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>2018</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2018-01-29</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>94</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>65</mods:start>
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<mods:end>85</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.94.23248</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.94.23248</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-94-65</mods:identifier>
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<mods:identifier type="Pensoft-UUID">14368A46FFCB7B42EA54FFC6D974FFCF</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1166373</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182225430" LSID="urn:lsid:plazi:treatment:7B9F390FA68A5190BFD5422D530C383A" httpUri="http://treatment.plazi.org/id/7B9F390FA68A5190BFD5422D530C383A" lastPageId="7" lastPageNumber="72" pageId="5" pageNumber="70">
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<subSubSection pageId="5" pageNumber="70" type="nomenclature">
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<paragraph pageId="5" pageNumber="70">
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<taxonomicName LSID="7B9F390F-A68A-5190-BFD5-422D530C383A" authority="Y. M. Shui & W. H. Chen" authorityName="Y. M. Shui & W. H. Chen" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia gulongshanensis" order="Cucurbitales" pageId="5" pageNumber="70" phylum="Tracheophyta" rank="species" species="gulongshanensis" status="sp. nov.">Begonia gulongshanensis Y.M.Shui & W.H.Chen</taxonomicName>
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<taxonomicNameLabel pageId="5" pageNumber="70">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Begonia gulongshanensis Y. M. Shui & W. H. Chen A Habitat B View of adaxial leaf C View of abaxial leaf D Staminate flower, face view, side view and dorsal view E Pistillate flower, face view and side view F Inflorescence K Cross section of ovary in the middle part. (All photographs by Y. M. Shui)." figureDoi="10.3897/phytokeys.94.23248.figure5" httpUri="https://binary.pensoft.net/fig/182237" pageId="5" pageNumber="70">Fig. 5</figureCitation>
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</paragraph>
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</subSubSection>
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||
<subSubSection pageId="6" pageNumber="71" type="reference_group">
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<paragraph pageId="6" pageNumber="71">
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<taxonomicName authority="Chen & Radbouchoom & Nguyen & Nguyen & Nguyen 4 & Shui, 2018" authorityName="Chen & Radbouchoom & Nguyen & Nguyen & Nguyen 4 & Shui" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia subsp. sect." order="Cucurbitales" pageId="6" pageNumber="71" phylum="Tracheophyta" rank="section" section="Coelocentrum" status="sp. nov.">
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<pageBreakToken pageId="6" pageNumber="71" start="start">Begonia</pageBreakToken>
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sect. Coelocentrum
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</taxonomicName>
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Irmsch.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="71" type="remarks">
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<paragraph pageId="6" pageNumber="71">Remarks.</paragraph>
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<paragraph pageId="6" pageNumber="71">
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The new species is similar to
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<taxonomicName authorityName="T. C. Ku" authorityYear="1997" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia daxinensis" order="Cucurbitales" pageId="6" pageNumber="71" phylum="Tracheophyta" rank="species" species="daxinensis">
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<emphasis italics="true" pageId="6" pageNumber="71">Begonia daxinensis</emphasis>
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</taxonomicName>
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T. C. Ku, but different from it in its ovate leaves (vs. broadly ovate in
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<taxonomicName lsidName="B. daxinensis" pageId="6" pageNumber="71" rank="species" species="daxinensis">
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<emphasis italics="true" pageId="6" pageNumber="71">B. daxinensis</emphasis>
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</taxonomicName>
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), slightly oblique leaf base (vs. extremely oblique), glandulose-villous on peduncles, pedicels, adaxial surface of exterior tepals and fruits (vs. glabrous, sparely eglandulose-pubescent), filaments connected to a half (vs. only at base), the smaller petals of male flowers (0.7-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.7-0.9 cm vs. 1.2-1.9
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.6 cm), the smaller petals of the female flowers (0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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1.0 vs. 1-1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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1-1.2 cm).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="71" type="materials_examined">
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<paragraph pageId="6" pageNumber="71">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="6" pageNumber="71">
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<materialsCitation collectingDate="2016-02-18" collectorName="Y. M. Shui" country="CHINA" county="Autonomous Region" elevation="286" latitude="23.32889" location="Gulongshan" longLatPrecision="21" longitude="106.27945" municipality="Jingxi county" specimenCount="1" stateProvince="Guangxi Zhuang" typeStatus="holotype">
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<collectingCountry name="China">CHINA</collectingCountry>
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.
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<collectingRegion country="China" name="Guangxi">Guangxi Zhuang</collectingRegion>
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<collectingCounty>Autonomous Region</collectingCounty>
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,
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<collectingMunicipality>Jingxi county</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:7B9F390FA68A5190BFD5422D530C383A:A4C983C02ABEDE7DB04C00109D0CE81F" country="CHINA" county="Autonomous Region" latitude="23.32889" longLatPrecision="21" longitude="106.27945" municipality="Jingxi county" name="Gulongshan" stateProvince="Guangxi Zhuang">Gulongshan</location>
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,
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<geoCoordinate degrees="23" direction="north" minutes="19" orientation="latitude" precision="15" seconds="44" value="23.32889">
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23°19
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<normalizedToken originalValue="’44”">'44"</normalizedToken>
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N
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</geoCoordinate>
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,
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<geoCoordinate degrees="106" direction="east" minutes="16" orientation="longitude" precision="15" seconds="46" value="106.27945">
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106°16
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<normalizedToken originalValue="’46”">'46"</normalizedToken>
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E
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</geoCoordinate>
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,
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<elevation metricMagnitude="2" metricUnit="m" metricValue="2.86" unit="m" value="286.0">
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<quantity metricMagnitude="2" metricUnit="m" metricValue="2.86" unit="m" value="286.0">286 m</quantity>
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a.s.l.
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</elevation>
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, in the deep valley, growing on the moist surface of steep cliffs, flower pinkish,
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<collectingDate value="2016-02-18">18 February 2016</collectingDate>
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,
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<emphasis italics="true" pageId="6" pageNumber="71">
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<collectorName>Y.M. Shui</collectorName>
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et al. B2016-048
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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, KUN!)
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</materialsCitation>
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.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="72" pageId="6" pageNumber="71" type="herb, rhizomatous">
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<paragraph pageId="6" pageNumber="71">Herb, rhizomatous.</paragraph>
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<paragraph lastPageId="7" lastPageNumber="72" pageId="6" pageNumber="71">
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Rhizome: 0.3-0.5 cm in diam. Stipule triangular, 0.2-0.4
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<normalizedToken originalValue="×">x</normalizedToken>
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0.6-0.8 cm, apex acute, adaxially subglabrous, abaxially hispid. Leaves all basal, alternate; petiole 5-9 cm long, glandular-hispid; blade greenish, asymmetric, ovate or ovate-lanceolate, 12-18
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<normalizedToken originalValue="×">x</normalizedToken>
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5-9 cm, base cordate, auricular, oblique or slightly oblique, apex caudate, margin serrulate; adaxially greenish, tubercular-setose, with white semi-circle in the middle and with dark red patches along the main nerves; abaxially greenish, glandular-pubescent along veinlets, sparsely villous and densely strigose on main veins; venation palmate, ca. 7 primary veins, secondary veins branching di
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<pageBreakToken pageId="7" pageNumber="72" start="start">chotomous</pageBreakToken>
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, tertiary veins slightly reticulate, veins prominent adaxially. Inflorescence dichasial cyme, axillary, peduncle 5-9 cm, glandular-villous; bracts caducous, oblong-lanceolate, ca. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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1 mm, apex acuminate, adaxially glabrous, abaxially long setulose. Staminate flower: pedicel 1.1-1.8 cm long, glandular-villous; tepals 4, pinkish to pink; outer tepals 2, widely ovate, 0.7-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.7-0.9 cm, apex rotund, margin entire, adaxially glabrous, abaxially glandular-villous; inner tepals 2, narrowly oblong or obovate, 0.6-1.0
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<normalizedToken originalValue="×">x</normalizedToken>
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0.2-0.25 cm, apex acute; androecium actinomorphic; stamens numerous, filaments connected to a half, ca. 1 mm long; anthers yellow, obovate, ca. 0.5 mm long, apex emarginate. Pistillate flower: pedicel ca. 1.1 cm long, glandular-villous; tepals 3, pinkish or pink; outer tepals 2, widely ovate, ca. 0.9
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<normalizedToken originalValue="×">x</normalizedToken>
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1.0 cm, apex rotund, margin entire, adaxially glabrous, abaxially glandular-villous; inner tepal 1, oblong, 5-6
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<normalizedToken originalValue="×">x</normalizedToken>
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2-3 mm, base cuneate, apex acute, margin entire; styles 3, fused at base; stigmas spiralled, papillose; ovary green, elliptic, 0.8-0.9 cm long, glandular-villous; placentation parietal, 2-segmented per carpel. Capsule nodding, 3-winged unequally; major wing ca. 3.5 mm long, lateral wings ca. 2.1 mm long.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="phenology">
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<paragraph pageId="7" pageNumber="72">Phenology.</paragraph>
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<paragraph pageId="7" pageNumber="72">Flowering in February-May, fruiting in May-June.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="etymology">
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<paragraph pageId="7" pageNumber="72">Etymology.</paragraph>
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<paragraph pageId="7" pageNumber="72">The epithet refers to the locality of the type specimens.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="habitat">
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<paragraph pageId="7" pageNumber="72">Habitat.</paragraph>
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<paragraph pageId="7" pageNumber="72">The species only grows on the moist surface of shady cliffs at the entrance to shallow caves in a deep valley.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="distribution">
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<paragraph pageId="7" pageNumber="72">Distribution.</paragraph>
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<paragraph pageId="7" pageNumber="72">The species occurs exclusively in Jingxi county of Guangxi in China.</paragraph>
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</subSubSection>
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<subSubSection pageId="7" pageNumber="72" type="notes">
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<paragraph pageId="7" pageNumber="72">Note.</paragraph>
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<paragraph pageId="7" pageNumber="72">
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In
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<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia subsp. sect." order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="section" section="Coelocentrum">Begonia sect. Coelocentrum</taxonomicName>
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, the new species is similar to the population of
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<taxonomicName lsidName="B. daxinensis" pageId="7" pageNumber="72" rank="species" species="daxinensis">
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<emphasis italics="true" pageId="7" pageNumber="72">B. daxinensis</emphasis>
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</taxonomicName>
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with a white area on the leaves, but differs mainly in its long glandular hairs (
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<bibRefCitation author="Wu, CY" journalOrPublisher="Acta Phytotaxonomica Sinica" pageId="13" pageNumber="78" pagination="43 - 56" refId="B27" refString="Wu, CY, Ku, TC, 1997. New taxa of the Begonia L. (Begoniaceae) from China (Cont.). Acta Phytotaxonomica Sinica 35 (1): 43 - 56" title="New taxa of the Begonia L. (Begoniaceae) from China (Cont.)." volume="35" year="1997">Wu and Ku 1997</bibRefCitation>
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;
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<bibRefCitation author="Ku, SM" journalOrPublisher="Botanical Bulletin of Academia Sinica" pageId="12" pageNumber="77" pagination="353 - 367" refId="B12" refString="Ku, SM, Peng, CI, Liu, Y, 2004. Notes on Begonia (sect. Coelocentrum, Begoniaceae) from Guangxi, China, with the report of two new species. Botanical Bulletin of Academia Sinica 45: 353 - 367" title="Notes on Begonia (sect. Coelocentrum, Begoniaceae) from Guangxi, China, with the report of two new species." volume="45" year="2004">Ku et al. 2004</bibRefCitation>
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). In the latter species, the petals are covered abaxially by brown pubescence and are much larger than those of the new species. As to the lanceolate and colourful leaves, the new species is similar to
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<taxonomicName authorityName="C. I Peng, C. W. Lin & H. Q. Nguyen" authorityYear="2015" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia locii" order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="species" species="locii">
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<emphasis italics="true" pageId="7" pageNumber="72">Begonia locii</emphasis>
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</taxonomicName>
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C.-I Peng, C. W. Lin & H. Q. Nguyen, but different in the absence of glandular hairs of flowers (
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<bibRefCitation DOI="http://dx.doi.org/10.1186/s40529-015-0089-3" author="Peng, CI" journalOrPublisher="Begonian" pageId="13" pageNumber="78" refId="B18" refString="Peng, CI, Lin, CW, Yang, HA, Kono, Y, Nguyen, HQ, 2015a. Six new species of Begonia (Begoniaceae) from limestone areas in Northern Vietnam. Botanical Studies 56: e9. http://dx.doi.org/10.1186/s40529-015-0089-3" title="Six new species of Begonia (Begoniaceae) from limestone areas in Northern Vietnam. Botanical Studies 56: e 9." url="http://dx.doi.org/10.1186/s40529-015-0089-3" year="2015 a">Peng et al. 2015a</bibRefCitation>
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). Furthermore, as to the glandular pubes, the new species is also similar to
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<taxonomicName lsidName="B. filiformis" pageId="7" pageNumber="72" rank="species" species="filiformis">
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<emphasis italics="true" pageId="7" pageNumber="72">B. filiformis</emphasis>
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</taxonomicName>
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Irmsch., but differs in the subglabrous adaxial surface and laxly pubescent abaxial surface of leaves (
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<emphasis italics="true" pageId="7" pageNumber="72">vs.</emphasis>
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densely pubescent adaxial and abaxial surface of leaves in the latter).
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</paragraph>
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<caption ID-Zenodo-Dep="1166740" doi="10.3897/phytokeys.94.23248.figure5" httpUri="https://binary.pensoft.net/fig/182237" pageId="7" pageNumber="72" start="Figure 5" startId="F5">
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<paragraph pageId="7" pageNumber="72">
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<emphasis bold="true" pageId="7" pageNumber="72">Figure 5.</emphasis>
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<taxonomicName authorityName="Y. M. Shui & W. H. Chen" authorityYear="2018" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia gulongshanensis" order="Cucurbitales" pageId="7" pageNumber="72" phylum="Tracheophyta" rank="species" species="gulongshanensis">
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<emphasis italics="true" pageId="7" pageNumber="72">Begonia gulongshanensis</emphasis>
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</taxonomicName>
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Y.M. Shui & W.H. Chen
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<emphasis bold="true" pageId="7" pageNumber="72">A</emphasis>
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Habitat
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<emphasis bold="true" pageId="7" pageNumber="72">B</emphasis>
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View of adaxial leaf
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<emphasis bold="true" pageId="7" pageNumber="72">C</emphasis>
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View of abaxial leaf
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<emphasis bold="true" pageId="7" pageNumber="72">D</emphasis>
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Staminate flower, face view, side view and dorsal view
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<emphasis bold="true" pageId="7" pageNumber="72">E</emphasis>
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Pistillate flower, face view and side view
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<emphasis bold="true" pageId="7" pageNumber="72">F</emphasis>
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Inflorescence
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||
<emphasis bold="true" pageId="7" pageNumber="72">K</emphasis>
|
||
Cross section of ovary in the middle part. (All photographs by Y.M. Shui).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |