344 lines
39 KiB
XML
344 lines
39 KiB
XML
<document id="F2D3F41BC2485DD08C6C16CC45185F5A" ID-CLB-Dataset="305722" ID-DOI="10.11646/phytotaxa.257.2.8" ID-GBIF-Dataset="0446ddbb-0818-4587-b003-d0bdb1ac8a32" ID-ISSN="1179-3163" ID-Zenodo-Dep="13674598" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="guilherme" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1725404281231" checkinUser="felipe" docAuthor="Tien, Chinh Vu, Xia, Nianhe, Wong, Khoon Meng, Van, Duy Nong, Toan, Phan Nguyen Huu, Nguyen, Hoang Nghia & Tran, Van Tien" docDate="2016" docId="03B3956DFFC8FFFDFF150496C3AB455B" docLanguage="en" docName="phytotaxa.257.2.8.pdf" docOrigin="Phytotaxa 257 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.257.2.8" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Schizostachyum langbianense V. T. Tran, N. H. Xia & H. N. Nguyen 2016, sp. nov." docType="treatment" docVersion="4" lastPageNumber="185" masterDocId="FF8AED15FFC9FFF9FF9D0640C1384D41" masterDocTitle="Schizostachyum langbianense, a new species of bamboo (Poaceae: Bambusoideae) from Lang Bian Mountain, Vietnam" masterLastPageNumber="186" masterPageNumber="181" pageNumber="182" updateTime="1732945789317" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="97D9C0E502CA4DD4E79BCF6E5D918DB3">Schizostachyum langbianense, a new species of bamboo (Poaceae: Bambusoideae) from Lang Bian Mountain, Vietnam</mods:title>
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<mods:namePart id="8347AA17992B59BCD55ABE174AEB4D87">Tien, Chinh Vu</mods:namePart>
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<mods:affiliation id="82698070D21BC2897BAB81666F31A1FF">The Graduate University of the Chinese Academy of Science, 19 A Yuquanlu, Beijing, 100049, China;</mods:affiliation>
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<mods:namePart id="152ECB602C255E3CD8A79A420CA13800">Xia, Nianhe</mods:namePart>
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<mods:namePart id="B4F99A595D0D12FEACAF7C20B601B67C">Wong, Khoon Meng</mods:namePart>
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<mods:namePart id="DC198100AD3B16D282EF60B25A1C2178">Van, Duy Nong</mods:namePart>
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<mods:namePart id="589D60FED86341088F8C22014D8F1881">Toan, Phan Nguyen Huu</mods:namePart>
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<mods:namePart id="C29F438075DB548F0089EA0B9EBD341E">Nguyen, Hoang Nghia</mods:namePart>
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<mods:namePart id="DF921BBD95F8DB450BB25B6BEECE0442">Tran, Van Tien</mods:namePart>
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<mods:typeOfResource id="DDA2E17748917A863B51FFC19E05954A">text</mods:typeOfResource>
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<mods:title id="728AF273146512483988B2F54FA62FC0">Phytotaxa</mods:title>
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<mods:date id="CBBF474F08A3DA53F7BC357BA418E4A1">2016</mods:date>
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<mods:number id="F982FA6C1F82674E6D2A625BA6DF34B9">2016-04-18</mods:number>
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<mods:number id="7BD5CEEB46BF8C807DCD51E603F1810C">257</mods:number>
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<mods:url id="5B1513F22AEE36023954378FAAA3391F">http://dx.doi.org/10.11646/phytotaxa.257.2.8</mods:url>
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<treatment id="03B3956DFFC8FFFDFF150496C3AB455B" ID-GBIF-Taxon="248104168" LSID="urn:lsid:plazi:treatment:03B3956DFFC8FFFDFF150496C3AB455B" httpUri="http://treatment.plazi.org/id/03B3956DFFC8FFFDFF150496C3AB455B" lastPageId="4" lastPageNumber="185" pageId="1" pageNumber="182" scope_family="Poaceae">
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<subSubSection id="C30077F0FFC8FFF8FF150496C5624FAE" box="[136,1114,726,751]" pageId="1" pageNumber="182" type="nomenclature">
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<taxonomicName id="4C1A5FF8FFC8FFF8FF150496C24E4FAE" ID-CoL="79WYK" authority="V.T. Tran, N.H. Xia & H.N. Nguyen" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[136,886,726,751]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="1" pageNumber="182" phylum="Tracheophyta" rank="species" species="langbianense" status="sp. nov.">
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<emphasis id="B96EF869FFC8FFF8FF150496C0EF4FAE" box="[136,471,726,751]" italics="true" pageId="1" pageNumber="182">Schizostachyum langbianense</emphasis>
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V.T. Tran, N.H. Xia & H.N. Nguyen
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</taxonomicName>
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,
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<emphasis id="B96EF869FFC8FFF8FC1C0496C2E84FAE" box="[897,976,726,751]" italics="true" pageId="1" pageNumber="182">sp. nov</emphasis>
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.
