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<document ID-CLB-Dataset="25844" ID-DOI="http://dx.doi.org/10.3897/phytokeys.130.33948" ID-GBIF-Dataset="b3b2c248-3450-4f32-b711-80213ec2cc8b" ID-PMC="PMC6728398" ID-Pensoft-Pub="1314-2003-130-143" ID-Pensoft-UUID="9966726FDD395C79BF375730D91483DE" ID-PubMed="31534402" ID-Zenodo-Dep="3387826" ModsDocID="1314-2003-130-143" checkinTime="1567102868098" checkinUser="pensoft" docAuthor="Wang, Ping-Yuan &amp; Li, De-Zhu" docDate="2019" docId="F3BE1D58F04C581785431BF243AD9DA1" docLanguage="en" docName="PhytoKeys 130: 143-150" docOrigin="PhytoKeys 130" docSource="http://dx.doi.org/10.3897/phytokeys.130.33948" docTitle="Dendrocalamus menghanensis P. Y. Wang &amp; D. Z. Li, sp. nov. &quot; 勐罕龙竹 &quot; (Meng Han Long Zhu" docType="treatment" docVersion="8" id="9966726FDD395C79BF375730D91483DE" lastPageNumber="143" masterDocId="9966726FDD395C79BF375730D91483DE" masterDocTitle="Dendrocalamus menghanensis (Poaceae, Bambusoideae), a new woody bamboo from Yunnan, China" masterLastPageNumber="150" masterPageNumber="143" pageNumber="143" updateTime="1732872874968" updateUser="ExternalLinkService">
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<mods:title id="90BE30E02D00D423AFC655169F77E15B">Dendrocalamus menghanensis (Poaceae, Bambusoideae), a new woody bamboo from Yunnan, China</mods:title>
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<mods:namePart id="AECD7588867BC7B96889C3B66F2A1AE7">Wang, Ping-Yuan</mods:namePart>
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<mods:namePart id="0B548D445B9441614850F770EDB2A45A">Li, De-Zhu</mods:namePart>
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<mods:date id="6EE69CCC21D8112B011980CDC1A37356">2019</mods:date>
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<mods:classification id="1EF25C5DBF6A4CF4A821A240A2F81EE8">journal article</mods:classification>
<mods:identifier id="BE541789A8CBC77E3BA7F9CC5DB51B25" type="DOI">http://dx.doi.org/10.3897/phytokeys.130.33948</mods:identifier>
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<treatment id="F3BE1D58F04C581785431BF243AD9DA1" ID-GBIF-Taxon="159319435" LSID="urn:lsid:plazi:treatment:F3BE1D58F04C581785431BF243AD9DA1" httpUri="http://treatment.plazi.org/id/F3BE1D58F04C581785431BF243AD9DA1" lastPageNumber="143" pageId="0" pageNumber="143" scope_family="Poaceae">
<subSubSection id="CA3B6BDC5F70FDF3C81A16B7B9BF1EF6" pageId="0" pageNumber="143" type="nomenclature">
<paragraph id="3985BC70BB63DA1222AF7F7E6CE1416B" pageId="0" pageNumber="143">
<taxonomicName id="28A5F697CE68659B05B96AD13759D393" ID-CoL="8XZJB" LSID="F3BE1D58-F04C-5817-8543-1BF243AD9DA1" authority="P. Y. Wang &amp; D. Z. Li, sp. nov. &quot; 勐罕龙竹 &quot; (Meng Han Long Zhu)" class="Liliopsida" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrocalamus menghanensis" order="Poales" pageId="0" pageNumber="143" phylum="Tracheophyta" rank="species" species="menghanensis">
Dendrocalamus menghanensis P.Y.Wang &amp; D.Z.Li, sp. nov.
<normalizedToken id="EAB837E6415BF254242A3B2921C8FF67" originalValue="“勐罕龙竹”">&quot;勐罕龙竹&quot;</normalizedToken>
(Meng Han Long Zhu)
</taxonomicName>
<figureCitation id="AD05BF9D5DF6476A21AF4EEF4176D9B6" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Dendrocalamus menghanensis P. Y. Wang &amp; D. Z. Li. A Culm sheath (abaxial view) B ultimate branchlet with leaves C portion of young culm with culm sheath D portion of flowering branch E pseudo-spikelet F pistil G stamen H glume I lemma J Palea. Drawn from the holotype." figureDoi="10.3897/phytokeys.130.33948.figure1" httpUri="https://binary.pensoft.net/fig/327885" pageId="0" pageNumber="143">Figures 1</figureCitation>
<figureCitation id="5E33EFE72B5E93ACD2555E096AD475C4" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Dendrocalamus menghanensis P. Y. Wang &amp; D. Z. Li. A Clump B portion of young culm with culm sheath C new shoot D flowering branches E glume F lemma G palea H floret I pistil J ovary." figureDoi="10.3897/phytokeys.130.33948.figure2" httpUri="https://binary.pensoft.net/fig/327886" pageId="0" pageNumber="143">, 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="A011A9FB45A4F7BDBAB4EB429054BB69" pageId="0" pageNumber="143" type="materials_examined">
<paragraph id="F2385DAB90E465EA5D78AF98C0CA7353" pageId="0" pageNumber="143">Type.</paragraph>
<paragraph id="547956453740F4E06BAB748EEDF5D723" pageId="0" pageNumber="143">
CHINA. Yunnan: Xishuangbanna, Menglun,
<geoCoordinate id="422F657ABD9584352FE8C0B8C3D12C77" degrees="21" direction="north" minutes="55.949" orientation="latitude" precision="1" value="21.932484">21°55.949'N</geoCoordinate>
,
<geoCoordinate id="5A3CDB53B375CAC06665976BA9DFA035" degrees="101" direction="east" minutes="15.139" orientation="longitude" precision="1" value="101.25232">101°15.139'E</geoCoordinate>
, 570 m alt., 18 November, 2010,
<emphasis id="A8FA5F4CC54FC9A79A0A2303E018D73B" italics="true" pageId="0" pageNumber="143">P.Y. Wang C130022</emphasis>
(holotype: HITBC!; isotype: KUN!).
</paragraph>
</subSubSection>
<subSubSection id="6612B6498D37323A38DAA06DA30C70A8" pageId="0" pageNumber="143" type="diagnosis">
<paragraph id="F5FBC83610FEC3ED697AC3C948814676" pageId="0" pageNumber="143">Diagnosis.</paragraph>
<paragraph id="5479C5D110B45634910EC900785D8A56" pageId="0" pageNumber="143">
<taxonomicName id="F26EE3FC564955BD48976A73CDC2BD61" class="Liliopsida" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrocalamus menghanensis" order="Poales" pageId="0" pageNumber="143" phylum="Tracheophyta" rank="species" species="menghanensis">
<emphasis id="AFA58BD20A61D7D3995283B946EDEB56" italics="true" pageId="0" pageNumber="143">Dendrocalamus menghanensis</emphasis>
</taxonomicName>
is morphologically similar to
<taxonomicName id="8EDFF9B017801CC7FB8A054A996F37DF" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="D. semiscandens" order="Poales" pageId="0" pageNumber="143" phylum="Angiospermae" rank="species" species="semiscandens">
<emphasis id="55CAEE879C86317DDCE1A71E8309DC0E" italics="true" pageId="0" pageNumber="143">D. semiscandens</emphasis>
</taxonomicName>
and
<taxonomicName id="DA173B554694A37F19574E2823D54000" class="Magnoliopsida" family="Poaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="D. birmanicus" order="Poales" pageId="0" pageNumber="143" phylum="Angiospermae" rank="species" species="birmanicus">
<emphasis id="DBEA33958142968B3A98AFE20E41F602" italics="true" pageId="0" pageNumber="143">D. birmanicus</emphasis>
</taxonomicName>
, but can be easily distinguished from them by having a reflexed culm sheath blade, 10 mm high culm sheath ligule, 1 mm high leaf sheath ligule, 4 florets and 1 glume.
