treatments-xml/data/DB/34/B1/DB34B140DE335C86A0858132D26A1EB9.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.186.69878" ID-GBIF-Dataset="22b95eab-25ac-4b39-be50-45d9311ae7ba" ID-PMC="PMC8671716" ID-Pensoft-Pub="1314-2003-186-73" ID-Pensoft-UUID="A4FD5ADA118558C9BEEDEF285BD8B25B" ID-PubMed="34975276" ModsDocID="1314-2003-186-73" checkinTime="1638850670309" checkinUser="pensoft" docAuthor="Ngoc, Nguyen Van, Binh, Hoang Thi, Nagahama, Ai, Tagane, Shuichiro, Toyama, Hironori, Matsuo, Ayumi, Suyama, Yoshihisa &amp; Yahara, Tetsukazu" docDate="2021" docId="DB34B140DE335C86A0858132D26A1EB9" docLanguage="en" docName="PhytoKeys 186: 73-92" docOrigin="PhytoKeys 186" docPubDate="2021-12-06" docSource="http://dx.doi.org/10.3897/phytokeys.186.69878" docTitle="Lithocarpus bidoupensis Ngoc &amp; Tagane 2021, sp. nov." docType="treatment" docVersion="5" id="A4FD5ADA118558C9BEEDEF285BD8B25B" lastPageNumber="73" masterDocId="A4FD5ADA118558C9BEEDEF285BD8B25B" masterDocTitle="Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National Park, Vietnam" masterLastPageNumber="92" masterPageNumber="73" pageNumber="73" updateTime="1668140544837" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Morphological and molecular evidence reveals three new species of Lithocarpus (Fagaceae) from Bidoup-Nui Ba National Park, Vietnam</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Ngoc, Nguyen Van</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-1518-9470</mods:nameIdentifier>
<mods:affiliation>Faculty of Biology, Dalat University, 01 - Phu Dong Thien Vuong, Dalat, Vietnam</mods:affiliation>
<mods:nameIdentifier type="email">mr.ngocnv@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Binh, Hoang Thi</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-0829-2955</mods:nameIdentifier>
<mods:affiliation>Faculty of Biology, Dalat University, 01 - Phu Dong Thien Vuong, Dalat, Vietnam</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Nagahama, Ai</mods:namePart>
<mods:affiliation>Faculty of Science, Kyushu University, 744 Motooka, Fukuoka, 819 - 0395, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tagane, Shuichiro</mods:namePart>
<mods:affiliation>The Kagoshima University Museum, Kagoshima University, 1 - 21 - 30 Korimoto, Kagoshima, 890 - 0065, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Toyama, Hironori</mods:namePart>
<mods:affiliation>Biodiversity Division, National Institute for Environmental Studies, Tsukuba, Ibaraki, 305 - 8506, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Matsuo, Ayumi</mods:namePart>
<mods:affiliation>Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232 - 3 Yomogida, Naruko-onsen, Osaki, Miyagi 989 - 6711, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Suyama, Yoshihisa</mods:namePart>
<mods:affiliation>Kawatabi Field Science Center, Graduate School of Agricultural Science, Tohoku University, 232 - 3 Yomogida, Naruko-onsen, Osaki, Miyagi 989 - 6711, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yahara, Tetsukazu</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5105-7152</mods:nameIdentifier>
<mods:affiliation>Faculty of Science, Kyushu University, 744 Motooka, Fukuoka, 819 - 0395, Japan &amp; Kyushu Open University, 744 Motooka, Fukuoka, 819 - 0395, Japan</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
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<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-12-06</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>186</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>73</mods:start>
<mods:end>92</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.186.69878</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.186.69878</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-186-73</mods:identifier>
<mods:identifier type="Pensoft-UUID">A4FD5ADA118558C9BEEDEF285BD8B25B</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="191162315" LSID="urn:lsid:plazi:treatment:DB34B140DE335C86A0858132D26A1EB9" httpUri="http://treatment.plazi.org/id/DB34B140DE335C86A0858132D26A1EB9" lastPageNumber="73" pageId="0" pageNumber="73">
<subSubSection pageId="0" pageNumber="73" type="nomenclature">
<paragraph pageId="0" pageNumber="73">
<taxonomicName LSID="DB34B140-DE33-5C86-A085-8132D26A1EB9" authority="Ngoc &amp; Tagane" authorityName="Ngoc &amp; Tagane" authorityYear="2021" class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus bidoupensis" order="Fagales" pageId="0" pageNumber="73" phylum="Tracheophyta" rank="species" species="bidoupensis" status="sp. nov.">Lithocarpus bidoupensis Ngoc &amp; Tagane</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="73">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="description">
<paragraph pageId="0" pageNumber="73">
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Lithocarpus bidoupensis Ngoc &amp; Tagane A leafy twig B abaxial leaf surface C holotype (Tagane et al. V 4320, DLU) D mature fruit E cupule F mature nut G section of mature nut." figureDoi="10.3897/phytokeys.186.69878.figure3" httpUri="https://binary.pensoft.net/fig/619094" pageId="0" pageNumber="73">Fig. 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="materials_examined">
<paragraph pageId="0" pageNumber="73">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<materialsCitation collectingDate="2016-02-24" collectorName="S. Tagane, H. Toyama, H. Nagamasu, A. Naiki, V. S. Dang, N. V. Ngoc, J. Wai" country="Vietnam" elevation="1698" latitude="12.164708" location="Bidoup-Nui Ba National Park" longLatPrecision="1" longitude="108.53344" specimenCount="1" stateProvince="Lam Dong Province" typeStatus="holotype">
<collectingCountry name="Vietnam">Vietnam</collectingCountry>
. 
<collectingRegion country="Vietnam" name="Lam Dong">Lam Dong Province</collectingRegion>
: 
<location LSID="urn:lsid:plazi:treatment:DB34B140DE335C86A0858132D26A1EB9:285C890DA447C864996DAC1C3AE5A103" country="Vietnam" latitude="12.164708" longLatPrecision="1" longitude="108.53344" name="Bidoup-Nui Ba National Park" stateProvince="Lam Dong Province">Bidoup-Nui Ba National Park</location>
, in hill evergreen forest dominated by the species of 
<taxonomicName family="Fagaceae" kingdom="Plantae" lsidName="" order="Fagales" pageId="0" pageNumber="73" rank="family">Fagaceae</taxonomicName>
, 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.698" unit="m" value="1698.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.698" unit="m" value="1698.0">1698 m</elevation>
</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="09" orientation="latitude" precision="1" seconds="52.95" value="12.164708">12°09'52.95&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="32" orientation="longitude" precision="1" seconds="00.38" value="108.53344">108°32'00.38&quot;E</geoCoordinate>
, 
<collectingDate value="2016-02-24">24 February 2016</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>S. Tagane</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>H. Toyama</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>H. Nagamasu</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>A. Naiki</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>V.S. Dang</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>N.V. Ngoc</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectorName>J. Wai</collectorName>
V4320
</emphasis>
[fr.] (
<typeStatus>holotype</typeStatus>
DLU!, isotypes FU!, HN!, KYO!, VNM!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="diagnosis">
<paragraph pageId="0" pageNumber="73">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName authorityName="Ngoc &amp; Tagane" authorityYear="2021" class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus bidoupensis" order="Fagales" pageId="0" pageNumber="73" phylum="Tracheophyta" rank="species" species="bidoupensis">
<emphasis italics="true" pageId="0" pageNumber="73">Lithocarpus bidoupensis</emphasis>
</taxonomicName>
is most similar to 
<taxonomicName lsidName="L. blaoensis" pageId="0" pageNumber="73" rank="species" species="blaoensis">
<emphasis italics="true" pageId="0" pageNumber="73">L. blaoensis</emphasis>
</taxonomicName>
but differs in its shorter leaf blades, petioles and infructescences, and bigger cupules and nuts. The new species is also similar to 
<taxonomicName lsidName="L. licentii" pageId="0" pageNumber="73" rank="species" species="licentii">
<emphasis italics="true" pageId="0" pageNumber="73">L. licentii</emphasis>
</taxonomicName>
but distinguished from 
<taxonomicName lsidName="L. licentii" pageId="0" pageNumber="73" rank="species" species="licentii">
<emphasis italics="true" pageId="0" pageNumber="73">L. licentii</emphasis>
</taxonomicName>
by its shorter petioles, fewer secondary veins (10-12 pairs in 
<taxonomicName lsidName="L. bidoupensis" pageId="0" pageNumber="73" rank="species" species="bidoupensis">
<emphasis italics="true" pageId="0" pageNumber="73">L. bidoupensis</emphasis>
</taxonomicName>
vs. 12-15 pairs in 
<taxonomicName lsidName="L. licentii" pageId="0" pageNumber="73" rank="species" species="licentii">
<emphasis italics="true" pageId="0" pageNumber="73">L. licentii</emphasis>
</taxonomicName>
), much shorter infructescences, clustered cupules (vs. solitary), cupule covering less than 1/3 of the nut (vs. 1/2-2/3 of the nut), and concave basal scar of the nut (vs. convex) (Table 
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. The comparisons of mean (X) and standard deviation (SD) value of the leaf blade and cupule size between L. bidoupensis, L. congtroiensis, and L. hongiaoensis with related species. 1 Derived from type specimens, 2 Derived from this study collections, n = number of leaf or cupule were measured in this study." httpUri="http://table.plazi.org/id/7A88C7C4012617044DAF8F45FFD41CBC" pageId="0" pageNumber="73" tableUuid="7A88C7C4012617044DAF8F45FFD41CBC">2</tableCitation>
).
</paragraph>
<caption doi="10.3897/phytokeys.186.69878.figure3" httpUri="https://binary.pensoft.net/fig/619094" pageId="0" pageNumber="73" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Figure 3.</emphasis>
<taxonomicName authorityName="Ngoc &amp; Tagane" authorityYear="2021" class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus bidoupensis" order="Fagales" pageId="0" pageNumber="73" phylum="Tracheophyta" rank="species" species="bidoupensis">
<emphasis italics="true" pageId="0" pageNumber="73">Lithocarpus bidoupensis</emphasis>
</taxonomicName>
Ngoc &amp; Tagane 
<emphasis bold="true" pageId="0" pageNumber="73">A</emphasis>
leafy twig 
<emphasis bold="true" pageId="0" pageNumber="73">B</emphasis>
abaxial leaf surface 
<emphasis bold="true" pageId="0" pageNumber="73">C</emphasis>
holotype (
<emphasis italics="true" pageId="0" pageNumber="73">Tagane</emphasis>
et al. 
<emphasis italics="true" pageId="0" pageNumber="73">V4320</emphasis>
, DLU) 
<emphasis bold="true" pageId="0" pageNumber="73">D</emphasis>
mature fruit 
<emphasis bold="true" pageId="0" pageNumber="73">E</emphasis>
cupule 
<emphasis bold="true" pageId="0" pageNumber="73">F</emphasis>
mature nut 
<emphasis bold="true" pageId="0" pageNumber="73">G</emphasis>
section of mature nut.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="description">
<paragraph pageId="0" pageNumber="73">Description.</paragraph>
<paragraph pageId="0" pageNumber="73">
Evergreen tree, up to 27 m tall. Branches yellowish green when young, turning greyish brown when old, glabrous, sparsely lenticellate. Terminal and lateral buds ovoid, up to 7 mm long. Leaves alternate; petiole 0.3-0.4 cm long, glabrous; blade elliptic to oblong-elliptic, obovate-elliptic, 6-11.6 
<normalizedToken originalValue="×">x</normalizedToken>
2.8-5.3 cm, coriaceous, glabrous, glossy green on both surfaces, apex acuminate or attenuate, acumen up to 0.9 cm long, base cuneate, rarely obtuse, margin completely entire, midrib prominent on both surfaces, secondary veins 10-12 pairs, prominent abaxially, at an angle of 55-70° from the midrib, tertiary veins scalariform-reticulate, visible abaxially. Inflorescences not seen. Infructescences a woody spike, 8.4-11.5 cm long. Cupules sessile, usually in cluster of 3, fused at the base each other, depressed obconical or saucer-shaped, 0.71-1.40 cm high, 2.13-2.80 cm in diam., enclosing 1/4-1/3 of the nut, pubescent with short grayish indumentum outside; wall woody, ca. 2 mm thick, with brown triangular scales outside, the scales up to 4 
<normalizedToken originalValue="×">x</normalizedToken>
4 mm, imbricate, arranged in 3 or 4 interrupted concentric rings. Nut broadly ovoid-conical to depressed ovoid-globose, 1.5-1.6 cm high, 2.1-2.3 cm in diam., glabrous, brown to blackish brown; basal scar slightly concave, 1.4-1.9 cm in diam.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="phenology">
<paragraph pageId="0" pageNumber="73">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="73">Unknown. Fallen fruits were collected in February.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="distribution">
<paragraph pageId="0" pageNumber="73">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="73">
Vietnam (Khanh Hoa and Lam Dong provinces) (Fig. 
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Type locality of the new species (Black dots): L 1: L. bidoupensis, L 2: L. congtroiensis, and L 3: L. hongiaoensis." figureDoi="10.3897/phytokeys.186.69878.figure1" httpUri="https://binary.pensoft.net/fig/619092" pageId="0" pageNumber="73">1</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="etymology">
<paragraph pageId="0" pageNumber="73">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="73">The specific epithet is derived from the type locality, Bidoup-Nui Ba National Park, Lam Dong Province, Vietnam.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="vernacular name">
<paragraph pageId="0" pageNumber="73">Vernacular name.</paragraph>
<paragraph pageId="0" pageNumber="73">
<normalizedToken originalValue="Dé">De</normalizedToken>
<normalizedToken originalValue="đá">đa</normalizedToken>
Bidoup
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="materials_examined">
<paragraph pageId="0" pageNumber="73">Additional specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="73">
<collectingCountry name="Vietnam">Vietnam</collectingCountry>
. 
<collectingRegion country="Vietnam" name="Lam Dong">Lam Dong Province</collectingRegion>
: Bidoup-Nui Ba National Park; 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.6019999999999999" unit="m" value="1602.0">1602 m</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="09" orientation="latitude" precision="1" seconds="27.6" value="12.157666">12°09'27.6&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="32" orientation="longitude" precision="1" seconds="06.6" value="108.535164">108°32'06.6&quot;E</geoCoordinate>
, 
<date value="2018-03-24">24 Mar. 2018</date>
, 
<emphasis italics="true" pageId="0" pageNumber="73">T. Yahara</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">H. Nagamasu</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">H. Toyama</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">M. Zhang</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">A. Nagahama</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">N.V. Ngoc</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">K. Tsuchiya V7850</emphasis>
[ster.] (DLU!, FU!); ibid., 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.656" unit="m" value="1656.0">1656 m</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="09" orientation="latitude" precision="1" seconds="36.61" value="12.160169">12°09'36.61&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="32" orientation="longitude" precision="1" seconds="11.16" value="108.53643">108°32'11.16&quot;E</geoCoordinate>
, 
<date value="2018-03-24">24 Mar. 2018</date>
, 
<emphasis italics="true" pageId="0" pageNumber="73">T. Yahara, S. Tagane, M. Zhang, A. Nagahama, K. Tsuchiya, N.V. Ngoc, H.T. Binh, T.Q. Cuong V8190</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">V8417</emphasis>
[ster.] (DLU!, FU!); ibid., 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.669" unit="m" value="1669.0">1669 m</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="09" orientation="latitude" precision="1" seconds="36.65" value="12.16018">12°09'36.65&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="32" orientation="longitude" precision="1" seconds="11.18" value="108.53644">108°32'11.18&quot;E</geoCoordinate>
, 
<date value="2019-04-29">29 Apr. 2019</date>
, 
<emphasis italics="true" pageId="0" pageNumber="73">N.V. Ngoc</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">H.T. Binh</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">N.V. Duy</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">T.T. Nhung NAF122</emphasis>
[ster.] (DLU!); ibid., 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.669" unit="m" value="1669.0">1669 m</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="09" orientation="latitude" precision="1" seconds="36.62" value="12.1601715">12°09'36.62&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="32" orientation="longitude" precision="1" seconds="11.25" value="108.53646">108°32'11.25&quot;E</geoCoordinate>
, 
<date value="2019-04-29">29 Apr. 2019</date>
, 
<emphasis italics="true" pageId="0" pageNumber="73">N.V. Ngoc, H.T. Binh, N.V. Duy, T.T. Nhung NAF185</emphasis>
[ster.] (DLU!). 
<collectingRegion country="Vietnam" name="Khanh Hoa">Khanh Hoa Province</collectingRegion>
: Son Thai Commune, Khanh Vinh District, in evergreen; 
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.43" unit="m" value="1430.0">1430 m</quantity>
elev., 
<geoCoordinate degrees="12" direction="north" minutes="10" orientation="latitude" precision="1" seconds="42.09" value="12.178359">12°10'42.09&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="43" orientation="longitude" precision="1" seconds="32.59" value="108.72572">108°43'32.59&quot;E</geoCoordinate>
, 
<date value="2019-04-23">23 Apr. 2019</date>
, 
<emphasis italics="true" pageId="0" pageNumber="73">T. Yahara</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">S. Tagane</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">A. Nagahama</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">N. Komada</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">
<collectingCountry name="Vietnam">V.N.</collectingCountry>
Ngoc
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="73">H.V. Thanh V9940</emphasis>
[ster.] (DLU!, FU!).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="conservation status">
<paragraph pageId="0" pageNumber="73">Conservation status.</paragraph>
<paragraph pageId="0" pageNumber="73">
Critically Endangered (CR). From our intensive field survey in Bidoup-Nui Ba Naitonal Park and its vicinities from 2015 to present (
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.80.13338" author="Tagane, S" journalOrPublisher="PhytoKeys" pageId="0" pageNumber="73" pagination="113 - 120" refId="B35" refString="Tagane, S, Dang, VS, Ngoc, NV, Binh, HT, Komada, N, Wai, JS, Naiki, A, Nagamasu, H, Toyama, H, Yahara, T, 2017. Macrosolen bidoupensis (Loranthaceae), a new species from Bidoup Nui Ba National Park, southern Vietnam. PhytoKeys 80: 113 - 120, DOI: https://doi.org/10.3897/phytokeys.80.13338" title="Macrosolen bidoupensis (Loranthaceae), a new species from Bidoup Nui Ba National Park, southern Vietnam." url="https://doi.org/10.3897/phytokeys.80.13338" volume="80" year="2017">Tagane et al. 2017</bibRefCitation>
&amp; 2020, 
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.92.21831" author="Binh, HT" journalOrPublisher="PhytoKeys" pageId="0" pageNumber="73" pagination="1 - 15" refId="B5" refString="Binh, HT, Ngoc, NV, Bon, TN, Tagane, S, Suyama, Y, Yahara, T, 2018b. A new species and two new records of Quercus (Fagaceae) from northern Vietnam. PhytoKeys 92: 1 - 15, DOI: https://doi.org/10.3897/phytokeys.92.21831" title="A new species and two new records of Quercus (Fagaceae) from northern Vietnam." url="https://doi.org/10.3897/phytokeys.92.21831" volume="92" year="2018 b">Binh et al 2018b</bibRefCitation>
), 
<taxonomicName authorityName="Ngoc &amp; Tagane" authorityYear="2021" class="Magnoliopsida" family="Fagaceae" genus="Lithocarpus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Lithocarpus bidoupensis" order="Fagales" pageId="0" pageNumber="73" phylum="Tracheophyta" rank="species" species="bidoupensis">
<emphasis italics="true" pageId="0" pageNumber="73">Lithocarpus bidoupensis</emphasis>
</taxonomicName>
was found only in a narrow area within the protected areas of Bidoup-Nui Ba National Park, and its adjascent area of Son Thai Commune at the elevation range between 1400 and 1669 m. In the area, we observed fewer than 50 mature individuals. Based on criterion D of the IUCN Red List criteria (
<bibRefCitation author="IUCN" journalOrPublisher="Science Press, Beijing &amp; Missouri Botanical Garden Press, Saint Louis" pageId="0" pageNumber="73" refId="B23" refString="IUCN, 2012. IUCN Red List Categories and Criteria: Version 3.1. 2nd edn. Gland, Switzerland and Cambridge, UK, [iv +] 32 pp." title="IUCN Red List Categories and Criteria: Version 3.1. 2 nd edn. Gland, Switzerland and Cambridge, UK, [iv +] 32 pp." year="2012">IUCN 2012</bibRefCitation>
), this species is qualified as CR.
</paragraph>
</subSubSection>
</treatment>
</document>