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</taxonomicNameLabel>
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(
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<figureCitation id="132138FEFFC8FFF8FC7A0496C50C4FAE" box="[999,1076,726,751]" captionStart="FIGURE 1" captionStartId="2.[136,229,1878,1899]" captionTargetBox="[247,1356,195,1848]" captionTargetId="figure-16@2.[228,1359,190,1853]" captionTargetPageId="2" captionText="FIGURE 1. Schizostachyum langbianense. A. Culm leaf showing reflexed blade. B. Apical portions of culm leaves with blade in natural reflexed position (left) and upturned (right). C. Nodal section of the culm showing the single bud. D. Nodal section of the mid-culm, showing subequal branches in young developing branch complement. E. Branch leaf complement. F. Part of branch leaf complement, showing pseudopetiole and ligule. G. Synflorescence including a developing fruit with persistent style and stigmas. H. Floret with exsert staminal complement. I. Floret, showing prophyll (lowermost structure), distally with 2 bracts, then a lemma and palea. J. Lodicules. Drawn by Tran Van Tien from V.T. Tran & N.H. Nghia 460 (VAFS!)." figureDoi="http://doi.org/10.5281/zenodo.13674600" httpUri="https://zenodo.org/record/13674600/files/figure.png" pageId="1" pageNumber="182">Figs. 1</figureCitation>
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,
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<figureCitation id="132138FEFFC8FFF8FBDF0496C5694FAE" box="[1090,1105,726,751]" captionStart="FIGURE 2" captionStartId="3.[136,229,1878,1899]" captionTargetBox="[228,1359,190,1853]" captionTargetId="figure-14@3.[228,1359,190,1853]" captionTargetPageId="3" captionText="FIGURE 2. Schizostachyum langbianense.A. Habitat.B. Clump base.C. Culm leaves showing erect blade (left), and reflexed blade (right). D. Upper or apical portion of culm leaf sheath proper. E. Nodal section of the culm, showing subequal branches in young complement. F. Nodal section of the culm showing the single bud. G. Branch leaf complement. H. Synflorescence showing pseudospikelets, and a detached floret. I. Prophyll (basal-most structure (Pr), and distally 2 bracts (Br), a lemma (L) and palea (Pl). J. Floret with staminal complement. K. Lemma. L. Dorsal view of palea with a furrow. M. Lodicules (Ld) and stamens (St). N. Purplish plumose stigmas (St) exsert from the tip of a floret. Photos by Tran Van Tien." figureDoi="http://doi.org/10.5281/zenodo.13674602" httpUri="https://zenodo.org/record/13674602/files/figure.png" pageId="1" pageNumber="182">2</figureCitation>
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)
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TYPE:—
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<materialsCitation id="3B722E26FFC8FFF8FF7F0560C3FF4E18" ID-GBIF-Occurrence="4986926304" collectingDate="2008-10-11" collectionCode="VAFS" collectorName="V. T. Tran & N. H. Nghia" country="Vietnam" elevation="1879" location="Lang Bian mountain" municipality="Lac Duong District" pageId="1" pageNumber="182" specimenCount="1" stateProvince="Lam Dong Province" typeStatus="holotype">
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<collectingCountry id="F30D64EBFFC8FFF8FF7F0560C06C4E74" box="[226,340,800,821]" name="Vietnam" pageId="1" pageNumber="182">VIETNAM</collectingCountry>
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.
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<collectingRegion id="49DEEA99FFC8FFF8FEC20560C3104E74" box="[351,552,800,821]" country="Vietnam" name="Lam Dong" pageId="1" pageNumber="182">Lam Dong Province</collectingRegion>
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:
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<collectingMunicipality id="6BC1BE01FFC8FFF8FDAF0560C3C94E74" box="[562,753,800,821]" pageId="1" pageNumber="182">Lac Duong District</collectingMunicipality>
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,
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<location id="8EC572A0FFC8FFF8FD660560C2FD4E74" LSID="urn:lsid:plazi:treatment:03B3956DFFC8FFFDFF150496C3AB455B:8EC572A0FFC8FFF8FD660560C2FD4E74" box="[763,965,800,821]" country="Vietnam" municipality="Lac Duong District" name="Lang Bian mountain" pageId="1" pageNumber="182" stateProvince="Lam Dong Province">Lang Bian mountain</location>
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654
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278
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, alt.
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<date id="FFA402BBFFC8FFF8FADD0560C1D74E18" pageId="1" pageNumber="182" value="2008-10-11">
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<collectingDate id="EFE0FB53FFC8FFF8FADD0560C1D74E18" pageId="1" pageNumber="182" value="2008-10-11">11 October 2008</collectingDate>
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<emphasis id="B96EF869FFC8FFF8FF640504C33F4E18" box="[249,519,836,857]" italics="true" pageId="1" pageNumber="182">
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<collectorName id="26EF41ADFFC8FFF8FF640504C0684E18" box="[249,336,836,857]" pageId="1" pageNumber="182">V.T. Tran</collectorName>
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&
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<collectorName id="26EF41ADFFC8FFF8FEF20504C0E54E18" box="[367,477,836,857]" pageId="1" pageNumber="182">N.H. Nghia</collectorName>
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460
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</emphasis>
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(
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:
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<collectionCode id="ED0BBCBEFFC8FFF8FD1C0504C3FB4E18" box="[641,707,836,857]" collectionName="VAFS" pageId="1" pageNumber="182">VAFS</collectionCode>
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!
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</materialsCitation>
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;
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<materialsCitation id="3B722E26FFC8FFF8FD4D0504C25F4E18" ID-GBIF-Occurrence="4986926302" box="[720,871,836,857]" collectingDate="2008-10-11" collectionCode="DLU" collectorName="V. T. Tran & N. H. Nghia" country="Vietnam" elevation="1879" location="Lang Bian mountain" municipality="Lac Duong District" pageId="1" pageNumber="182" specimenCount="1" stateProvince="Lam Dong Province" typeStatus="isotype">
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<typeStatus id="54A19AD9FFC8FFF8FD4D0504C21A4E18" box="[720,802,836,857]" pageId="1" pageNumber="182" type="isotype">isotypes</typeStatus>
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:
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<collectionCode id="ED0BBCBEFFC8FFF8FCB60504C25B4E18" box="[811,867,836,857]" collectionName="DLU" pageId="1" pageNumber="182">DLU</collectionCode>
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!
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</materialsCitation>
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,
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<materialsCitation id="3B722E26FFC8FFF8FCED0504C2894E18" ID-GBIF-Occurrence="4986926301" box="[880,945,836,857]" collectingDate="2008-10-11" collectionCode="IBSC" collectorName="V. T. Tran & N. H. Nghia" country="Vietnam" elevation="1879" location="Lang Bian mountain" municipality="Lac Duong District" pageId="1" pageNumber="182" specimenCount="1" stateProvince="Lam Dong Province" typeStatus="isotype">
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<collectionCode id="ED0BBCBEFFC8FFF8FCED0504C2944E18" box="[880,940,836,857]" collectionName="IBSC" pageId="1" pageNumber="182">IBSC</collectionCode>
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!
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</materialsCitation>
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,
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<materialsCitation id="3B722E26FFC8FFF8FC270504C2C64E18" ID-GBIF-Occurrence="4986926303" box="[954,1022,836,857]" collectingDate="2008-10-11" collectionCode="SING" collectorName="V. T. Tran & N. H. Nghia" country="Vietnam" elevation="1879" location="Lang Bian mountain" municipality="Lac Duong District" pageId="1" pageNumber="182" specimenCount="1" stateProvince="Lam Dong Province" typeStatus="isotype">
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<collectionCode id="ED0BBCBEFFC8FFF8FC270504C2C24E18" box="[954,1018,836,857]" collectionName="SING" pageId="1" pageNumber="182">SING</collectionCode>
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!
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</materialsCitation>
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).
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</paragraph>
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</subSubSection>
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<subSubSection id="C30077F0FFC8FFF8FF1505CAC0F4494E" pageId="1" pageNumber="182" type="diagnosis">
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<paragraph id="8BA5247BFFC8FFF8FF1505CAC0F4494E" blockId="1.[136,1452,906,1975]" pageId="1" pageNumber="182">
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||
It is similar to
|
||
<taxonomicName id="4C1A5FF8FFC8FFF8FEAC05CAC3AF4EE2" box="[305,663,906,931]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="1" pageNumber="182" phylum="Tracheophyta" rank="species" species="ninhthuanense">
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||
<emphasis id="B96EF869FFC8FFF8FEAC05CAC3AF4EE2" box="[305,663,906,931]" italics="true" pageId="1" pageNumber="182">Schizostachyum ninhthuanense</emphasis>
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</taxonomicName>
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in having pseudospikelets with a few spikelets clustered on the short ultimate branchlets, but differs in having culm leaves where the apical portion of the sheath proper is horizontal or only slightly concave, culm leaf blades that are narrowly lanceolate, a palea apex which is not bifid and with the dorsal side furrowed between two keels.
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||
</paragraph>
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</subSubSection>
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<subSubSection id="C30077F0FFC8FFF8FF20025AC0D04BFA" pageId="1" pageNumber="182" type="description">
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<paragraph id="8BA5247BFFC8FFF8FF20025AC0D04BFA" blockId="1.[136,1452,906,1975]" pageId="1" pageNumber="182">
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||
Rhizome pachymorph. Culms erect,
|
||
<quantity id="4CE2899EFFC8FFF8FDCE025AC3A14972" box="[595,665,1050,1075]" metricMagnitude="0" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="1" pageNumber="182" unit="m" value="6.0" valueMax="8.0" valueMin="4.0">4–8 m</quantity>
|
||
tall,
|
||
<quantity id="4CE2899EFFC8FFF8FD52025AC2194972" box="[719,801,1050,1075]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="1" pageNumber="182" unit="cm" value="3.0" valueMax="4.0" valueMin="2.0">2–4 cm</quantity>
|
||
diameter; internodes terete, straight,
|
||
<quantity id="4CE2899EFFC8FFF8FB20025AC4124972" box="[1213,1322,1050,1075]" metricMagnitude="-1" metricUnit="m" metricValue="5.75" metricValueMax="6.0" metricValueMin="5.5" pageId="1" pageNumber="182" unit="cm" value="57.5" valueMax="60.0" valueMin="55.0">55–60 cm</quantity>
|
||
long, when young covered with sparse soft hairs; wall
|
||
<quantity id="4CE2899EFFC8FFF8FDE8027EC3CC4916" box="[629,756,1086,1111]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="1" pageNumber="182" unit="cm" value="0.25" valueMax="0.3" valueMin="0.2">0.2–0.3 cm</quantity>
|
||
thick; nodes swollen, with a ring of white powder c.
|
||
<quantity id="4CE2899EFFC8FFF8FAC0027EC4934916" box="[1373,1451,1086,1111]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="1" pageNumber="182" unit="cm" value="0.5">0.5 cm</quantity>
|
||
broad below each node. Branches numerous at each mid-culm node, slender, subequal. Culm leaves oblong, densely covered with hairs on the outer surface at its base, 23–24 x
|
||
<quantity id="4CE2899EFFC8FFF8FCBF02C6C24149DE" box="[802,889,1158,1183]" metricMagnitude="-2" metricUnit="m" metricValue="7.5" metricValueMax="8.0" metricValueMin="7.0" pageId="1" pageNumber="182" unit="cm" value="7.5" valueMax="8.0" valueMin="7.0">7–8 cm</quantity>
|
||
; apical portion of sheath proper horizontal or only slightly concave; blade narrowly lanceolate, 8–14 x
|
||
<quantity id="4CE2899EFFC8FFF8FD4002EAC2674982" box="[733,863,1194,1219]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="8.0" metricValueMin="7.0" pageId="1" pageNumber="182" unit="cm" value="0.75" valueMax="0.8" valueMin="0.7">0.7–0.8 cm</quantity>
|
||
, erect at first, then becoming reflexed; auricles low rims ca.
|
||
<quantity id="4CE2899EFFC8FFF8FF74028EC00E49A6" box="[233,310,1230,1255]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="182" unit="cm" value="0.1">0.1 cm</quantity>
|
||
long, with 4–5 slender bristles ca.
|
||
<quantity id="4CE2899EFFC8FFF8FD5F028EC23749A6" box="[706,783,1230,1255]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="1" pageNumber="182" unit="cm" value="0.4">0.4 cm</quantity>
|
||
long; ligule horizontal or subtruncate, short,
|
||
<quantity id="4CE2899EFFC8FFF8FA93028EC45449A6" box="[1294,1388,1230,1255]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="1" pageNumber="182" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1–2 mm</quantity>
|
||
long, with fimbriae
|
||
<quantity id="4CE2899EFFC8FFF8FEB102B2C0B4484A" box="[300,396,1266,1291]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="1" pageNumber="182" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">2–4 mm</quantity>
|
||
long. Foliage leaves 4–5 per complement; sheaths often sparsely covered with white hairs; auricles inconspicuous, oral setae numerous,
|
||
<quantity id="4CE2899EFFC8FFF8FD1D0356C3E4486E" box="[640,732,1302,1327]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="1" pageNumber="182" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">2–4 mm</quantity>
|
||
long; ligule ca.
|
||
<quantity id="4CE2899EFFC8FFF8FC120356C2E2486E" box="[911,986,1302,1327]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="182" unit="cm" value="0.1">0.1 cm</quantity>
|
||
long; petiole ca.
|
||
<quantity id="4CE2899EFFC8FFF8FB070356C5DE486E" box="[1178,1254,1302,1327]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" pageId="1" pageNumber="182" unit="cm" value="0.3">0.3 cm</quantity>
|
||
long, ca.
|
||
<quantity id="4CE2899EFFC8FFF8FACF0356C493486E" box="[1362,1451,1302,1327]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="1" pageNumber="182" unit="cm" value="0.15">0.15 cm</quantity>
|
||
thick; blades 20–22 x
|
||
<quantity id="4CE2899EFFC8FFF8FEE6037AC0C24812" box="[379,506,1338,1363]" metricMagnitude="-2" metricUnit="m" metricValue="3.0" metricValueMax="3.5" metricValueMin="2.5" pageId="1" pageNumber="182" unit="cm" value="3.0" valueMax="3.5" valueMin="2.5">2.5–3.5 cm</quantity>
|
||
, base rounded and oblique, adaxially and abaxially covered with sparse smooth hairs; margins minutely serrulate, 6–9 veins on each side of the midrib. Synflorescences ca.
|
||
<quantity id="4CE2899EFFC8FFF8FBFF031EC5884836" box="[1122,1200,1374,1399]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" pageId="1" pageNumber="182" unit="cm" value="1.3">1.3 cm</quantity>
|
||
long, pseudospikelets several clustered on the short ultimate branchlets, glabrous; prophylls ovate-lanceolate, 4–5 x
|
||
<quantity id="4CE2899EFFC8FFF8FB2403C2C41648DA" box="[1209,1326,1410,1435]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="1" pageNumber="182" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.5–2 mm</quantity>
|
||
, thin, apex obtuse, two-keeled; bracts 1–3, oblong to oblong-lanceolate, upper 5–6 x
|
||
<quantity id="4CE2899EFFC8FFF8FC5703E6C51148FE" box="[970,1065,1446,1471]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" pageId="1" pageNumber="182" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">3–4 mm</quantity>
|
||
, papery, veins 11–13, apex obtuse to acute or mucronate; glumes absent; floret 1, fertile; rachilla internodes short, ca.
|
||
<quantity id="4CE2899EFFC8FFF8FBFC038AC5FA48A2" box="[1121,1218,1482,1507]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" metricValueMax="2.0" metricValueMin="1.0" pageId="1" pageNumber="182" unit="mm" value="1.5" valueMax="2.0" valueMin="1.0">1–2 mm</quantity>
|
||
long; fertile lemma oblong–lanceolate, 9–10 x
|
||
<quantity id="4CE2899EFFC8FFF8FE2B03AEC3124B46" box="[438,554,1518,1543]" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="4.5" metricValueMin="4.0" pageId="1" pageNumber="182" unit="mm" value="4.25" valueMax="4.5" valueMin="4.0">4–4.5 mm</quantity>
|
||
, veins 11–13, apex acute, short-mucronate; palea ovate-lanceolate, 9–10 x
|
||
<quantity id="4CE2899EFFC8FFF8FAF003AEC18E4B6A" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="4.5" metricValueMin="4.0" pageId="1" pageNumber="182" unit="mm" value="4.25" valueMax="4.5" valueMin="4.0">4–4.5 mm</quantity>
|
||
, involute, papery, dorsal surface of palea slightly furrowed between 2 keels, margins ciliate, apex acute (not bifid), short-mucronate, veins 11–13; lodicules 3, triangular or oblong, largest 2 x
|
||
<quantity id="4CE2899EFFC8FFF8FC770076C5164B0E" box="[1002,1070,1590,1615]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="182" unit="mm" value="1.0">1 mm</quantity>
|
||
, margins apically ciliate; stamens 6, ca.
|
||
<quantity id="4CE2899EFFC8FFF8FF56001AC0344B32" box="[203,268,1626,1651]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="1" pageNumber="182" unit="mm" value="5.0">5 mm</quantity>
|
||
long, connate at their base; anthers initially dull green, pale yellow when mature, ca.
|
||
<quantity id="4CE2899EFFC8FFF8FB55001AC4314B32" box="[1224,1289,1626,1651]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="182" unit="mm" value="2.0">2 mm</quantity>
|
||
long; style ca.
|
||
<quantity id="4CE2899EFFC8FFF8FF15003EC1ED4BD6" box="[136,213,1662,1687]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" pageId="1" pageNumber="182" unit="cm" value="1.3">1.3 cm</quantity>
|
||
long; stigmas 3, purple, plumose. Fruit a nucoid caryopsis, ovoid-oblong, 5–6 x
|
||
<quantity id="4CE2899EFFC8FFF8FBEF003EC5EA4BD6" box="[1138,1234,1662,1687]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="1" pageNumber="182" unit="mm" value="2.5" valueMax="3.0" valueMin="2.0">2–3 mm</quantity>
|
||
, glabrous, with the persistent style base at its apex.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30077F0FFC8FFF8FF200086C2AE4B9E" box="[189,918,1734,1759]" pageId="1" pageNumber="182" type="etymology">
|
||
<paragraph id="8BA5247BFFC8FFF8FF200086C2AE4B9E" blockId="1.[136,1452,906,1975]" box="[189,918,1734,1759]" pageId="1" pageNumber="182">
|
||
<emphasis id="B96EF869FFC8FFF8FF200086C05C4B9E" bold="true" box="[189,356,1734,1759]" pageId="1" pageNumber="182">Etymology:—</emphasis>
|
||
The species epithet refers to Lang Bian Mountain.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C30077F0FFC8FFF8FF2000AAC1C64AF6" pageId="1" pageNumber="182" type="discussion">
|
||
<paragraph id="8BA5247BFFC8FFF8FF2000AAC1C64AF6" blockId="1.[136,1452,906,1975]" pageId="1" pageNumber="182">
|
||
<emphasis id="B96EF869FFC8FFF8FF2000AAC30D4A42" bold="true" box="[189,565,1770,1795]" pageId="1" pageNumber="182">Morphological comparisons:—</emphasis>
|
||
<taxonomicName id="4C1A5FF8FFC8FFF8FDA800AAC2AB4A42" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[565,915,1770,1795]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="1" pageNumber="182" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFC8FFF8FDA800AAC2AB4A42" box="[565,915,1770,1795]" italics="true" pageId="1" pageNumber="182">Schizostachyum langbianense</emphasis>