</paragraph>
<caption id="0489D00AB2C0878ED6BEEE80F775BC3C" ID-Zenodo-Dep="3487731" doi="10.3897/phytokeys.130.33948.figure1" httpUri="https://binary.pensoft.net/fig/327885" pageId="0" pageNumber="143" start="Figure 1" startId="F1">
<paragraph id="6A63FDD3699E241E6085B4EA2CA5677D" pageId="0" pageNumber="143">
<emphasis id="C04A1515B77D50EAF9AE528B2E79E33D" bold="true" pageId="0" pageNumber="143">Figure 1.</emphasis>
<taxonomicName id="C24B155D1CEEF239D041A935744A13B6" class="Liliopsida" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrocalamus menghanensis" order="Poales" pageId="0" pageNumber="143" phylum="Tracheophyta" rank="species" species="menghanensis">
<emphasis id="E3129DD751ADAC88436E2C5319F6A9F0" italics="true" pageId="0" pageNumber="143">Dendrocalamus menghanensis</emphasis>
</taxonomicName>
P.Y. Wang &amp; D.Z. Li.
<emphasis id="D94AAE4BA00DB53F05D13C0FCC52394C" bold="true" pageId="0" pageNumber="143">A</emphasis>
Culm sheath (abaxial view)
<emphasis id="F159D18092DA0DBBE31AD68A21BE13EB" bold="true" pageId="0" pageNumber="143">B</emphasis>
ultimate branchlet with leaves
<emphasis id="A7C3BCF52FA3D213437D481E8BEDCD9F" bold="true" pageId="0" pageNumber="143">C</emphasis>
portion of young culm with culm sheath
<emphasis id="4F439475B51AE6E0FF299E42D8D0E610" bold="true" pageId="0" pageNumber="143">D</emphasis>
portion of flowering branch
<emphasis id="12A47D6DE709EFC003DCC93BFC10E53D" bold="true" pageId="0" pageNumber="143">E</emphasis>
pseudo-spikelet
<emphasis id="A4B887646B90330B014F1DF6747FC60E" bold="true" pageId="0" pageNumber="143">F</emphasis>
pistil
<emphasis id="34812B36D9B2BE1CCE42226FB8D48C30" bold="true" pageId="0" pageNumber="143">G</emphasis>
stamen
<emphasis id="40BB94C067F8F2255B05217A7D1C6B5E" bold="true" pageId="0" pageNumber="143">H</emphasis>
glume
<emphasis id="534AEEED7936DFEF079A0AFFA57FC885" bold="true" pageId="0" pageNumber="143">I</emphasis>
lemma
<emphasis id="824036513CB99EDE1CBDF5FDE65E4753" bold="true" pageId="0" pageNumber="143">J</emphasis>
Palea. Drawn from the holotype.
</paragraph>
</caption>
<caption id="D178AAD5366C1A29F88031DF64CE091B" ID-Zenodo-Dep="3487733" doi="10.3897/phytokeys.130.33948.figure2" httpUri="https://binary.pensoft.net/fig/327886" pageId="0" pageNumber="143" start="Figure 2" startId="F2">
<paragraph id="3501D513CABAA51B384434FE26043C3B" pageId="0" pageNumber="143">
<emphasis id="0AA94727AF67385DEEA81EE14BDF7533" bold="true" pageId="0" pageNumber="143">Figure 2.</emphasis>
<taxonomicName id="0F6736AB08698B83617B70FE82F495E2" class="Liliopsida" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrocalamus menghanensis" order="Poales" pageId="0" pageNumber="143" phylum="Tracheophyta" rank="species" species="menghanensis">
<emphasis id="01CD385FD93905C3CB2FDE60BF361D4E" italics="true" pageId="0" pageNumber="143">Dendrocalamus menghanensis</emphasis>
</taxonomicName>
P.Y.Wang &amp; D.Z.Li.
<emphasis id="45E0126E9817FECB0932988F72F8B4C8" bold="true" pageId="0" pageNumber="143">A</emphasis>
Clump
<emphasis id="2D3C9F61DAAC40A6377247C193CD9ABE" bold="true" pageId="0" pageNumber="143">B</emphasis>
portion of young culm with culm sheath
<emphasis id="4A5FB1E26F315C14AFF662D8597EBEDF" bold="true" pageId="0" pageNumber="143">C</emphasis>
new shoot
<emphasis id="F33C8B1A8BC5F88D295983C3ED8790F3" bold="true" pageId="0" pageNumber="143">D</emphasis>
flowering branches
<emphasis id="0C136B0A207990ABC2086A3E13A4E7CD" bold="true" pageId="0" pageNumber="143">E</emphasis>
glume
<emphasis id="19614C5AF40F2C1418F6950BA98FCCA3" bold="true" pageId="0" pageNumber="143">F</emphasis>
lemma
<emphasis id="FF9DF00004A2881B828E50D94AAB61D4" bold="true" pageId="0" pageNumber="143">G</emphasis>
palea
<emphasis id="9FF3707ECF0B7B1302BEFDB2DCFB2F3E" bold="true" pageId="0" pageNumber="143">H</emphasis>
floret
<emphasis id="6E8B18A1EEFA1C9F363ED3F2501C8083" bold="true" pageId="0" pageNumber="143">I</emphasis>
pistil
<emphasis id="740505EF012A837BBE62C22F822AEBE9" bold="true" pageId="0" pageNumber="143">J</emphasis>
ovary.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="E9233340D01EB77E1415159011AF8AA2" pageId="0" pageNumber="143" type="description">
<paragraph id="C0F0E42D9B41CCE1DFD87E6EDF13E5BD" pageId="0" pageNumber="143">Description.</paragraph>
<paragraph id="02C00E49B76DFC0315E2AB5223311CFF" pageId="0" pageNumber="143">
Arborescent bamboo, perennials; rhizomes pachymorph, short necked. Culms apically pendulous, 8-12 m tall, 4-8 cm in diam.; culms terete, with a ring of white tomenta below sheath scars, internodes 20-40 cm long, wall 1-3.5 cm thick and almost solid at the base of culms; culm surface initially densely covered with white hairs and becoming glabrous later; culm sheaths deciduous, thickly leathery, 1/2 as long as the internodes, covered with dense brownish-black hairs, pale green initially, later becoming yellowish-brown with age; blades lanceolate, reflexed; auricles small inconspicuously lobed, oral setae absent; ligules ca. 10 mm high, dentate. Branching from lower nodes ca. 0.5-1.0 m above ground, branches several, usually subequal, sometimes 1 dominant; ultimate branchlets with 10-16 leaves, usually 12 leaves. Foliage leaves lanceolate, 11-30(-35) cm
<normalizedToken id="025CE24DF1AAC495C68072CACCD8039E" originalValue="×">x</normalizedToken>
2-4.5(-6) cm, adaxial surface green and glabrous, abaxial surface pale green and pubescent, margins serrulate, secondary veins 7-11 pairs, usually 10 pairs, petioles 2-5 mm; leaf sheaths initially white hairy and later glabrous; auricles inconspicuous, ligules ca. 1 mm high, entire. Flowering branches pendulous, leafless, with clusters of 3 to 15(-60) pseudo-spikelets at each node; clusters 1-3.5 cm in diam.; pseudo-spikelets ovate-lanceolate, pale green, apically acute and light purple, 12-16
<normalizedToken id="C3FA962104DA4A801381E399773E5103" originalValue="×">x</normalizedToken>
3-4 mm; fertile florets usually 4 per pseudo-spikelet; glumes 1, broadly ovate, 5-7
<normalizedToken id="1E4F28C6BBB19E84937C008A2F137266" originalValue="×">x</normalizedToken>
4-6 mm, margins ciliate at upper half; lemma ovate, 8-12
<normalizedToken id="ABFD2DBEDCCEF524287B6A1AE483C10C" originalValue="×">x</normalizedToken>
4-7 mm, pubescent, many-veined, apex mucronate, margins ciliate; palea oblanceolate, 2-keeled, 7-11
<normalizedToken id="A0F0DE5A81E600442659180B6AF3869D" originalValue="×">x</normalizedToken>
1-2 mm, keels and margins long ciliate; lodicules absent; stamens 6, ca. 6 mm long, ovary ovoid, pistil ca. 16 mm long, anthers yellow, filaments free, ca. 14 mm long; stigma 1, purple, plumose. Fruit unknown.
</paragraph>
</subSubSection>
<subSubSection id="CADC4959DF2AEF2E1EB024A14BFA5766" pageId="0" pageNumber="143" type="distribution">
<paragraph id="25C803F448236E2545AC4B8443571F21" pageId="0" pageNumber="143">Distribution.</paragraph>
<paragraph id="BF5C364AFAA4057480BD5EE25FA5E52B" pageId="0" pageNumber="143">
<taxonomicName id="291E32216D5BBDE6C515CC88C5F97A52" class="Liliopsida" family="Poaceae" genus="Dendrocalamus" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dendrocalamus menghangensis" order="Poales" pageId="0" pageNumber="143" phylum="Tracheophyta" rank="species" species="menghangensis">
<emphasis id="8C3290F8F72D45CC64DE317D00898AE3" italics="true" pageId="0" pageNumber="143">Dendrocalamus menghangensis</emphasis>
</taxonomicName>
is only known from Menghan Township, Jinghong, Yunnan, China.
</paragraph>
</subSubSection>
<subSubSection id="9426EDB274617D109452BA59BE8F9C04" pageId="0" pageNumber="143" type="conservation status">
<paragraph id="2C7C0497EBB12182FB9A044FBCE1D324" pageId="0" pageNumber="143">Conservation status.</paragraph>
<paragraph id="3859BDD9CF34429A8AF0AE171918F174" pageId="0" pageNumber="143">
As a great many forests have been destroyed by local people in the last 30 years, we did not find the new species at the locality where it was introduced. Further investigation is required to find more distribution localities and determine the conservation status of the new species. At present, we consider it as DD (Deficient Data) according to the IUCN parameters (
<bibRefCitation id="ED64066567B84464D5D1387911040C92" author="IUCN" journalOrPublisher="IUCN Species Survival Commission, IUCN, Gland and Cambridge" pageId="0" pageNumber="143" refId="B11" refString="IUCN, 2012. IUCN Red List categories and criteria: version 3.1. Second edition. IUCN Species Survival Commission, IUCN, Gland and Cambridge" title="IUCN Red List categories and criteria: version 3.1. Second edition." year="2012">IUCN 2012</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="665F30BE2A48A88850EB64E6BD58F40B" pageId="0" pageNumber="143" type="etymology">
<paragraph id="1F1AD93F6655F4CC4AB50137655E1379" pageId="0" pageNumber="143">Etymology.</paragraph>
<paragraph id="043B3BA3E115CBF73ED3F90AEC57C640" pageId="0" pageNumber="143">The specific epithet refers to the original place of the new species, i.e. Menghan Town, Xishuangbanna, south Yunnan, China.</paragraph>
</subSubSection>
<subSubSection id="FF0BF688E1DCD205761682840EF003FE" pageId="0" pageNumber="143" type="phenology">
<paragraph id="F2D85DD62286530D86436490CA8D4F16" pageId="0" pageNumber="143">Phenology.</paragraph>
<paragraph id="968FE946AE2A8A3CCDE644EA1333D8F5" pageId="0" pageNumber="143">Shooting from July to October and flowering from December to May of the next year.</paragraph>
</subSubSection>
<subSubSection id="72990079F7B6D4BB79E2A489F056E1F4" pageId="0" pageNumber="143" type="materials_examined">
<paragraph id="9029624B59241279FB82B13A33EA7501" pageId="0" pageNumber="143">Additional specimens examined (paratype).</paragraph>
<paragraph id="1480A95BBB68F52017365B82425AC15B" pageId="0" pageNumber="143">
CHINA. Yunnan, Xishuangbanna, Menglun,
<geoCoordinate id="95958AFD65D42ADE77EE8DD775F1C9FF" degrees="21" direction="north" minutes="55.949" orientation="latitude" precision="1" value="21.932484">21°55.949'N</geoCoordinate>
,
<geoCoordinate id="600D11E784A46F9AC59F2E53E6B8D8C7" degrees="101" direction="east" minutes="15.139" orientation="longitude" precision="1" value="101.25232">101°15.139'E</geoCoordinate>
, 570 m alt., 7 December, 2010,
<emphasis id="84EFC9CE972BA799EF4E4C4BF6EAFD7F" italics="true" pageId="0" pageNumber="143">P.Y. Wang</emphasis>
C130051 (paratype: HITBC!, KUN!)
</paragraph>
</subSubSection>
</treatment>
</document>