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<document ID-CLB-Dataset="25142" ID-DOI="http://dx.doi.org/10.3897/phytokeys.134.37243" ID-GBIF-Dataset="a27b8b5e-684f-40b9-b1df-4795eda99fac" ID-PMC="PMC6821849" ID-Pensoft-Pub="1314-2003-134-115" ID-Pensoft-UUID="6AD50520CE555236A8FD966C3DCECF44" ID-PubMed="31686957" ModsDocID="1314-2003-134-115" checkinTime="1571900140897" checkinUser="pensoft" docAuthor="Zhu, Xin Xin, Zheng, Hai Lei, Wang, Jun, Gao, Yong Qian &amp; Ma, Jin Shuang" docDate="2019" docId="170BBC0E92DF58BFAB5C28E83D80401E" docLanguage="en" docName="PhytoKeys 134: 115-124" docOrigin="PhytoKeys 134" docSource="http://dx.doi.org/10.3897/phytokeys.134.37243" docTitle="Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma 2019, sp. nov." docType="treatment" docVersion="8" id="6AD50520CE555236A8FD966C3DCECF44" lastPageNumber="115" masterDocId="6AD50520CE555236A8FD966C3DCECF44" masterDocTitle="Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China: I. I. cangshanense, a new species from Yunnan" masterLastPageNumber="124" masterPageNumber="115" pageNumber="115" updateTime="1732940426691" updateUser="ExternalLinkService">
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<mods:title id="35C28FFBCFDDB8866FCB2CE35AE9ED42">Taxonomic studies on the genus Isotrema (Aristolochiaceae) from China: I. I. cangshanense, a new species from Yunnan</mods:title>
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<mods:namePart id="15FBAE9D31B3FF0D5A21D0AA7C64850C">Zhu, Xin Xin</mods:namePart>
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<mods:namePart id="A9CA8CB5FA9CA77AFD3DD5C569A7E00F">Zheng, Hai Lei</mods:namePart>
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<mods:namePart id="464F64F2F2B0588493B62B329C17E7E4">Wang, Jun</mods:namePart>
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<mods:namePart id="682A9BEF9A41878292B6548ED8B90E60">Gao, Yong Qian</mods:namePart>
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<mods:namePart id="E0C684B1A12E25C221E6B4B283273E0B">Ma, Jin Shuang</mods:namePart>
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<treatment id="170BBC0E92DF58BFAB5C28E83D80401E" ID-GBIF-Taxon="159834626" LSID="urn:lsid:plazi:treatment:170BBC0E92DF58BFAB5C28E83D80401E" httpUri="http://treatment.plazi.org/id/170BBC0E92DF58BFAB5C28E83D80401E" lastPageNumber="115" pageId="0" pageNumber="115" scope_family="Aristolochiaceae">
<subSubSection id="D1FF32AC14DCAAEDC2D5B398E056D73D" pageId="0" pageNumber="115" type="nomenclature">
<paragraph id="58BD0344E22FF4886F4CA96F38945491" pageId="0" pageNumber="115">
<taxonomicName id="1F8C2508926752042F0E0A5C1B2D01EA" ID-CoL="7WRQS" LSID="170BBC0E-92DF-58BF-AB5C-28E83D80401E" authority="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense" status="sp. nov.">Isotrema cangshanense X.X.Zhu, H.L.Zheng &amp; J.S.Ma</taxonomicName>
<taxonomicNameLabel id="8541EBC1FF9B8DD1962CDED18A1B1737" pageId="0" pageNumber="115">sp. nov.</taxonomicNameLabel>
<figureCitation id="29DB6180531D830D0389F9AD637C81B0" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma, sp. nov. A habit B flower (lateral view) C flower (front view) D opened flower (showing the inner structure) E anthers and gynostemium F the dehiscent capsule G seed. Illustration by Shizhen Qiao." figureDoi="10.3897/phytokeys.134.37243.figure1" httpUri="https://binary.pensoft.net/fig/349316" pageId="0" pageNumber="115" tableDoi="10.3897/phytokeys.134.37243.figure1">Figures 1</figureCitation>
<figureCitation id="35E43C0A61E3EA680DE28F7183198251" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma, sp. nov. A habit B leaves C flower bud D inflorescence E flower (front view) F flowers (lateral view) G anthers and gynostemium H the dehiscent capsule I seeds. Photographed by Xinxin Zhu." figureDoi="10.3897/phytokeys.134.37243.figure2" httpUri="https://binary.pensoft.net/fig/349317" pageId="0" pageNumber="115" tableDoi="10.3897/phytokeys.134.37243.figure2">, 2</figureCitation>
<figureCitation id="980EFD3CB3AA270A5883D217C06FA324" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Holotype of Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma, sp. nov. (CSH- 0164770)." figureDoi="10.3897/phytokeys.134.37243.figure3" httpUri="https://binary.pensoft.net/fig/349318" pageId="0" pageNumber="115" tableDoi="10.3897/phytokeys.134.37243.figure3">, 3</figureCitation>
<figureCitation id="AE60B9B6A91D5E307E4B8451C880E98F" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A-C Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma, sp. nov. A leaves B flower (lateral view) C longitudinal section of flower (showing the inside structure) D-F Isotrema utriforme (S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma D leaves E flower (lateral view) F longitudinal section of flower (showing the inside structure) G-I I. forrestianum (J. S. Ma) X. X. Zhu, S. Liao &amp; J. S. Ma G leaves H flower (lateral view) I longitudinal section of flower (showing the inside structure) J-L I. obliquum (S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma J leaves K flower (lateral view) L longitudinal section of flower (showing the inside structure). A-C, G-I Photographed by Xinxin Zhu D-F photographed by Lei Cai; J-L photographed by Yuan Wang." figureDoi="10.3897/phytokeys.134.37243.figure4" httpUri="https://binary.pensoft.net/fig/349319" pageId="0" pageNumber="115" tableDoi="10.3897/phytokeys.134.37243.figure4">
, 4
<normalizedToken id="526212B7C9B4604C1A7BF7713747C181" originalValue="AC">A-C</normalizedToken>
</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="F9EB18097EC517394FA1630D37C177D0" pageId="0" pageNumber="115" type="materials_examined">
<paragraph id="41B61CF1AE592EA6B21072F8F0659A11" pageId="0" pageNumber="115">Type.</paragraph>
<paragraph id="C88BBD8C5141D6F92AFA343B9B2C45B4" pageId="0" pageNumber="115">
China. Yunnan: Yangbi County, The Cangshan Mountain, Sancha River,
<geoCoordinate id="A2745DBF061D71BBF553223D811EAAF0" degrees="25" direction="north" minutes="41" orientation="latitude" precision="15" seconds="49" value="25.696943">25°41'49&quot;N</geoCoordinate>
,
<geoCoordinate id="D94D03674251EF02992C97A0FE6FF762" degrees="100" direction="east" minutes="02" orientation="longitude" precision="15" seconds="55" value="100.04861">100°02'55&quot;E</geoCoordinate>
, 2239 m a.s.l., 23 April 2019,
<emphasis id="1E56B8D19E4C695C614C1CEE37A22CEE" italics="true" pageId="0" pageNumber="115">X. X. Zhu et al. ZXX19353</emphasis>
(holotype: CSH [CSH-0164770!]; isotypes: CSH!, KUN!).
</paragraph>
</subSubSection>
<subSubSection id="37A45F9D6985B8792C43ACAF34A2CD96" pageId="0" pageNumber="115" type="diagnosis">
<paragraph id="3926A5623975D1DE9E9A99D524282849" pageId="0" pageNumber="115">Diagnosis.</paragraph>
<paragraph id="1A8C6185622FF4BB872FC78466DD279E" pageId="0" pageNumber="115">
<taxonomicName id="25A7182069F5D341F3A953824CD6B41D" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="9FCA5B7C46C460E4DE90EF4CEDBD8C33" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
is morphologically similar to
<taxonomicName id="7D148A7A07A624343826B89F4CC43AC5" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema utriforme" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="utriforme">
<emphasis id="500D2C16F799F2009B99D7D9B12C1B7C" italics="true" pageId="0" pageNumber="115">Isotrema utriforme</emphasis>
</taxonomicName>
(S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma,
<taxonomicName id="262AFD931E18F687BE5DAE8A47D64808" lsidName="I. forrestianum" pageId="0" pageNumber="115" rank="species" species="forrestianum">
<emphasis id="19040E5DE9ABA7AF905D5F600C37D48B" italics="true" pageId="0" pageNumber="115">I. forrestianum</emphasis>
</taxonomicName>
(J. S. Ma) X. X. Zhu, S. Liao &amp; J. S. Ma,
<taxonomicName id="D35EADB919AAC6BEDD9AE1C09A176A2C" lsidName="I. cucurbitoides" pageId="0" pageNumber="115" rank="species" species="cucurbitoides">
<emphasis id="98C509F9736B9ED3EB4A482108177F3A" italics="true" pageId="0" pageNumber="115">I. cucurbitoides</emphasis>
</taxonomicName>
(C. F. Liang) X. X. Zhu, S. Liao &amp; J. S. Ma and
<taxonomicName id="C1A82824B9F1DF01BABD2A5B3633A6B7" lsidName="I. obliquum" pageId="0" pageNumber="115" rank="species" species="obliquum">
<emphasis id="8A98FFC681F37246C0F0153CDDA80CAF" italics="true" pageId="0" pageNumber="115">I. obliquum</emphasis>
</taxonomicName>
(S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma (
<bibRefCitation id="7D062812A71F97E7D8A9EB098B277389" DOI="https://doi.org/10.11646/phytotaxa.401.1.1" author="Zhu, XX" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="115" pagination="1 - 23" refId="B38" refString="Zhu, XX, Li, XQ, Liao, S, Du, C, Wang, Y, Wang, ZH, Yan, J, Zuo, YJ, Ma, JS, 2019a. Reinstatement of Isotrema, a new generic delimitation of Aristolochia subgen. Siphisia (Aristolochiaceae). Phytotaxa 401 (1): 1 - 23, DOI: https://doi.org/10.11646/phytotaxa.401.1.1" title="Reinstatement of Isotrema, a new generic delimitation of Aristolochia subgen. Siphisia (Aristolochiaceae)." url="https://doi.org/10.11646/phytotaxa.401.1.1" volume="401" year="2019 a">Zhu et al. 2019a</bibRefCitation>
), but is distinguishable from these species by the following diagnostic characters: laminas oblong-lanceolate; calyx outside light yellow; limb narrow-ovoid, 2.4-3
<normalizedToken id="E7AD1E816A4FF3E7BFC7B7194FFE5118" originalValue="×">x</normalizedToken>
0.9-1 cm, asymmetric, forming an acute angle with the upper part of the tube, 3-lobed, upper part separated to the middle, lower part shallowly lobed, inside black purple, net-shaped protruding stripes; throat ca. 5 mm in diam. Detailed morphological comparisons are shown in Table
<tableCitation id="65C78F750915846A402556B2786AEADC" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological comparisons of Isotrema cangshanense with I. utriforme, I. forrestianum, I. cucurbitoides and I. obliquum." httpUri="http://table.plazi.org/id/289F5EE44F62DBFD33A502A1370C2310" pageId="0" pageNumber="115" tableUuid="289F5EE44F62DBFD33A502A1370C2310">1</tableCitation>
and
<figureCitation id="4FD8D56365F4A6D2B173FAF2C4035463" captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A-C Isotrema cangshanense X. X. Zhu, H. L. Zheng &amp; J. S. Ma, sp. nov. A leaves B flower (lateral view) C longitudinal section of flower (showing the inside structure) D-F Isotrema utriforme (S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma D leaves E flower (lateral view) F longitudinal section of flower (showing the inside structure) G-I I. forrestianum (J. S. Ma) X. X. Zhu, S. Liao &amp; J. S. Ma G leaves H flower (lateral view) I longitudinal section of flower (showing the inside structure) J-L I. obliquum (S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma J leaves K flower (lateral view) L longitudinal section of flower (showing the inside structure). A-C, G-I Photographed by Xinxin Zhu D-F photographed by Lei Cai; J-L photographed by Yuan Wang." figureDoi="10.3897/phytokeys.134.37243.figure4" httpUri="https://binary.pensoft.net/fig/349319" pageId="0" pageNumber="115" tableDoi="10.3897/phytokeys.134.37243.figure4">Figure 4</figureCitation>
.
</paragraph>
<caption id="54E3D9DF3CA9AEB116464884CEED8D16" doi="10.3897/phytokeys.134.37243.figure1" httpUri="https://binary.pensoft.net/fig/349316" pageId="0" pageNumber="115" start="Figure 1" startId="F1">
<paragraph id="76B0051F082D8B71C92644CFAC7F3391" pageId="0" pageNumber="115">
<emphasis id="8691493E0828355A5298EEFDFE8D9CF3" bold="true" pageId="0" pageNumber="115">Figure 1.</emphasis>
<taxonomicName id="E26A2D4C4DD54388180458E304EEF9A0" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="48C4D83D36F158939DFEC03B3EFA033C" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
X.X.Zhu, H.L.Zheng &amp; J.S.Ma, sp. nov.
<emphasis id="DDE0FBF7C892F4FA1CBFAF8E88973D91" bold="true" pageId="0" pageNumber="115">A</emphasis>
habit
<emphasis id="5D34723A8AF46AC446F50EF8B033CA23" bold="true" pageId="0" pageNumber="115">B</emphasis>
flower (lateral view)
<emphasis id="A4E47A1D6CA9648DE5AFA2D0768CE110" bold="true" pageId="0" pageNumber="115">C</emphasis>
flower (front view)
<emphasis id="8C9E8927EA1EBE9C7E368A73C88E91A9" bold="true" pageId="0" pageNumber="115">D</emphasis>
opened flower (showing the inner structure)
<emphasis id="8D3FE0E8A2A092446706DAA0F30B4FB2" bold="true" pageId="0" pageNumber="115">E</emphasis>
anthers and gynostemium
<emphasis id="586C5BF1B6C629EA73928CEA98C0DA2A" bold="true" pageId="0" pageNumber="115">F</emphasis>
the dehiscent capsule
<emphasis id="677AAF6E03CDFBB51A5FC5226E211040" bold="true" pageId="0" pageNumber="115">G</emphasis>
seed. Illustration by Shizhen Qiao.
</paragraph>
</caption>
<caption id="A85393A33CF830825608B96B14B47BA6" doi="10.3897/phytokeys.134.37243.figure2" httpUri="https://binary.pensoft.net/fig/349317" pageId="0" pageNumber="115" start="Figure 2" startId="F2">
<paragraph id="7C8C009D96EBD0EF772EBE1B6DADE9A4" pageId="0" pageNumber="115">
<emphasis id="A5E5C791840ADB08676F60097DE2F0D4" bold="true" pageId="0" pageNumber="115">Figure 2.</emphasis>
<taxonomicName id="2E0EE739D32F5670D19C14F7EC2DE42B" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="45778985DDE1A752D90F1BE8DBEC9D0B" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
X.X.Zhu, H.L.Zheng &amp; J.S.Ma, sp. nov.
<emphasis id="87B6A0CB297459EC3BCD72F5BEACE712" bold="true" pageId="0" pageNumber="115">A</emphasis>
habit
<emphasis id="73B776CD4ADCE5ACC7033A19805C4DEF" bold="true" pageId="0" pageNumber="115">B</emphasis>
leaves
<emphasis id="4A3167407108EDA55252B013688DE003" bold="true" pageId="0" pageNumber="115">C</emphasis>
flower bud
<emphasis id="4AF9AF7AADA6A39B7097F2325F420D9A" bold="true" pageId="0" pageNumber="115">D</emphasis>
inflorescence
<emphasis id="B09754E96891C88FD41B1608FE9B74D0" bold="true" pageId="0" pageNumber="115">E</emphasis>
flower (front view)
<emphasis id="00E7DA2483EE2962C9CA954020F18A6E" bold="true" pageId="0" pageNumber="115">F</emphasis>
flowers (lateral view)
<emphasis id="B33ED705025BFDE7A5C88786809A8C6C" bold="true" pageId="0" pageNumber="115">G</emphasis>
anthers and gynostemium
<emphasis id="24AB427983C98BE2D8A963622DAE66CF" bold="true" pageId="0" pageNumber="115">H</emphasis>
the dehiscent capsule
<emphasis id="9A0D930D26D54FDF5F96792C2B20D7CB" bold="true" pageId="0" pageNumber="115">I</emphasis>
seeds. Photographed by Xinxin Zhu.
</paragraph>
</caption>
<caption id="289F5EE44F62DBFD33A502A1370C2310" ID-Table-UUID="289F5EE44F62DBFD33A502A1370C2310" httpUri="http://table.plazi.org/id/289F5EE44F62DBFD33A502A1370C2310" pageId="0" pageNumber="115" start="Table 1" startId="T1">
<paragraph id="7F1CB9847DBF95D56522DD787A0B0C68" pageId="0" pageNumber="115">
<emphasis id="1F5FBDD0CDAA92690D5BD34F33027DBF" bold="true" pageId="0" pageNumber="115">Table 1.</emphasis>
Morphological comparisons of
<taxonomicName id="1037303005692F1D59F9A4BEED2AEF4D" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="60A1E529C489CA2B199FBA1D9D8E91C6" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
with
<taxonomicName id="BDC6AAEB3F16E07B78DA5C9F162A31B3" lsidName="I. utriforme" pageId="0" pageNumber="115" rank="species" species="utriforme">
<emphasis id="9B834A36D6C0D67B2A077AA680DB7AF5" italics="true" pageId="0" pageNumber="115">I. utriforme</emphasis>
</taxonomicName>
,
<taxonomicName id="55522F79E465E4ABB8E053DC553A10C5" lsidName="I. forrestianum" pageId="0" pageNumber="115" rank="species" species="forrestianum">
<emphasis id="618F57759C6C10A5B0B794073E5C292E" italics="true" pageId="0" pageNumber="115">I. forrestianum</emphasis>
</taxonomicName>
,
<taxonomicName id="31A58D22B7BCBF320B972D0CDDD904B8" lsidName="I. cucurbitoides" pageId="0" pageNumber="115" rank="species" species="cucurbitoides">
<emphasis id="9B5A22B3087ABA61EE5C2354CF7FD81A" italics="true" pageId="0" pageNumber="115">I. cucurbitoides</emphasis>
</taxonomicName>
and
<taxonomicName id="7115F632ACA446B76DF04E3FCACDDE39" lsidName="I. obliquum" pageId="0" pageNumber="115" rank="species" species="obliquum">
<emphasis id="223A7589E0EC55560A126ED874835268" italics="true" pageId="0" pageNumber="115">I. obliquum</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="2C52C9A072F5AE2FF40A247950355BFE" pageId="0" pageNumber="115">
<table id="18D1827F4525404EB620C99BB72284E3" pageId="0" pageNumber="115">
<tr id="4ABDDA0F6A15692976A56B305A8CD08D" pageId="0" pageNumber="115">
<th id="859C8DF15C0ED8AEE536711668A71D2D" colspan="1" pageId="0" pageNumber="115" rowspan="1">Characters</th>
<th id="A5241AE6A41E0BCE9E953F055C1ED6B0" colspan="1" pageId="0" pageNumber="115" rowspan="1">
<taxonomicName id="92DBB946E5903318CBD3A7BB3E96D73D" lsidName="I. cangshanense" pageId="0" pageNumber="115" rank="species" species="cangshanense">
<emphasis id="FE8151850235935DD196A7C6D03AB657" italics="true" pageId="0" pageNumber="115">I. cangshanense</emphasis>
</taxonomicName>
</th>
<th id="08F9D54E986D79F4A98CC11D4D6A780C" colspan="1" pageId="0" pageNumber="115" rowspan="1">
<taxonomicName id="340C8C478467D47475B878F59FD0E7D5" lsidName="I. utriforme" pageId="0" pageNumber="115" rank="species" species="utriforme">
<emphasis id="6BC27FE771790628D14660C19445B874" italics="true" pageId="0" pageNumber="115">I. utriforme</emphasis>
</taxonomicName>
</th>
<th id="0D26DBD1BDE3D18BFAFA58B19B6E9F3A" colspan="1" pageId="0" pageNumber="115" rowspan="1">
<taxonomicName id="3DB152987E90284251FAC6C722D4DA78" lsidName="I. forrestianum" pageId="0" pageNumber="115" rank="species" species="forrestianum">
<emphasis id="45ACDC24C7F43B4B05B4B951C7950AC1" italics="true" pageId="0" pageNumber="115">I. forrestianum</emphasis>
</taxonomicName>
</th>
<th id="2C825171905F2E09C883B89F02ABF592" colspan="1" pageId="0" pageNumber="115" rowspan="1">
<taxonomicName id="A276E28215F583F0F52F9EBCEA863BE1" lsidName="I. cucurbitoides" pageId="0" pageNumber="115" rank="species" species="cucurbitoides">
<emphasis id="1814B393FF44582BADBBC71EF5228876" italics="true" pageId="0" pageNumber="115">I. cucurbitoides</emphasis>
</taxonomicName>
</th>
<th id="C799D54F61BA7FC3D8E01E1BDB38398E" colspan="1" pageId="0" pageNumber="115" rowspan="1">
<taxonomicName id="E4A001D2DDBEABE0B09938E859E2A05B" lsidName="I. obliquum" pageId="0" pageNumber="115" rank="species" species="obliquum">
<emphasis id="7DB304878A39A4F433FBF6928FD649D9" italics="true" pageId="0" pageNumber="115">I. obliquum</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="7DC1580196B21C6FE18531B1CD3C8BBB" pageId="0" pageNumber="115">
<td id="5707F37178AB05EF61EBA13A690332D8" colspan="1" pageId="0" pageNumber="115" rowspan="1">Lamina</td>
<td id="530B51BF82B57F91B6155F3402262399" colspan="1" pageId="0" pageNumber="115" rowspan="1">
oblong-lanceolate, 6-20
<normalizedToken id="C94E22D4C223078028D794A09A6DA2F8" originalValue="×">x</normalizedToken>
1-7 cm, base auriculate, sinus 0.7-1.8 cm deep
</td>
<td id="CFB67BA6BE754F79BD3F777FCFA815A9" colspan="1" pageId="0" pageNumber="115" rowspan="1">
ovate-lanceolate, 10-17
<normalizedToken id="482A7A57C115231E1F43BD0D759BC2D0" originalValue="×">x</normalizedToken>
3-4 cm, base cordate, sinus 1-1.5 cm deep
</td>
<td id="77AA9ED193CC3EF18BE369193A317BBA" colspan="1" pageId="0" pageNumber="115" rowspan="1">
ovate to narrowly ovate, 7-21
<normalizedToken id="BA896E460251E9AD54E0F57BFC6067F9" originalValue="×">x</normalizedToken>
3-10.5 cm, base cordate, sinus 1.5-2 cm deep
</td>
<td id="08E23DAC2D3AFC07E459571A2F436476" colspan="1" pageId="0" pageNumber="115" rowspan="1">
trullate-lanceolate, ovate-lanceolate or lanceolate, 12-22
<normalizedToken id="97E7239A235495BE8800F83515D281E4" originalValue="×">x</normalizedToken>
2.5-4.5 cm, base auriculate, sinus 1-2 cm deep
</td>
<td id="CFFC4FEC1F5AD79D46BCB534CBE8A4E9" colspan="1" pageId="0" pageNumber="115" rowspan="1">
oblong-lanceolate to narrowly ovate, 12-16
<normalizedToken id="9762487AAE8EE632BA407420C7BCB965" originalValue="×">x</normalizedToken>
4-6.5 cm, base cordate, sinus 1-1.5 cm deep
</td>
</tr>
<tr id="0A4F9E093D9A6922A0D7DC2C90A194A2" pageId="0" pageNumber="115">
<td id="D806E838EF78711A51F35CE60D84B7FC" colspan="1" pageId="0" pageNumber="115" rowspan="1">Inflorescence and flower</td>
<td id="86CE37A3AAF46C2D09BF5AE31ACC113B" colspan="1" pageId="0" pageNumber="115" rowspan="1">flowers in axils of leafy shoots or, on older stems, solitary or in fascicles, each fascicle with 2-6 flowers</td>
<td id="C4E80ED871FB287804A8B15C3F4E7579" colspan="1" pageId="0" pageNumber="115" rowspan="1">flowers in axils of leafy hoots, solitary</td>
<td id="BBA20CC251F457384B64284FDB942E89" colspan="1" pageId="0" pageNumber="115" rowspan="1">flowers in axils of leafy shoots, solitary or, on older stems, solitary or in fascicles, each fascicle with 2-4 flowers</td>
<td id="2781FB9CEDC88528E68289300D90674B" colspan="1" pageId="0" pageNumber="115" rowspan="1">flowers in axils of leafy shoots, solitary</td>
<td id="43A833AF0BF11C176A39F510062C5C23" colspan="1" pageId="0" pageNumber="115" rowspan="1">flowers in axils of leafy shoots, solitary</td>
</tr>
<tr id="C54AAFD3FB821097D9DE786BB7200D77" pageId="0" pageNumber="115">
<td id="33272FFB6425A6C3A59D7AF054DE3E81" colspan="1" pageId="0" pageNumber="115" rowspan="1">Calyx outside</td>
<td id="9C664C47BE87498C707653F12578DECB" colspan="1" pageId="0" pageNumber="115" rowspan="1">light yellow</td>
<td id="1157696A43B2C7F75F93FE5B7ACE9918" colspan="1" pageId="0" pageNumber="115" rowspan="1">light yellow</td>
<td id="47E015559B436C4BEF72A14E836A26A3" colspan="1" pageId="0" pageNumber="115" rowspan="1">light brown or purple</td>
<td id="84A3717EF1834916AE7A64C4D2D631F4" colspan="1" pageId="0" pageNumber="115" rowspan="1">undocumented</td>
<td id="3927F62E67D5C87CC7FBD3E51F5F08A5" colspan="1" pageId="0" pageNumber="115" rowspan="1">yellowish white or pinky white</td>
</tr>
<tr id="C69308AD02F90251FDADE0E2B87517E0" pageId="0" pageNumber="115">
<td id="7BB5943E54109DD489327887A6353381" colspan="1" pageId="0" pageNumber="115" rowspan="1">Limb shape</td>
<td id="347614351A740C1A622075D937CBF404" colspan="1" pageId="0" pageNumber="115" rowspan="1">saccate, narrow-ovoid, asymmetric, forming acute angle with upper tube</td>
<td id="F7ED43AE05C1B88590AAB06B03A50BBE" colspan="1" pageId="0" pageNumber="115" rowspan="1">saccate, ovoid, slightly asymmetric, straight extended from upper tube</td>
<td id="91B4F59590A664CC87E9D24701B65012" colspan="1" pageId="0" pageNumber="115" rowspan="1">saccate, cylinder, asymmetric, forming almost right angle with upper tube</td>
<td id="6A2E6E17A6594670FE4D9C8C75455784" colspan="1" pageId="0" pageNumber="115" rowspan="1">cylindric, straight extended from upper tube</td>
<td id="D0E1F4AE65C7A3A75DC8442FD0F8F9F6" colspan="1" pageId="0" pageNumber="115" rowspan="1">not saccate or cylindric, forming right angle with upper tube</td>
</tr>
<tr id="831B3C4FDEE09E1CB0B59A6A9D1EB46A" pageId="0" pageNumber="115">
<td id="7878AD82178F9204E394C6D2AD73EE04" colspan="1" pageId="0" pageNumber="115" rowspan="1">Limb size</td>
<td id="E611945AFF42F06F4F01732CA0CF6049" colspan="1" pageId="0" pageNumber="115" rowspan="1">
2.5-3
<normalizedToken id="D0531FEF362CE103C6087CEFC664360A" originalValue="×">x</normalizedToken>
0.7-0.8 cm
</td>
<td id="F853B29C3910C3D3C0AB6B5FBA8170AF" colspan="1" pageId="0" pageNumber="115" rowspan="1">
1-2
<normalizedToken id="EB3FEEB76EEE8BAF261A633F4BD8B671" originalValue="×">x</normalizedToken>
0.5-1.5 cm
</td>
<td id="FADABC88CDEA1E30A511DE2FA24E1E17" colspan="1" pageId="0" pageNumber="115" rowspan="1">
6-8
<normalizedToken id="EC034BEA21665703606965D8AFD733DF" originalValue="×">x</normalizedToken>
1.5-2 cm
</td>
<td id="84CFD519E95B885B874D9D957D5240C2" colspan="1" pageId="0" pageNumber="115" rowspan="1">
2
<normalizedToken id="523C1CD7A50FCBD811ACF5A672E593CB" originalValue="×">x</normalizedToken>
0.2-0.3 cm
</td>
<td id="C78F34ACBCBC2A45D743F7ED1F343FC2" colspan="1" pageId="0" pageNumber="115" rowspan="1">
1.2-1.3
<normalizedToken id="AAB11B0F689D54E8D9676247A90C17D6" originalValue="×">x</normalizedToken>
0.8-0.9 cm
</td>
</tr>
<tr id="4CAFC35985FFCC42C9ED053CC86D0B1D" pageId="0" pageNumber="115">
<td id="47A89680805401BD329D8E5203A21E09" colspan="1" pageId="0" pageNumber="115" rowspan="1">Limb lobes</td>
<td id="1EA5EF4C365AC5CF6775058CB93A88F9" colspan="1" pageId="0" pageNumber="115" rowspan="1">3-lobed, upper part separated to the middle, lower part shallowly lobed, inside black purple, net-shaped protruding stripes</td>
<td id="F5508E2646A5929A9E6A63707DBB876B" colspan="1" pageId="0" pageNumber="115" rowspan="1">3-lobed, shallowly lobed, inside black purple, sparse processes</td>
<td id="D39BED6A2CBC847CB3841B7374A2F1AC" colspan="1" pageId="0" pageNumber="115" rowspan="1">3-lobed, upper part separated to middle, lower part shallowly lobed, inside black purple, densely spinous outgrowths</td>
<td id="79DA3BD009E76A5EF44FC798DEACEF04" colspan="1" pageId="0" pageNumber="115" rowspan="1">3-lobed, shallowly lobed, inside undocumented</td>
<td id="12AABD52BA62BCC45F959BC08FCBA8F2" colspan="1" pageId="0" pageNumber="115" rowspan="1">3-lobed, deeply lobed, slightly asymmetric, inside light brown, smooth</td>
</tr>
<tr id="BA7C8F91BCDA555FC3D52BD6164D647E" pageId="0" pageNumber="115">
<td id="43C6ACFF9342693B4A25923151DA52BB" colspan="1" pageId="0" pageNumber="115" rowspan="1">Throat</td>
<td id="B62C70454D5EB7DE465F8DD496579E00" colspan="1" pageId="0" pageNumber="115" rowspan="1">ca. 5 mm in diam.</td>
<td id="C61FC7B2DEA919E198C8C2683BD9B57D" colspan="1" pageId="0" pageNumber="115" rowspan="1">ca. 1 mm in diam.</td>
<td id="E9C4BEACBA5999DF889DDE1DAA2B9D21" colspan="1" pageId="0" pageNumber="115" rowspan="1">ca. 3 mm in diam.</td>
<td id="BF340173F1B50AC2C22D0BC183A21408" colspan="1" pageId="0" pageNumber="115" rowspan="1">ca. 1 mm in diam.</td>
<td id="2F4985A0B9FD9ECB0E6DC1C7902BB7DE" colspan="1" pageId="0" pageNumber="115" rowspan="1">ca. 6 mm in diam.</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection id="179D9040D09A5AD86D25B10C6EE7E7E4" pageId="0" pageNumber="115" type="description">
<paragraph id="4D6FE86FAD5461CF76355083E1AD0E99" pageId="0" pageNumber="115">Description.</paragraph>
<paragraph id="7A8623D4D3C0FC2A4989452FBB4F2528" pageId="0" pageNumber="115">
Woody liana. Stems terete, young shoots pubescent. Petioles 0.7-3.5 cm long, pubescent to almost glabrous; laminas oblong-lanceolate, 6-20
<normalizedToken id="F0513F0D8A9AFF360D3ED1E6B4050DED" originalValue="×">x</normalizedToken>
1-7 cm, adaxially almost glabrous, abaxially villous, base auriculate, sinus 0.7-1.8 cm deep, apex acute, margin entire; basal veins 2-3 pairs, palmate, 2-3 pairs from base, lateral veins 12-18 pairs, pinnate. Flowers in axils of leafy shoots or, on older stems, solitary or in fascicles, each fascicle with 2-6 flowers; pedicels 1.5-4 cm, pubescent partly villous; bracteole 1, lanceolate, 2-5
<normalizedToken id="8EEB11245E13C84DDF243948AC49FF91" originalValue="×">x</normalizedToken>
1-2 mm, adaxially glabrous, abaxially densely villous, inserted below the middle of pedicel. Calyx tube geniculately curved, outside light yellow, abaxially sparsely pubescent partly villous; basal tube 1.8-2.5
<normalizedToken id="5C6CF28005778AD4E0721EFC745D83BC" originalValue="×">x</normalizedToken>
0.5-0.6 cm, inside black purple, densely villous at base; upper tube 1.3-1.6
<normalizedToken id="7CE28022EA2A6D01FD10490CE3A49365" originalValue="×">x</normalizedToken>
0.6-0.8 cm, inside black purple at base, light yellow towards apex, light red at upper part; limb saccate, narrow-ovoid, asymmetric, forming acute angle with upper part of the tube, 2.5-3
<normalizedToken id="E17DF71786456A1EBF8DCEE1ACC9440B" originalValue="×">x</normalizedToken>
0.7-0.8 cm, 3-lobed, upper part separated to the middle, lower part shallowly lobed, upper two lobes triangular-lanceolate, 1.2-1.5
<normalizedToken id="C9E14F8D3A20CC9A5184F390F0DAC4D2" originalValue="×">x</normalizedToken>
0.4-0.5 cm, lower lobe triangle, 0.4-0.7
<normalizedToken id="D4F6FFABF706B67A8E0A3F8E1D2097E3" originalValue="×">x</normalizedToken>
0.4-0.5 cm, inside black purple, net-shaped protruding stripes; throat ca. 5 mm in diam. Anthers 6, oblong, ca. 1.5 mm long, adnate in 3 pairs to base of gynostemium, opposite to lobes. Gynostemium ca. 2.7
<normalizedToken id="8153EA0DD24A8DF453CBDD34675A97B7" originalValue="×">x</normalizedToken>
2.5 mm, 3-lobed. Ovary terete, ca. 10 mm long, densely villous. Capsule obovate-elliptic, ca. 4.5
<normalizedToken id="B279B858C3F75E03954176A1F7EC301E" originalValue="×">x</normalizedToken>
2 cm. Seeds obovate-elliptic, ca. 5
<normalizedToken id="49DC7888C47EFA676E7C4C5E56D54952" originalValue="×">x</normalizedToken>
4 mm, not winged, the adaxial surface deeply concave and the abaxial surface convex, both surfaces glabrous.
</paragraph>
</subSubSection>
<subSubSection id="AC53A05DDE2DF006E0ADB008167EB816" pageId="0" pageNumber="115" type="phenology">
<paragraph id="6CE1ED200DB5363C482B3DA7809E70E0" pageId="0" pageNumber="115">Phenology.</paragraph>
<paragraph id="E4601A4844505961221EADEC30F82C7F" pageId="0" pageNumber="115">Flowering from April to May, fruiting is predicted from July to August (we have seen is just two residual fruit from last year).</paragraph>
</subSubSection>
<subSubSection id="D148A65E4EEFD3B5D6A46BED39FDF2F4" pageId="0" pageNumber="115" type="etymology">
<paragraph id="1C71856F4F1491580214B8DDDFB0B86B" pageId="0" pageNumber="115">Etymology.</paragraph>
<paragraph id="6D970CCBE46754550429DEC7E34BAC8B" pageId="0" pageNumber="115">
The specific epithet derives from the type locality, The Cangshan Mountain, Yangbi County, western Yunnan, south-western China. The Chinese name is given as
<normalizedToken id="B2F47F1FF1C707AC34A9A74252CB0E28" originalValue="“苍山关木通”">&quot;苍山关木通&quot;</normalizedToken>
.
</paragraph>
</subSubSection>
<subSubSection id="6C226461703C18590E88DA3FA1B800ED" pageId="0" pageNumber="115" type="distribution">
<paragraph id="47377D036E05BC23B44BEC7157887BFF" pageId="0" pageNumber="115">Distribution and habitat.</paragraph>
<paragraph id="B756710765302702C77C9128BA6BE19F" pageId="0" pageNumber="115">
The new species is currently known only from the Cangshan Mountain, Yangbi County, Yunnan, China. It grows in forests at an elevation between 2239 m and 2379 m, together with
<taxonomicName id="B7F3E4E07B8B541B2804AFCB01DD2DB7" class="Dicotyledoneae" family="Fagaceae" genus="Castanopsis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Castanopsis" order="Fagales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="genus">
<emphasis id="EB1FA30A69E2D8EE44AA66B35D54374B" italics="true" pageId="0" pageNumber="115">Castanopsis</emphasis>
</taxonomicName>
sp. (
<taxonomicName id="2ACD76534DF3EE51D1D39C3EDED31D1F" class="Dicotyledoneae" family="Fagaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Fagales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="family">Fagaceae</taxonomicName>
),
<taxonomicName id="EB4670EF8434AFFFA4F90E8B0D31745F" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Disporum" order="Liliales" pageId="0" pageNumber="115" phylum="Magnoliophyta" rank="genus">
<emphasis id="54CD9C2CB65282BD602895A8F7536E93" italics="true" pageId="0" pageNumber="115">Disporum</emphasis>
</taxonomicName>
sp. (
<taxonomicName id="1C85CA29ADFB005AD8FCB063118391F8" class="Liliopsida" family="Colchicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Liliales" pageId="0" pageNumber="115" phylum="Magnoliophyta" rank="family">Colchicaceae</taxonomicName>
),
<taxonomicName id="0D484B3F32867AA8295B0ACF5F202558" class="Dicotyledoneae" family="Lamiaceae" genus="Notochaete" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Notochaete hamosa" order="Tubiflorae" pageId="0" pageNumber="115" phylum="Angiospermae" rank="species" species="hamosa">
<emphasis id="EB78692B071F013834D4A5DCCB883F74" italics="true" pageId="0" pageNumber="115">Notochaete hamosa</emphasis>
</taxonomicName>
Benth. (
<taxonomicName id="2C8CDB6F8F49089251BB6EAD26200D2D" class="Dicotyledoneae" family="Lamiaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Tubiflorae" pageId="0" pageNumber="115" phylum="Angiospermae" rank="family">Lamiaceae</taxonomicName>
),
<taxonomicName id="5621B5EF62AD63D957C001E824DF4D87" class="Dicotyledoneae" family="Rosaceae" genus="Photinia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Photinia" order="Rosales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="genus">
<emphasis id="497230BB5475556F88C3253665AFE575" italics="true" pageId="0" pageNumber="115">Photinia</emphasis>
</taxonomicName>
Lindl. (
<taxonomicName id="617A57469316963A52C13F39095A89A1" class="Dicotyledoneae" family="Rosaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Rosales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="family">Rosaceae</taxonomicName>
),
<taxonomicName id="2E84BC10FA5ABAF53996D0E05E9D2550" class="Dicotyledoneae" family="Rosaceae" genus="Rubus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rubus" order="Rosales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="genus">
<emphasis id="80E8F6570C110C695C31371694F53EDE" italics="true" pageId="0" pageNumber="115">Rubus</emphasis>
</taxonomicName>
sp. (
<taxonomicName id="D04122C682ADD5EE0DCCBB960A9C7FE6" class="Dicotyledoneae" family="Rosaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Rosales" pageId="0" pageNumber="115" phylum="Angiospermae" rank="family">Rosaceae</taxonomicName>
) etc.
</paragraph>
</subSubSection>
<subSubSection id="DC9C154DEEF0627B071D2F7AA5BFC90D" pageId="0" pageNumber="115" type="iucn red list category">
<paragraph id="10EC35D88390FE096BBD3C25B4B921F0" pageId="0" pageNumber="115">IUCN Red List category.</paragraph>
<paragraph id="A8324AAF2D2FD649992B0A8A20B9A6F5" pageId="0" pageNumber="115">
Since
<taxonomicName id="8B937658FDD75ABE91AAFE483497B9F5" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="588586EB93F5A8481C8CCE3342A5611F" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
is known from one population only, with fewer than ten individuals, the new species is assigned a preliminary status of Vulnerable (VU D2) according to IUCN Red List Criteria (
<bibRefCitation id="0FC3E1B7C8A95355738B994BC681D1D3" author="IUCN" journalOrPublisher="5. Science Press, Beijing &amp; Missouri Botanical Garden Press, St. Louis" pageId="0" pageNumber="115" refId="B17" refString="IUCN, 2012. IUCN Red List Categories and Criteria, Version 3.1 (2nd edn). Gland and Cambridge, 32 pp." title="IUCN Red List Categories and Criteria, Version 3.1 (2 nd edn). Gland and Cambridge, 32 pp." year="2012">IUCN 2012</bibRefCitation>
), indicating a population with a very restricted area of occupancy (typically less than 20 km2) or number of locations (typically five or fewer). Although the area is under protection as a national nature reserve, habitat disturbance brought about by human activities, such as grazing and felling, may have a negative impact on the new species.
</paragraph>
</subSubSection>
<subSubSection id="A3EC6E4858AB874504C1B06C22A6F31F" pageId="0" pageNumber="115" type="materials_examined">
<paragraph id="F255F30338C2CE81DAEA3881FE2BCBEB" pageId="0" pageNumber="115">Specimens examined (Paratypes).</paragraph>
<paragraph id="8B8B2BDACA2579732E7207EAA0DF539B" pageId="0" pageNumber="115">
<emphasis id="C4F4E0453600D5AF0C98B1ACDFB92A6B" bold="true" pageId="0" pageNumber="115">China. Yunnan</emphasis>
: Yangbi County, The Cangshan Mountain, 2300 m a.s.l., 23 April 2019,
<emphasis id="AE4551FFBAC73445F271096376F064CD" italics="true" pageId="0" pageNumber="115">X. X. Zhu et al. ZXX19354</emphasis>
(CSH!); the same location, 2379 m a.s.l., 23 April 2019,
<emphasis id="9519377AA1FA35F3835CF181A9AEC372" italics="true" pageId="0" pageNumber="115">X. X. Zhu et al. ZXX19355</emphasis>
(CSH!).
</paragraph>
<caption id="836FD3CB28366AE7676DBDBC5CCA978F" doi="10.3897/phytokeys.134.37243.figure3" httpUri="https://binary.pensoft.net/fig/349318" pageId="0" pageNumber="115" start="Figure 3" startId="F3">
<paragraph id="8A3D6FBEA5E3B5C23D307BB98E726795" pageId="0" pageNumber="115">
<emphasis id="839847A81B9BE2F6FE3C1EA665F8F3E1" bold="true" pageId="0" pageNumber="115">Figure 3.</emphasis>
Holotype of
<taxonomicName id="2EF25CF4FF566C3E7FEC7567CC4CC77A" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="AADB73B5EB99C5B805064BBC1F929120" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
X. X.Zhu, H.L.Zheng &amp; J.S.Ma, sp. nov. (CSH-0164770).
</paragraph>
</caption>
<caption id="5B3069D6016B34EAD13EA4243152E13E" doi="10.3897/phytokeys.134.37243.figure4" httpUri="https://binary.pensoft.net/fig/349319" pageId="0" pageNumber="115" start="Figure 4" startId="F4">
<paragraph id="B7F735CF692BE6322E72C3F7E76B53CA" pageId="0" pageNumber="115">
<emphasis id="9E4720F9A77D3A4FB0556DECB866F19F" bold="true" pageId="0" pageNumber="115">Figure 4.</emphasis>
<emphasis id="A1BE3BF304C8943C01EA46A56090A883" bold="true" pageId="0" pageNumber="115">
<normalizedToken id="000D7C32C9ED43C8A89BF56F41A2C2A0" originalValue="AC">A-C</normalizedToken>
</emphasis>
<taxonomicName id="5E79EE2F30E9EDFADB57D6945AB0EE73" authorityName="X. X. Zhu, H. L. Zheng &amp; J. S. Ma" authorityYear="2019" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema cangshanense" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="cangshanense">
<emphasis id="CF561DF9FC66C5A842345A0707050D4C" italics="true" pageId="0" pageNumber="115">Isotrema cangshanense</emphasis>
</taxonomicName>
X.X.Zhu, H.L.Zheng &amp; J.S.Ma, sp. nov.
<emphasis id="E8FAB33BF7C32FD4EC13AFB2349A213B" bold="true" pageId="0" pageNumber="115">A</emphasis>
leaves
<emphasis id="D4120E3B484733A3C87353EB2B60D733" bold="true" pageId="0" pageNumber="115">B</emphasis>
flower (lateral view)
<emphasis id="F337E10AB3FB1271BA611D26D65942FA" bold="true" pageId="0" pageNumber="115">C</emphasis>
longitudinal section of flower (showing the inside structure)
<emphasis id="0BC4628285EF4C27EAA2C0E1B2585E57" bold="true" pageId="0" pageNumber="115">
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</emphasis>
<taxonomicName id="2DCB4EA6088D28EB703A6E13909A761C" class="Magnoliopsida" family="Aristolochiaceae" genus="Isotrema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isotrema utriforme" order="Piperales" pageId="0" pageNumber="115" phylum="Tracheophyta" rank="species" species="utriforme">
<emphasis id="458AC138561B967713374094AE111496" italics="true" pageId="0" pageNumber="115">Isotrema utriforme</emphasis>
</taxonomicName>
(S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma
<emphasis id="5ED7BEEEC73CCAEA094D32FF35370E7B" bold="true" pageId="0" pageNumber="115">D</emphasis>
leaves
<emphasis id="6BCF51927F24117F8234CCCB0B52BD3B" bold="true" pageId="0" pageNumber="115">E</emphasis>
flower (lateral view)
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longitudinal section of flower (showing the inside structure)
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<taxonomicName id="81683C9840BB3C832D29F1CD7EB33C00" lsidName="I. forrestianum" pageId="0" pageNumber="115" rank="species" species="forrestianum">
<emphasis id="E56BBE791189E8B296B741DBB0F899D4" italics="true" pageId="0" pageNumber="115">I. forrestianum</emphasis>
</taxonomicName>
(J. S. Ma) X. X. Zhu, S. Liao &amp; J. S. Ma
<emphasis id="4B1265D7488FF10D63B33F8CF399280D" bold="true" pageId="0" pageNumber="115">G</emphasis>
leaves
<emphasis id="E6CD47C81918C061C39275ECC3988633" bold="true" pageId="0" pageNumber="115">H</emphasis>
flower (lateral view)
<emphasis id="D3A94911211B1BEFC47C27286EFF093A" bold="true" pageId="0" pageNumber="115">I</emphasis>
longitudinal section of flower (showing the inside structure)
<emphasis id="14EC9583724C8D916473235121DAA919" bold="true" pageId="0" pageNumber="115">
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</emphasis>
<taxonomicName id="D7E8F5ADAFF787A3DD017F388105FBDF" lsidName="I. obliquum" pageId="0" pageNumber="115" rank="species" species="obliquum">
<emphasis id="5A5F70A458A4978D3E82B1D225F3D4C5" italics="true" pageId="0" pageNumber="115">I. obliquum</emphasis>
</taxonomicName>
(S. M. Hwang) X. X. Zhu, S. Liao &amp; J. S. Ma
<emphasis id="5B3D3AE2677ABF9FBE9806AA57AAEA80" bold="true" pageId="0" pageNumber="115">J</emphasis>
leaves
<emphasis id="C026744DA2E22EBC748AF020C9A3724B" bold="true" pageId="0" pageNumber="115">K</emphasis>
flower (lateral view)
<emphasis id="355E19664D0AC14E8EA8DE85DB30789C" bold="true" pageId="0" pageNumber="115">L</emphasis>
longitudinal section of flower (showing the inside structure).
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,
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</emphasis>
Photographed by Xinxin Zhu
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</emphasis>
photographed by Lei Cai;
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</emphasis>
photographed by Yuan Wang.
</paragraph>
</caption>
</subSubSection>
</treatment>
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