|
||
</taxonomicName>
|
||
has a few pseudospikelets in each cluster on the short ultimate inflorescence branchlets, and so resembles
|
||
<taxonomicName id="4C1A5FF8FFC8FFF8FCDE014EC5EF4A66" authority="(Tran et al. 2010)" baseAuthorityName="Tran" baseAuthorityYear="2010" box="[835,1239,1806,1831]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="1" pageNumber="182" phylum="Tracheophyta" rank="species" species="ninhthuanense">
|
||
<emphasis id="B96EF869FFC8FFF8FCDE014EC53C4A66" box="[835,1028,1806,1831]" italics="true" pageId="1" pageNumber="182">S. ninhthuanense</emphasis>
|
||
(
|
||
<bibRefCitation id="EF8B598AFFC8FFF8FB89014EC5F74A66" author="Tran, V. T. & Xia, N. H. & Nguyen, H. N." box="[1044,1231,1806,1831]" pageId="1" pageNumber="182" pagination="487 - 492" refId="ref2815" refString="Tran, V. T., Xia, N. H. & Nguyen, H. N. (2010) Schizostachyum yalyense sp. nov. and S. ninhthuanense sp. nov. (Gramineae: Bambusoideae) from Vietnam. Nordic Journal of Botany 28 (4): 487 - 492. http: // dx. doi. org / 10.1111 / j. 1756 - 1051.2010.00770. x" type="journal article" year="2010">
|
||
Tran
|
||
<emphasis id="B96EF869FFC8FFF8FBCE014EC5B54A66" box="[1107,1165,1806,1831]" italics="true" pageId="1" pageNumber="182">et al.</emphasis>
|
||
2010
|
||
</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
found in the same geographical area. However, in contrast, the culm leaves of
|
||
<taxonomicName id="4C1A5FF8FFC8FFF8FCDC0172C2CD4A0A" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[833,1013,1842,1867]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="1" pageNumber="182" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFC8FFF8FCDC0172C2CD4A0A" box="[833,1013,1842,1867]" italics="true" pageId="1" pageNumber="182">S. langbianense</emphasis>
|
||
</taxonomicName>
|
||
have a slightly concave or horizontal apical portion, culm leaf blades that are narrowly lanceolate, an acute (not bifid) palea apex, and a dorsal palea surface that is furrowed between 2 keels. The characters states considered important for distinguishing these species are given in
|
||
<tableCitation id="C69811C0FFC8FFF8FF3901DEC1C04AF6" box="[164,248,1950,1975]" captionStart="TABLE 1" captionStartId="5.[136,216,165,186]" captionTargetPageId="5" captionText="TABLE 1. Morphological comparisons of Schizostachyum langbianense and S. ninhthuanense." httpUri="http://table.plazi.org/id/DF6574F3FFCCFFFCFF1506E5C5244DFB" pageId="1" pageNumber="182" tableUuid="DF6574F3FFCCFFFCFF1506E5C5244DFB">Table 1</tableCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF6574F3FFCBFFFBFF150116C224455E" ID-DOI="http://doi.org/10.5281/zenodo.13674600" ID-Zenodo-Dep="13674600" httpUri="https://zenodo.org/record/13674600/files/figure.png" pageId="2" pageNumber="183" startId="2.[136,229,1878,1899]" targetBox="[247,1356,195,1848]" targetPageId="2" targetType="figure">
|
||
<paragraph id="8BA5247BFFCBFFFBFF150116C224455E" blockId="2.[136,1452,1878,2079]" pageId="2" pageNumber="183">
|
||
<emphasis id="B96EF869FFCBFFFBFF150116C1C64A2A" bold="true" box="[136,254,1878,1899]" pageId="2" pageNumber="183">FIGURE 1.</emphasis>
|
||
<taxonomicName id="4C1A5FF8FFCBFFFBFE990116C31B4A2A" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[260,547,1878,1899]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="2" pageNumber="183" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFCBFFFBFE990116C31B4A2A" box="[260,547,1878,1899]" italics="true" pageId="2" pageNumber="183">Schizostachyum langbianense</emphasis>
|
||
</taxonomicName>
|
||
. A. Culm leaf showing reflexed blade. B. Apical portions of culm leaves with blade in natural reflexed position (left) and upturned (right). C. Nodal section of the culm showing the single bud. D. Nodal section of the mid-culm, showing subequal branches in young developing branch complement. E. Branch leaf complement. F. Part of branch leaf complement, showing pseudopetiole and ligule. G. Synflorescence including a developing fruit with persistent style and stigmas. H. Floret with exsert staminal complement. I. Floret, showing prophyll (lowermost structure), distally with 2 bracts, then a lemma and palea. J. Lodicules. Drawn by Tran Van Tien from
|
||
<emphasis id="B96EF869FFCBFFFBFE2D0E4AC385455E" box="[432,701,2058,2079]" italics="true" pageId="2" pageNumber="183">V.T. Tran & N.H. Nghia 460</emphasis>
|
||
(VAFS!).
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF6574F3FFCAFFFAFF150116C3A64560" ID-DOI="http://doi.org/10.5281/zenodo.13674602" ID-Zenodo-Dep="13674602" httpUri="https://zenodo.org/record/13674602/files/figure.png" pageId="3" pageNumber="184" startId="3.[136,229,1878,1899]" targetBox="[228,1359,190,1853]" targetPageId="3" targetType="figure">
|
||
<paragraph id="8BA5247BFFCAFFFAFF150116C3A64560" blockId="3.[136,1453,1878,2081]" pageId="3" pageNumber="184">
|
||
<emphasis id="B96EF869FFCAFFFAFF150116C1C44A2A" bold="true" box="[136,252,1878,1899]" pageId="3" pageNumber="184">FIGURE 2.</emphasis>
|
||
<taxonomicName id="4C1A5FF8FFCAFFFAFE9D0116C3254A2A" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[256,541,1878,1899]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="3" pageNumber="184" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFCAFFFAFE9D0116C3254A2A" box="[256,541,1878,1899]" italics="true" pageId="3" pageNumber="184">Schizostachyum langbianense</emphasis>
|
||
</taxonomicName>
|
||
. A. Habitat. B. Clump base. C. Culm leaves showing erect blade (left), and reflexed blade (right). D. Upper or apical portion of culm leaf sheath proper. E. Nodal section of the culm, showing subequal branches in young complement. F. Nodal section of the culm showing the single bud. G. Branch leaf complement. H. Synflorescence showing pseudospikelets, and a detached floret. I. Prophyll (basal-most structure (Pr), and distally 2 bracts (Br), a lemma (L) and palea (Pl). J. Floret with staminal complement. K. Lemma. L. Dorsal view of palea with a furrow. M. Lodicules (Ld) and stamens (St). N. Purplish plumose stigmas (St) exsert from the tip of a floret. Photos by Tran Van Tien.
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C30077F0FFCDFFFDFF2006E0C2DC4CD0" pageId="4" pageNumber="185" type="distribution">
|
||
<paragraph id="8BA5247BFFCDFFFDFF2006E0C2DC4CD0" blockId="4.[136,1452,160,401]" pageId="4" pageNumber="185">
|
||
<emphasis id="B96EF869FFCDFFFDFF2006E0C3924DF8" bold="true" box="[189,682,160,185]" pageId="4" pageNumber="185">Geographic distribution and Habitat:—</emphasis>
|
||
This new species is only known from the
|
||
<typeStatus id="54A19AD9FFCDFFFDFB3B06E0C5EE4DF8" box="[1190,1238,160,185]" pageId="4" pageNumber="185">type</typeStatus>
|
||
collection and its distribution area is not too far from the
|
||
<typeStatus id="54A19AD9FFCDFFFDFDA30684C3564D9C" box="[574,622,196,221]" pageId="4" pageNumber="185">type</typeStatus>
|
||
locality of
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFD700684C5714D9C" box="[749,1097,196,221]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="185" phylum="Tracheophyta" rank="species" species="ninhthuanense">
|
||
<emphasis id="B96EF869FFCDFFFDFD700684C5714D9C" box="[749,1097,196,221]" italics="true" pageId="4" pageNumber="185">Schizostachyum ninhthuanense</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="132138FEFFCDFFFDFBC40684C5A44D9C" box="[1113,1180,196,221]" captionStart="FIGURE 3" captionStartId="4.[136,229,1944,1965]" captionTargetBox="[402,1193,449,1910]" captionTargetId="figure-134@4.[379,1209,425,1919]" captionTargetPageId="4" captionText="FIGURE 3. Geographical distribution of Schizostachyum langbianense (L) and S. ninhthuanense (N)." figureDoi="http://doi.org/10.5281/zenodo.13674604" httpUri="https://zenodo.org/record/13674604/files/figure.png" pageId="4" pageNumber="185">Fig. 3</figureCitation>
|
||
). Both of them occur on the Lang Bian Plateau, southern
|
||
<collectingCountry id="F30D64EBFFCDFFFDFE6706A8C3644C40" box="[506,604,232,257]" name="Vietnam" pageId="4" pageNumber="185">Vietnam</collectingCountry>
|
||
,
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFDF506A8C2104C40" box="[616,808,232,257]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="185" phylum="Tracheophyta" rank="species" species="ninhthuanense">
|
||
<emphasis id="B96EF869FFCDFFFDFDF506A8C2104C40" box="[616,808,232,257]" italics="true" pageId="4" pageNumber="185">S. ninhthuanense</emphasis>
|
||
</taxonomicName>
|
||
being found in lower montane sites (
|
||
<quantity id="4CE2899EFFCDFFFDFB5206A8C4674C40" box="[1231,1375,232,257]" metricMagnitude="2" metricUnit="m" metricValue="7.0" metricValueMax="10.0" metricValueMin="4.0" pageId="4" pageNumber="185" unit="m" value="700.0" valueMax="1000.0" valueMin="400.0">400–1000 m</quantity>
|
||
a.s.l.), which is whereas the new species is found in higher elevations (
|
||
<quantity id="4CE2899EFFCDFFFDFCD5074CC2DC4C64" box="[840,996,268,293]" metricMagnitude="3" metricUnit="m" metricValue="1.75" metricValueMax="1.9" metricValueMin="1.6" pageId="4" pageNumber="185" unit="m" value="1750.0" valueMax="1900.0" valueMin="1600.0">1600–1900 m</quantity>
|
||
a.s.l.).
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFBA9074CC5CB4C64" authorityName="Tien & Xia & Wong & Van & Toan & Nguyen & Tran" authorityYear="2016" box="[1076,1267,268,293]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="186" phylum="Tracheophyta" rank="species" species="ninhthuanense" status="sp. nov.">
|
||
S.
|
||
<emphasis id="B96EF869FFCDFFFDFBCD074CC5CB4C64" box="[1104,1267,268,293]" italics="true" pageId="4" pageNumber="185">ninhthuanense</emphasis>
|
||
</taxonomicName>
|
||
is found in open semi-deciduous and degraded forests, and
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFDFA0770C2214C08" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[615,793,304,329]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="185" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFCDFFFDFDFA0770C2214C08" box="[615,793,304,329]" italics="true" pageId="4" pageNumber="185">S. langbianense</emphasis>
|
||
</taxonomicName>
|
||
is found in evergreen alpine forests or mixed broadleaved alpine forests, along valleys and mountain gorges. It is found in small populations, being apparently endemic to Lang Bian Mountain, Lac Duong District,
|
||
<collectingRegion id="49DEEA99FFCDFFFDFDB80738C2334CD0" box="[549,779,376,401]" country="Vietnam" name="Lam Dong" pageId="4" pageNumber="185">Lam Dong Province</collectingRegion>
|
||
, southern
|
||
<collectingCountry id="F30D64EBFFCDFFFDFCE00738C2D84CD0" box="[893,992,376,401]" name="Vietnam" pageId="4" pageNumber="185">Vietnam</collectingCountry>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF6574F3FFCDFFFDFF1501D8C5664AEC" ID-DOI="http://doi.org/10.5281/zenodo.13674604" ID-Zenodo-Dep="13674604" box="[136,1118,1944,1965]" httpUri="https://zenodo.org/record/13674604/files/figure.png" pageId="4" pageNumber="185" startId="4.[136,229,1944,1965]" targetBox="[402,1193,449,1910]" targetPageId="4" targetType="figure">
|
||
<paragraph id="8BA5247BFFCDFFFDFF1501D8C5664AEC" blockId="4.[136,1118,1944,1965]" box="[136,1118,1944,1965]" pageId="4" pageNumber="185">
|
||
<emphasis id="B96EF869FFCDFFFDFF1501D8C1C64AEC" bold="true" box="[136,254,1944,1965]" pageId="4" pageNumber="185">FIGURE 3.</emphasis>
|
||
Geographical distribution of
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFD8401D8C2014AEC" authorityName="V. T. Tran, N. H. Xia & H. N. Nguyen" authorityYear="2016" box="[537,825,1944,1965]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="185" phylum="Tracheophyta" rank="species" species="langbianense">
|
||
<emphasis id="B96EF869FFCDFFFDFD8401D8C2014AEC" box="[537,825,1944,1965]" italics="true" pageId="4" pageNumber="185">Schizostachyum langbianense</emphasis>
|
||
</taxonomicName>
|
||
(L) and
|
||
<taxonomicName id="4C1A5FF8FFCDFFFDFC1101D8C5084AEC" authorityName="Tien & Xia & Wong & Van & Toan & Nguyen & Tran" authorityYear="2016" box="[908,1072,1944,1965]" class="Liliopsida" family="Poaceae" genus="Schizostachyum" kingdom="Plantae" order="Poales" pageId="4" pageNumber="185" phylum="Tracheophyta" rank="species" species="ninhthuanense">
|
||
<emphasis id="B96EF869FFCDFFFDFC1101D8C5084AEC" box="[908,1072,1944,1965]" italics="true" pageId="4" pageNumber="185">S. ninhthuanense</emphasis>
|
||
</taxonomicName>
|
||
(N).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C30077F0FFCDFFFDFF20019DC3AB455B" pageId="4" pageNumber="185" type="biology_ecology">
|
||
<paragraph id="8BA5247BFFCDFFFDFF20019DC3AB455B" blockId="4.[136,1451,2013,2074]" pageId="4" pageNumber="185">
|
||
<emphasis id="B96EF869FFCDFFFDFF20019DC0674AB7" bold="true" box="[189,351,2013,2038]" pageId="4" pageNumber="185">Phenology:—</emphasis>
|
||
Flowering and fruiting were observed in
|
||
<date id="FFA402BBFFCDFFFDFCA2019DC2E34AB7" box="[831,987,2013,2038]" pageId="4" pageNumber="185" value="2008-10">October 2008</date>
|
||
and
|
||
<date id="FFA402BBFFCDFFFDFB84019DC5E94AB7" box="[1049,1233,2013,2038]" pageId="4" pageNumber="185" value="2009-12">December 2009</date>
|
||
, respectively. New culm shoots often appear from May to August.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |