284 lines
20 KiB
XML
284 lines
20 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.206.85635" ID-Pensoft-Pub="1314-2003-206-61" ID-Pensoft-UUID="A0DEE4918D5B5E54BF693D11AA8BE230" ModsDocID="1314-2003-206-61" checkinTime="1661532602875" checkinUser="pensoft" docAuthor="Ngoc, Nguyen Van, Binh, Hoang Thi, Son, Hoang Thanh, Suyama, Yoshihisa & Yahara, Tetsukazu" docDate="2022" docId="96F587139F285FF3BB78857B00B7396A" docLanguage="en" docName="PhytoKeys 206: 61-73" docOrigin="PhytoKeys 206" docPubDate="2022-08-26" docSource="http://dx.doi.org/10.3897/phytokeys.206.85635" docTitle="Quercus sontraensis Ngoc, H. T. Binh & Son 2022, sp. nov." docType="treatment" docVersion="1" id="A0DEE4918D5B5E54BF693D11AA8BE230" lastPageNumber="61" masterDocId="A0DEE4918D5B5E54BF693D11AA8BE230" masterDocTitle="A new species of Quercus genus (Fagaceae) from Son Tra Peninsula, Central Vietnam" masterLastPageNumber="73" masterPageNumber="61" pageNumber="61" updateTime="1661532602875" 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>A new species of Quercus genus (Fagaceae) from Son Tra Peninsula, Central Vietnam</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>Ngoc, Nguyen Van</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-1518-9470</mods:nameIdentifier>
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<mods:affiliation>Faculty of Biology, Dalat University, 01 - Phu Dong Thien Vuong, Dalat, Vietnam</mods:affiliation>
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<mods:nameIdentifier type="email">mr.ngocnv@gmail.com</mods:nameIdentifier>
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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>Binh, Hoang Thi</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-0829-2955</mods:nameIdentifier>
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<mods:affiliation>Faculty of Biology, Dalat University, 01 - Phu Dong Thien Vuong, Dalat, 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>Son, Hoang Thanh</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-0351-929X</mods:nameIdentifier>
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<mods:affiliation>Department of Forest Phytodiversity, Silviculture Research Institute, Vietnamese Academy of Forest Sciences, 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>Suyama, Yoshihisa</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3136-5489</mods:nameIdentifier>
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<mods:affiliation>Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232 - 3 Yomogida, Naruko-onsen, Osaki, Miyagi 989 - 6711, Japan</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>Yahara, Tetsukazu</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5105-7152</mods:nameIdentifier>
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<mods:affiliation>Kyushu Open University, 744 Motooka, Fukuoka, 819 - 0395, Japan</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2022</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2022-08-26</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>206</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>61</mods:start>
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<mods:end>73</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.206.85635</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.206.85635</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-206-61</mods:identifier>
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||
<mods:identifier type="Pensoft-UUID">A0DEE4918D5B5E54BF693D11AA8BE230</mods:identifier>
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||
</mods:mods>
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<treatment LSID="urn:lsid:plazi:treatment:96F587139F285FF3BB78857B00B7396A" httpUri="http://treatment.plazi.org/id/96F587139F285FF3BB78857B00B7396A" lastPageNumber="61" pageId="0" pageNumber="61">
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<subSubSection pageId="0" pageNumber="61" type="nomenclature">
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<paragraph pageId="0" pageNumber="61">
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<taxonomicName LSID="96F58713-9F28-5FF3-BB78-857B00B7396A" authority="Ngoc, H. T. Binh & Son" authorityName="Ngoc, H. T. Binh & Son" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus sontraensis" order="Fagales" pageId="0" pageNumber="61" phylum="Tracheophyta" rank="species" species="sontraensis" status="sp. nov.">Quercus sontraensis Ngoc, H.T.Binh & Son</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="61">sp. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="description">
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<paragraph pageId="0" pageNumber="61">
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<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Quercus sontraensis Binh, Ngoc & Son A leafy twig with male inflorescences B, C young leaves covered with densely golden hairs D mature fruits E stylopodium F, G side and base of the cupule H inside of the cupule I nut (lateral view) K nut (top view). Materials from Son et al. QC 201." figureDoi="10.3897/phytokeys.206.85635.figure4" httpUri="https://binary.pensoft.net/fig/735681" pageId="0" pageNumber="61">Fig. 4</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="diagnosis">
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<paragraph pageId="0" pageNumber="61">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="61">
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<taxonomicName authorityName="Ngoc, H. T. Binh & Son" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus sontraensis" order="Fagales" pageId="0" pageNumber="61" phylum="Tracheophyta" rank="species" species="sontraensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Quercus sontraensis</emphasis>
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</taxonomicName>
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is morphologically similar to
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<taxonomicName genus="Q." lsidName="Q. cambodiensis" pageId="0" pageNumber="61" rank="species" species="cambodiensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Q. cambodiensis</emphasis>
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</taxonomicName>
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and
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<taxonomicName genus="Q." lsidName="Q. langbianensis" pageId="0" pageNumber="61" rank="species" species="langbianensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Q. langbianensis</emphasis>
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</taxonomicName>
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in leaf shape (lanceolate to elliptic), cupules with 6-9 rings and cupule enclosing less than
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<normalizedToken originalValue="½">1/2</normalizedToken>
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of the nut. However,
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<taxonomicName genus="Q." lsidName="Q. sontraensis" pageId="0" pageNumber="61" rank="species" species="sontraensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Q. sontraensis</emphasis>
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</taxonomicName>
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is distinguished from
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<taxonomicName genus="Q." lsidName="Q. cambodiensis" pageId="0" pageNumber="61" rank="species" species="cambodiensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Q. cambodiensis</emphasis>
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</taxonomicName>
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by its leaf margin regularly and distinctly serrate on the upper 1/3-1/4 (-1/5) of the lamina (vs. almost entire or with a few low teeth in upper 1/4), bowl-shaped cupule (vs. cup-shaped), cupule bract margin distinctly toothed in all rings, except two upper rings (vs. entire, except distinctly toothed in two lower rings) and differs from
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<taxonomicName genus="Q." lsidName="Q. langbianensis" pageId="0" pageNumber="61" rank="species" species="langbianensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Q. langbianensis</emphasis>
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</taxonomicName>
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in having bowl-shaped cupule (vs. cup-shaped), cupule bract margin distinctly toothed in all rings, except two upper rings (vs. distinctly toothed in all rings), broadly ellipsoid nut (vs. obovoid to ellipsoid) and slightly convex nut scar (vs. convex).
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</paragraph>
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<caption doi="10.3897/phytokeys.206.85635.figure4" httpUri="https://binary.pensoft.net/fig/735681" pageId="0" pageNumber="61" start="Figure 4" startId="F4">
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<paragraph pageId="0" pageNumber="61">
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<emphasis bold="true" pageId="0" pageNumber="61">Figure 4.</emphasis>
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<taxonomicName authorityName="Ngoc, H. T. Binh & Son" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus sontraensis" order="Fagales" pageId="0" pageNumber="61" phylum="Tracheophyta" rank="species" species="sontraensis">
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<emphasis italics="true" pageId="0" pageNumber="61">Quercus sontraensis</emphasis>
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</taxonomicName>
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Binh, Ngoc & Son
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<emphasis bold="true" pageId="0" pageNumber="61">A</emphasis>
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leafy twig with male inflorescences
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<emphasis bold="true" pageId="0" pageNumber="61">B, C</emphasis>
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young leaves covered with densely golden hairs
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<emphasis bold="true" pageId="0" pageNumber="61">D</emphasis>
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mature fruits
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<emphasis bold="true" pageId="0" pageNumber="61">E</emphasis>
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stylopodium
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<emphasis bold="true" pageId="0" pageNumber="61">F, G</emphasis>
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side and base of the cupule
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<emphasis bold="true" pageId="0" pageNumber="61">H</emphasis>
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inside of the cupule
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<emphasis bold="true" pageId="0" pageNumber="61">I</emphasis>
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nut (lateral view)
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<emphasis bold="true" pageId="0" pageNumber="61">K</emphasis>
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nut (top view). Materials from
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<emphasis italics="true" pageId="0" pageNumber="61">Son et al. QC201</emphasis>
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.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="materials_examined">
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<paragraph pageId="0" pageNumber="61">
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<typeStatus>Type</typeStatus>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="61">
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<materialsCitation collectingDate="2016-10-09" collectorName="Son H. T., Binh H. T., Ngoc N. V." country="Vietnam" county="City" elevation="340" latitude="16.139694" location="Son Tra Nature Reserve" longLatPrecision="1" longitude="108.25801" municipality="Son Tra Peninsula" specimenCount="1" stateProvince="Da Nang" typeStatus="holotype">
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<collectingCountry name="Vietnam">Vietnam</collectingCountry>
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.
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<collectingRegion country="Vietnam" name="Da Nang">Da Nang</collectingRegion>
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<collectingCounty>City</collectingCounty>
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,
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<collectingMunicipality>Son Tra Peninsula</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:96F587139F285FF3BB78857B00B7396A:34589AB6132C46FB40B166ED75AB9EEC" country="Vietnam" county="City" latitude="16.139694" longLatPrecision="1" longitude="108.25801" municipality="Son Tra Peninsula" name="Son Tra Nature Reserve" stateProvince="Da Nang">Son Tra Nature Reserve</location>
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, in evergreen forest, alt.
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<quantity metricMagnitude="2" metricUnit="m" metricValue="3.4" unit="m" value="340.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="3.4" unit="m" value="340.0">340 m</elevation>
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</quantity>
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,
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<geoCoordinate degrees="16" direction="north" minutes="08" orientation="latitude" precision="1" seconds="22.90" value="16.139694">16°08'22.90"N</geoCoordinate>
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,
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<geoCoordinate degrees="108" direction="east" minutes="15" orientation="longitude" precision="1" seconds="28.85" value="108.25801">108°15'28.85"E</geoCoordinate>
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,
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<collectingDate value="2016-10-09">9 October 2016</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="61">
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<collectorName>Son H.T.</collectorName>
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</emphasis>
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,
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<emphasis italics="true" pageId="0" pageNumber="61">
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<collectorName>Binh H.T.</collectorName>
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</emphasis>
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,
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<emphasis italics="true" pageId="0" pageNumber="61">
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<collectorName>Ngoc N.V.</collectorName>
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QC201
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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DLU!, isotypes HN!, VNM!, VAFS!)
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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="61" type="description">
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<paragraph pageId="0" pageNumber="61">Description.</paragraph>
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<paragraph pageId="0" pageNumber="61">
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Tree, 12 m tall. Terminal and lateral buds ovoid, 3-5 mm long, 1.5-3 mm in diam., scales in 3-5 rows, imbricate, ovate-triangular, ca. 1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2 mm, apex obtuse, margin yellowish-brown ciliate, appressed hairy on both surfaces. Young twigs greyish-brown, 1.5-2 mm in diam., densely curly golden hairy, sometimes sulcate, old twigs greyish-brown, glabrous, lenticellate. Leaves alternate; blades elliptic to elliptic-lanceolate, 7-12.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2.2-3.5 cm, acuminate or sometimes acute at apex, cuneate at base, margin regularly and distinctly serrate in the upper 1/3-1/4 (-1/5), densely golden hair on both surfaces when young, glabrescent, midrib sunken adaxially, prominent abaxially, lateral veins (8-)11-14 pairs, straight and running into the teeth of margin, slightly sunken adaxially, prominent abaxially, at an angle of 45-50(-52) degrees from midrib, tertiary veins scalariform, faint on the upper surfaces and conspicuous on the lower surfaces; petioles (0.7-)1-1.5 cm long, densely curly golden hairy when young, soon glabrous. Male inflorescence 7-9 cm long. Female inflorescence 2.5-3.5 cm long, female flowers solitary. Infructescences axillary or terminal, erect, rachis 0.5-0.8 (-1.2) cm long, 3-4 (-6) mm in diam., densely golden hairy. Fruits 1-3, 3-3.3 cm long (including cupule), sessile; cupules bowl-shaped, 1.2-1.7 (-1.9) cm long, 1.3-2.2 cm in diam., enclosing 1/3 of the nut when mature, both outside and inside covered with densely appressed yellowish-brown hairs, wall ca. 1.5-3 mm thick, comprising scales, scales arranged in 7-8 rings, margin of the ring distinctly toothed in all rings, except two upper rings; nut broadly ellipsoid 2.3-2.6 cm long, 1.7-2.0 cm in diam., densely golden hairy, apex nearly flat, densely appressed curly golden hairs around stylopodia, stylopodia up to 1.5 mm long, basal scar 1.1-1.3 cm in diam., slightly convex, glabrous.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="distribution">
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<paragraph pageId="0" pageNumber="61">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="61">Vietnam. Da Nang City, Son Tra Nature Reserve.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="etymology">
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<paragraph pageId="0" pageNumber="61">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="61">The specific epithet is derived from the district name of the type locality, Son Tra Nature Reserve, Son Tra Peninsula, Da Nang City, Central Vietnam.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="vernacular name">
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<paragraph pageId="0" pageNumber="61">Vernacular name.</paragraph>
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<paragraph pageId="0" pageNumber="61">
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Sồi
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<normalizedToken originalValue="Sơn">Sơn</normalizedToken>
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<normalizedToken originalValue="Trà">Tra</normalizedToken>
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(suggested here).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="phenology">
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<paragraph pageId="0" pageNumber="61">Phenology.</paragraph>
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<paragraph pageId="0" pageNumber="61">Flowering from January to March, fruiting specimens were collected from September to October.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="61" type="materials_examined">
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<paragraph pageId="0" pageNumber="61">Additional specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="61">
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<materialsCitation collectingDate="2019-09-20" collectorName="Son H. T." country="Vietnam" county="City" elevation="385" latitude="16.11675" location="Son Tra Nature Reserve" longLatPrecision="1" longitude="108.294586" municipality="Son Tra Peninsula" specimenCount="1" stateProvince="Da Nang">
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<collectingCountry name="Vietnam">Vietnam</collectingCountry>
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.
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<collectingRegion country="Vietnam" name="Da Nang">Da Nang</collectingRegion>
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<collectingCounty>City</collectingCounty>
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,
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<collectingMunicipality>Son Tra Peninsula</collectingMunicipality>
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,
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<location LSID="urn:lsid:plazi:treatment:96F587139F285FF3BB78857B00B7396A:0FA3817B10E86DAC26108C81D85FEFE4" country="Vietnam" county="City" latitude="16.11675" longLatPrecision="1" longitude="108.294586" municipality="Son Tra Peninsula" name="Son Tra Nature Reserve" stateProvince="Da Nang">Son Tra Nature Reserve</location>
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, in evergreen forest,
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<quantity metricMagnitude="2" metricUnit="m" metricValue="3.85" unit="m" value="385.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="3.85" unit="m" value="385.0">385 m</elevation>
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</quantity>
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elev.,
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<geoCoordinate degrees="16" direction="north" minutes="07" orientation="latitude" precision="1" seconds="41.7" value="16.12825">16°07'41.7"N</geoCoordinate>
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,
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<geoCoordinate degrees="108" direction="east" minutes="15" orientation="longitude" precision="1" seconds="55.7" value="108.26547">108°15'55.7"E</geoCoordinate>
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,
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<collectingDate value="2019-09-20">20 September 2019</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="61">
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<collectorName>Son H.T.</collectorName>
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QC202
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</emphasis>
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[fr.] (DLU!, VAFS!); ibid.,
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<quantity metricMagnitude="2" metricUnit="m" metricValue="4.279999999999999" unit="m" value="428.0">
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<elevation metricMagnitude="2" metricUnit="m" metricValue="4.279999999999999" unit="m" value="428.0">428 m</elevation>
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</quantity>
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elev.,
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<geoCoordinate degrees="16" direction="north" minutes="07" orientation="latitude" precision="1" seconds="00.3" value="16.11675">16°07'00.3"N</geoCoordinate>
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,
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<geoCoordinate degrees="108" direction="east" minutes="17" orientation="longitude" precision="1" seconds="40.5" value="108.294586">108°17'40.5"E</geoCoordinate>
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,
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<collectingDate value="2019-09-20">20 September 2019</collectingDate>
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,
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<emphasis italics="true" pageId="0" pageNumber="61">
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<collectorName>Son H.T.</collectorName>
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QC203
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</emphasis>
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[fl.] (DLU!, VAFS!)
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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="61" type="preliminary conservation status">
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<paragraph pageId="0" pageNumber="61">Preliminary conservation status.</paragraph>
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<paragraph pageId="0" pageNumber="61">
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During our floristic survey inside the protected area of Son Tra Nature Reserve, less than 10 mature individuals of
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||
<taxonomicName authorityName="Ngoc, H. T. Binh & Son" authorityYear="2022" class="Magnoliopsida" domain="Unassigned" family="Fagaceae" genus="Quercus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Quercus sontraensis" order="Fagales" pageId="0" pageNumber="61" phylum="Tracheophyta" rank="species" species="sontraensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="61">Quercus sontraensis</emphasis>
|
||
</taxonomicName>
|
||
were found in the evergreen forest, from 340 to 430 m altitude. According to the criteria established by the IUCN Red List (
|
||
<bibRefCitation author="Hubert, F" journalOrPublisher="Systematics and Biodiversity" pageId="0" pageNumber="61" publicationUrl="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" refId="B18" refString="2019. . http://www.iucnredlist.org/documents/RedListGuidelines.pdf" url="http://www.iucnredlist.org/documents/RedListGuidelines.pdf" year="2019">IUCN 2019</bibRefCitation>
|
||
),
|
||
<taxonomicName genus="Q." lsidName="Q. sontraensis" pageId="0" pageNumber="61" rank="species" species="sontraensis">
|
||
<emphasis italics="true" pageId="0" pageNumber="61">Q. sontraensis</emphasis>
|
||
</taxonomicName>
|
||
is qualified as Critically Endangered (CR), based on the extent of occurrence (EOO 1.47 km2) and area of occupancy (AOO 12.0 km2) [CR B1ab(i,ii,iii) 1 B2ab(i,ii,iii)].
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |