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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.94.21337" ID-PMC="PMC5799790" ID-Pensoft-Pub="1314-2003-94-31" ID-Pensoft-UUID="FFF43C0333416542013E6970FFD42E1D" ID-PubMed="29416418" ID-Zenodo-Dep="1166349" ModsDocID="1314-2003-94-31" checkinTime="1517263959038" checkinUser="pensoft" docAuthor="Liu, Qiang, Zhou, Shi-Shun, Jin, Xiao-Hua, Pan, Bo, Maung, Kyaw Win, Zyaw, Myint, Li, Ren, Quan, Rui-Chang &amp; Tan, Yun-Hong" docDate="2018" docId="171F13F860A954C48CD846FFFF8E27CA" docLanguage="en" docName="PhytoKeys 94: 31-38" docOrigin="PhytoKeys 94" docPubDate="2018-01-29" docSource="http://dx.doi.org/10.3897/phytokeys.94.21337" docTitle="Dendrobium naungmungense Q. Liu &amp; X. H. Jin 2018, sp. nov." docType="treatment" docVersion="3" id="FFF43C0333416542013E6970FFD42E1D" lastPageNumber="35" masterDocId="FFF43C0333416542013E6970FFD42E1D" masterDocTitle="Dendrobium naungmungense (Orchidaceae, Dendrobieae), a new species from Kachin State, Myanmar" masterLastPageNumber="38" masterPageNumber="31" pageNumber="32" updateTime="1668142222302" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Dendrobium naungmungense (Orchidaceae, Dendrobieae), a new species from Kachin State, Myanmar</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu, Qiang</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-6168-3883</mods:nameIdentifier>
<mods:affiliation>Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar &amp; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhou, Shi-Shun</mods:namePart>
<mods:affiliation>Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar &amp; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Jin, Xiao-Hua</mods:namePart>
<mods:affiliation>State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Pan, Bo</mods:namePart>
<mods:affiliation>Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Maung, Kyaw Win</mods:namePart>
<mods:affiliation>HponkanRazi Wildlife Sanctuary Offices, Putao, Myanmar</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zyaw, Myint</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ren</mods:namePart>
<mods:affiliation>Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar &amp; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Quan, Rui-Chang</mods:namePart>
<mods:affiliation>Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar &amp; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tan, Yun-Hong</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6238-2743</mods:nameIdentifier>
<mods:affiliation>Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar &amp; Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, China</mods:affiliation>
<mods:nameIdentifier type="email">tyh@xtbg.org.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2018</mods:date>
<mods:detail type="pubDate">
<mods:number>2018-01-29</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>94</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>31</mods:start>
<mods:end>38</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.94.21337</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.94.21337</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-94-31</mods:identifier>
<mods:identifier type="Pensoft-UUID">FFF43C0333416542013E6970FFD42E1D</mods:identifier>
<mods:identifier type="Zenodo-Dep">1166349</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="182225377" LSID="urn:lsid:plazi:treatment:171F13F860A954C48CD846FFFF8E27CA" httpUri="http://treatment.plazi.org/id/171F13F860A954C48CD846FFFF8E27CA" lastPageId="4" lastPageNumber="35" pageId="1" pageNumber="32">
<subSubSection pageId="1" pageNumber="32" type="nomenclature">
<paragraph pageId="1" pageNumber="32">
<taxonomicName LSID="171F13F8-60A9-54C4-8CD8-46FFFF8E27CA" authority="Q. Liu &amp; X. H. Jin" authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="1" pageNumber="32" phylum="Tracheophyta" rank="species" species="naungmungense" status="sp. nov.">Dendrobium naungmungense Q.Liu &amp; X.H.Jin</taxonomicName>
<taxonomicNameLabel pageId="1" pageNumber="32">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Dendrobium naungmungense. A Habitat B Plant C Flower D Lateral view of flower E Lateral view of labellum F Column wing G Front and lateral view of column H Abaxial and adaxial anther cap I Pollinarium J Sepals and petals K Front view of labellum. All from the type collection (Qiang Liu, 430) and drawn by Bo Pan." figureDoi="10.3897/phytokeys.94.21337.figure1" httpUri="https://binary.pensoft.net/fig/182158" pageId="1" pageNumber="32">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Dendrobium naungmungense. A Habitat B Plant C Flower D Lateral view of flower E Sepals and petals F Column G Front view of labellum H Lateral view of labellum J Abaxial and adaxial anther cap K Pollinarium I Column wing (Photographed by Q. Liu)." figureDoi="10.3897/phytokeys.94.21337.figure2" httpUri="https://binary.pensoft.net/fig/182159" pageId="1" pageNumber="32">, 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="32" type="diagnosis">
<paragraph pageId="1" pageNumber="32">Diagnosis.</paragraph>
<paragraph pageId="1" pageNumber="32">
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="1" pageNumber="32" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="1" pageNumber="32">Dendrobium naungmungense</emphasis>
</taxonomicName>
is similar to
<taxonomicName lsidName="D. vexabile" pageId="1" pageNumber="32" rank="species" species="vexabile">
<emphasis italics="true" pageId="1" pageNumber="32">D. vexabile</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="D. ciliatilabellum" pageId="1" pageNumber="32" rank="species" species="ciliatilabellum">
<emphasis italics="true" pageId="1" pageNumber="32">D. ciliatilabellum</emphasis>
</taxonomicName>
, but can be distinguished by the oblong epichile with three long-ciliate laminae and the margin crisped with hairs and the margin of column wing with significant denticulation.
</paragraph>
</subSubSection>
<subSubSection pageId="1" pageNumber="32" type="materials_examined">
<paragraph pageId="1" pageNumber="32">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="1" pageNumber="32">
<materialsCitation collectingDate="2017-04-08" country="MYANMAR" county="Putao County" elevation="550" location="Naungmung Town" specimenCount="1" stateProvince="Kachin State" typeStatus="Holotype">
<collectingCountry name="Myanmar">MYANMAR</collectingCountry>
.
<collectingRegion country="Myanmar" name="Kachin">Kachin State</collectingRegion>
.
<collectingCounty>Putao County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:171F13F860A954C48CD846FFFF8E27CA:9EA2F026BA47F7AA44B71A67B3AE16C3" country="MYANMAR" county="Putao County" name="Naungmung Town" stateProvince="Kachin State">Naungmung Town</location>
, tropical forest,
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="m" value="550.0" valueMax="600.0" valueMin="500.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="m" value="550.0" valueMax="600.0" valueMin="500.0">500-600 m</quantity>
a.s.l.
</elevation>
, epiphytic on the trunk of riparian trees,
<collectingDate value="2017-04-08">8 Apr 2017</collectingDate>
, Qiang Liu,
<emphasis italics="true" pageId="1" pageNumber="32">430</emphasis>
(
<typeStatus>Holotype</typeStatus>
, HITBC!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="33" type="description">
<paragraph pageId="2" pageNumber="33">
<pageBreakToken pageId="2" pageNumber="33" start="start">Description</pageBreakToken>
.
</paragraph>
<paragraph pageId="2" pageNumber="33">
Plant epiphytic, pendent, 30-50 cm long. Stems slender, branching from nodes, internodes covered by sheaths, yellowish, 1.4-2.8 cm long. Leaves anguste-ovate, acute to acuminate, entire, sessile, distichous, 3.0-4.2
<normalizedToken originalValue="×">x</normalizedToken>
4.0-5.5 mm. Inflorescence leaf-opposed, 1-2 flowered; peduncle short, sheathed at base, 0.7-0.9 cm long; sheaths membranous, overlapping, 2.5-3.0 mm long; floral bracts broadly lanceolate, three veined membranous, 3.0-4.5
<normalizedToken originalValue="×">x</normalizedToken>
2.0-2.5 mm. Flower fragrant, ca. 1.5 cm diameter when open, yellowish green, lip with sparsely purple stripe and spots. Dorsal sepals elliptic, 5-veined, 11.2-12.3
<normalizedToken originalValue="×">x</normalizedToken>
6.0-6.5 mm, acuminate; lateral sepals triangular, 5-veined, 12.0-13.5
<normalizedToken originalValue="×">x</normalizedToken>
8.0-8.5 mm, apex acuminate; mentum broad, ca. 3 mm. Petals lanceolate, 3-veined, 10.5-11.0
<normalizedToken originalValue="×">x</normalizedToken>
4.0-4.5 mm, acuminate. Lip 3-lobed with a short claw, obovate (when spread), 14.5-15.0
<normalizedToken originalValue="×">x</normalizedToken>
7.5-8.0 mm, lateral lobes elliptic, 6.0-6.5
<normalizedToken originalValue="×">x</normalizedToken>
2.6-3.1 mm, margin with hairs; mid-lobe oblong, 7.5-8.0
<normalizedToken originalValue="×">x</normalizedToken>
3.5-3.8 mm, margin crisped with hairs. A broad median band on the hypochile; disc with an ovoid cushion, three long-ciliate laminae extending from base to near apex of epichile. Column ca. 9.0 mm, stelidia falcate with significant denticulation. Operculum subglobose, with densely white crystalline papillate.
</paragraph>
<caption ID-Zenodo-Dep="1166694" doi="10.3897/phytokeys.94.21337.figure1" httpUri="https://binary.pensoft.net/fig/182158" pageId="2" pageNumber="33" start="Figure 1" startId="F1">
<paragraph pageId="2" pageNumber="33">
<emphasis bold="true" pageId="2" pageNumber="33">Figure 1.</emphasis>
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="2" pageNumber="33" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="2" pageNumber="33">Dendrobium naungmungense</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="2" pageNumber="33">A</emphasis>
Habitat
<emphasis bold="true" pageId="2" pageNumber="33">B</emphasis>
Plant
<emphasis bold="true" pageId="2" pageNumber="33">C</emphasis>
Flower
<emphasis bold="true" pageId="2" pageNumber="33">D</emphasis>
Lateral view of flower
<emphasis bold="true" pageId="2" pageNumber="33">E</emphasis>
Lateral view of labellum
<emphasis bold="true" pageId="2" pageNumber="33">F</emphasis>
Column wing
<emphasis bold="true" pageId="2" pageNumber="33">G</emphasis>
Front and lateral view of column
<emphasis bold="true" pageId="2" pageNumber="33">H</emphasis>
Abaxial and adaxial anther cap
<emphasis bold="true" pageId="2" pageNumber="33">I</emphasis>
Pollinarium
<emphasis bold="true" pageId="2" pageNumber="33">J</emphasis>
Sepals and petals
<emphasis bold="true" pageId="2" pageNumber="33">K</emphasis>
Front view of labellum. All from the type collection (Qiang Liu,
<emphasis italics="true" pageId="2" pageNumber="33">430</emphasis>
) and drawn by Bo Pan.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1166696" doi="10.3897/phytokeys.94.21337.figure2" httpUri="https://binary.pensoft.net/fig/182159" pageId="2" pageNumber="33" start="Figure 2" startId="F2">
<paragraph pageId="2" pageNumber="33">
<emphasis bold="true" pageId="2" pageNumber="33">Figure 2.</emphasis>
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="2" pageNumber="33" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="2" pageNumber="33">Dendrobium naungmungense</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="2" pageNumber="33">A</emphasis>
Habitat
<emphasis bold="true" pageId="2" pageNumber="33">B</emphasis>
Plant
<emphasis bold="true" pageId="2" pageNumber="33">C</emphasis>
Flower
<emphasis bold="true" pageId="2" pageNumber="33">D</emphasis>
Lateral view of flower
<emphasis bold="true" pageId="2" pageNumber="33">E</emphasis>
Sepals and petals
<emphasis bold="true" pageId="2" pageNumber="33">F</emphasis>
Column
<emphasis bold="true" pageId="2" pageNumber="33">G</emphasis>
Front view of labellum
<emphasis bold="true" pageId="2" pageNumber="33">H</emphasis>
Lateral view of labellum
<emphasis bold="true" pageId="2" pageNumber="33">J</emphasis>
Abaxial and adaxial anther cap
<emphasis bold="true" pageId="2" pageNumber="33">K</emphasis>
Pollinarium
<emphasis bold="true" pageId="2" pageNumber="33">I</emphasis>
Column wing (Photographed by Q. Liu).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1166698" doi="10.3897/phytokeys.94.21337.figure3" httpUri="https://binary.pensoft.net/fig/182160" pageId="2" pageNumber="33" start="Figure 3" startId="F3">
<paragraph pageId="2" pageNumber="33">
<emphasis bold="true" pageId="2" pageNumber="33">Figure 3.</emphasis>
<emphasis bold="true" pageId="2" pageNumber="33">A</emphasis>
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="2" pageNumber="33" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="2" pageNumber="33">Dendrobium naungmungense</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="2" pageNumber="33">A-1</emphasis>
Front view of flower
<emphasis bold="true" pageId="2" pageNumber="33">A-2</emphasis>
Lateral view of flower
<emphasis bold="true" pageId="2" pageNumber="33">A-3</emphasis>
Labellum
<emphasis bold="true" pageId="2" pageNumber="33">A-4</emphasis>
Front view of column
<emphasis bold="true" pageId="2" pageNumber="33">A-5</emphasis>
Lateral view of column
<emphasis bold="true" pageId="2" pageNumber="33">A-6</emphasis>
Column wing)
<emphasis bold="true" pageId="2" pageNumber="33">B</emphasis>
<taxonomicName class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium vexabile" order="Asparagales" pageId="2" pageNumber="33" phylum="Tracheophyta" rank="species" species="vexabile">
<emphasis italics="true" pageId="2" pageNumber="33">Dendrobium vexabile</emphasis>
</taxonomicName>
(
<emphasis bold="true" pageId="2" pageNumber="33">B-1</emphasis>
Front view of flower
<emphasis bold="true" pageId="2" pageNumber="33">B-2</emphasis>
Lateral view of flower
<emphasis bold="true" pageId="2" pageNumber="33">B-3</emphasis>
Labellum
<emphasis bold="true" pageId="2" pageNumber="33">B-4</emphasis>
Front view of column
<emphasis bold="true" pageId="2" pageNumber="33">B-5</emphasis>
Lateral view of column
<emphasis bold="true" pageId="2" pageNumber="33">B-6</emphasis>
Column wing) (Photographed by Q. Liu)
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="2" pageNumber="33" type="etymology">
<paragraph pageId="2" pageNumber="33">Etymology.</paragraph>
<paragraph pageId="2" pageNumber="33">The new species is named after Naungmung, Kachin State, North of Myanmar, where it was discovered in a vast area of tropical rainforest.</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="34" type="distribution">
<paragraph pageId="3" pageNumber="34">
<pageBreakToken pageId="3" pageNumber="34" start="start">Distribution</pageBreakToken>
and habitat.
</paragraph>
<paragraph pageId="3" pageNumber="34">
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="3" pageNumber="34" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="3" pageNumber="34">Dendrobium naungmungense</emphasis>
</taxonomicName>
is only known from the type locality. It is epiphytic on the trunk of riparian trees in tropical rainforest, which is dominated by
<taxonomicName class="Dicotyledoneae" family="Dipterocarpaceae" genus="Dipterocarpus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Dipterocarpus obtusifolius" order="Guttiferales" pageId="3" pageNumber="34" phylum="Angiospermae" rank="species" species="obtusifolius">
<emphasis italics="true" pageId="3" pageNumber="34">Dipterocarpus obtusifolius</emphasis>
</taxonomicName>
Teijsm. ex Miq. (
<taxonomicName class="Dicotyledoneae" family="Dipterocarpaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Guttiferales" pageId="3" pageNumber="34" phylum="Angiospermae" rank="family">Dipterocarpaceae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="34" type="materials_examined">
<paragraph pageId="3" pageNumber="34">
<typeStatus isOtherTypeStatus="true">Additional specimens examined</typeStatus>
(
<typeStatus>Paratype</typeStatus>
).
</paragraph>
<paragraph pageId="3" pageNumber="34">
<materialsCitation collectingDate="2017-04-08" collectingDateMax="2017-06-11" collectingDateMin="2017-04-08" collectorName="Hong Jiang, Qiang Liu" country="MYANMAR" county="Putao County" elevation="550" location="Naungmung Town" specimenCount="1" stateProvince="Kachin State">
<collectingCountry name="Myanmar">MYANMAR</collectingCountry>
.
<collectingRegion country="Myanmar" name="Kachin">Kachin State</collectingRegion>
.
<collectingCounty>Putao County</collectingCounty>
,
<location LSID="urn:lsid:plazi:treatment:171F13F860A954C48CD846FFFF8E27CA:3F452F5FF87FAEDEDEA1A3AC99E54F74" country="MYANMAR" county="Putao County" name="Naungmung Town" stateProvince="Kachin State">Naungmung Town</location>
, tropical forest,
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="m" value="550.0" valueMax="600.0" valueMin="500.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="m" value="550.0" valueMax="600.0" valueMin="500.0">500-600 m</quantity>
a.s.l.
</elevation>
, epiphyte on the trunk of riparian trees,
<collectingDate value="2017-06-11">11 Jun 2017</collectingDate>
,
<collectorName>Hong Jiang</collectorName>
&amp;
<collectorName>Qiang Liu</collectorName>
,
<emphasis italics="true" pageId="3" pageNumber="34">17017</emphasis>
(YAF!) and
<collectingDate value="2017-04-08">8 Apr 2017</collectingDate>
,
<collectorName>Qiang Liu</collectorName>
,
<emphasis italics="true" pageId="3" pageNumber="34">430</emphasis>
(HITBC!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="35" pageId="3" pageNumber="34" type="conservation status">
<paragraph pageId="3" pageNumber="34">Conservation status.</paragraph>
<paragraph lastPageId="4" lastPageNumber="35" pageId="3" pageNumber="34">
<taxonomicName authorityName="Q. Liu &amp; X. H. Jin" authorityYear="2018" class="Liliopsida" family="Orchidaceae" genus="Dendrobium" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrobium naungmungense" order="Asparagales" pageId="3" pageNumber="34" phylum="Tracheophyta" rank="species" species="naungmungense">
<emphasis italics="true" pageId="3" pageNumber="34">Dendrobium naungmungense</emphasis>
</taxonomicName>
was collected in Naungmung Town, Kachin State, Northern Myanmar. Until now, only one population, consisting of ca. 20 mature individuals, has been discovered in 3 years of continuous field investigations (2015-2017). In addition, population growth and human activities have led to serious habitat destruction and deforestation in this region. It is also illegally collected by local people due to the highly ornamental and medicinal values. Hence, according to IUCN Red List Categories and Criteria (
<bibRefCitation author="IUCN Standards and Petitions Subcommittee" journalOrPublisher="PhytoKeys" pageId="5" pageNumber="36" publicationUrl="http://www.iucnredlist.org/documents/RedList" refId="B4" refString="IUCN Standards and Petitions Subcommittee, 2017. Guidelines for Using the IUCN Red List Categories and Criteria. Version 13. Prepared by the Standards and Petitions Subcommittee. http://www.iucnredlist.org/documents/RedList" title="Guidelines for Using the IUCN Red List Categories and Criteria. Version 13. Prepared by the Standards and Petitions Subcommittee." url="http://www.iucnredlist.org/documents/RedList" year="2017">IUCN Standards and Petitions Subcommittee 2017</bibRefCitation>
),
<taxonomicName lsidName="D. naungmungense" pageId="3" pageNumber="34" rank="species" species="naungmungense">
<emphasis italics="true" pageId="3" pageNumber="34">D. naungmungense</emphasis>
</taxonomicName>
should be regarded as Critically Endangered (CR B1ab (iii, v) + 2ab (iii, v); D), which is the category for species facing the highest risk of extinction in the wild. It meets the IUCN criteria in having an extent of
<pageBreakToken pageId="4" pageNumber="35" start="start">occurrence</pageBreakToken>
&lt;100 km2, an area of occupancy &lt;10 km2, is known from a single location and with a continuing decline inferred from the number of mature individuals, a continuing decline in the quality of habitats and a population size of less than 50 mature individuals.
</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="35" type="key to d. naungmungense, d. vexabile and d. ciliatilabellum">
<paragraph pageId="4" pageNumber="35">
Key to
<taxonomicName lsidName="D. naungmungense" pageId="4" pageNumber="35" rank="species" species="naungmungense">
<emphasis italics="true" pageId="4" pageNumber="35">D. naungmungense</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="D. vexabile" pageId="4" pageNumber="35" rank="species" species="vexabile">
<emphasis italics="true" pageId="4" pageNumber="35">D. vexabile</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="D. ciliatilabellum" pageId="4" pageNumber="35" rank="species" species="ciliatilabellum">
<emphasis italics="true" pageId="4" pageNumber="35">D. ciliatilabellum</emphasis>
</taxonomicName>
</paragraph>
<paragraph pageId="4" pageNumber="35">
<table inLine="true" pageId="4" pageNumber="35">
<tr pageId="4" pageNumber="35">
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">1</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
Mentum (1
<normalizedToken originalValue="×">x</normalizedToken>
3 mm), epichile (7.5-8.0 mm) longer than hypochile (6.0-6.5 mm), oblong epichile with three ciliate laminae and margin crisped with dense hairs, column wing with significant denticulation
</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
<taxonomicName lsidName="D. naungmungense" pageId="4" pageNumber="35" rank="species" species="naungmungense">
<emphasis bold="true" italics="true" pageId="4" pageNumber="35">D. naungmungense</emphasis>
</taxonomicName>
</td>
</tr>
<tr pageId="4" pageNumber="35">
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">-</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
Mentum (2
<normalizedToken originalValue="×">x</normalizedToken>
1 mm), epichile (3.5-4 mm) significantly shorter than hypochile (9-10 mm), ovate epichile without ciliate laminae and margin crisped without hairs, column wing without denticulation
</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
<emphasis bold="true" pageId="4" pageNumber="35">2</emphasis>
</td>
</tr>
<tr pageId="4" pageNumber="35">
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">2</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
Mid-lobe (2
<normalizedToken originalValue="×">x</normalizedToken>
2 mm), disc of lip with densely long-ciliate lamina and un-deflexed epichile
</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
<taxonomicName lsidName="D. ciliatilabellum" pageId="4" pageNumber="35" rank="species" species="ciliatilabellum">
<emphasis bold="true" italics="true" pageId="4" pageNumber="35">D. ciliatilabellum</emphasis>
</taxonomicName>
</td>
</tr>
<tr pageId="4" pageNumber="35">
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">-</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
Mid-lobe (4
<normalizedToken originalValue="×">x</normalizedToken>
5 mm), disc of lip with sparsely ciliate lamina and de-flexed epichile
</td>
<td colspan="1" pageId="4" pageNumber="35" rowspan="1">
<taxonomicName lsidName="D. vexabile" pageId="4" pageNumber="35" rank="species" species="vexabile">
<emphasis bold="true" italics="true" pageId="4" pageNumber="35">D. vexabile</emphasis>
</taxonomicName>
</td>
</tr>
</table>
</paragraph>
</subSubSection>
</treatment>
</document>
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