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<document ID-CLB-Dataset="9714" ID-DOI="http://dx.doi.org/10.3897/phytokeys.164.54927" ID-GBIF-Dataset="97574cca-abcd-4190-960c-7cb1b404d74f" ID-PMC="PMC7593316" ID-Pensoft-Pub="1314-2003-164-11" ID-Pensoft-UUID="ED9178B0974353519ED63285B0E84DF0" ID-PubMed="33173401" ModsDocID="1314-2003-164-11" checkinTime="1603326337229" checkinUser="pensoft" docAuthor="Gui, Ling-Jian, Wen, Jun, Xiao, Yan-Ping, Ren, Ting, Zheng, Hong-Yi &amp; He, Xing-Jin" docDate="2020" docId="EBC931842E95552FA3A15903F41598E5" docLanguage="en" docName="PhytoKeys 164: 11-19" docOrigin="PhytoKeys 164" docSource="http://dx.doi.org/10.3897/phytokeys.164.54927" docTitle="Tongoloa arguta L. J. Gui &amp; X. J. He 2020, sp. nov." docType="treatment" docVersion="6" id="ED9178B0974353519ED63285B0E84DF0" lastPageNumber="11" masterDocId="ED9178B0974353519ED63285B0E84DF0" masterDocTitle="Tongoloa arguta (Apiaceae), a new species from southwest China" masterLastPageNumber="19" masterPageNumber="11" pageNumber="11" updateTime="1732879418279" updateUser="ExternalLinkService">
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<mods:title id="8E70D3DE3EFF1F8676F9965190E23FED">Tongoloa arguta (Apiaceae), a new species from southwest China</mods:title>
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<mods:namePart id="91474EA7241E57A543B9434467D17B96">Gui, Ling-Jian</mods:namePart>
<mods:affiliation id="9F6B48199E3A951BE021B9DE9CF18F15">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
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<mods:namePart id="8D5B0D547DE43E0A28ECF13BF2BB29D4">Wen, Jun</mods:namePart>
<mods:affiliation id="9009EEE29C70C76A85DA2E8A74CC111E">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
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<mods:namePart id="DDDD676C6818EFE34B1E0CC98985F02E">Xiao, Yan-Ping</mods:namePart>
<mods:affiliation id="EE66EBC1C9C63D1A81395597665FB894">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
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<mods:namePart id="94DFD49B63672DE90BB00226E4148FFE">Ren, Ting</mods:namePart>
<mods:affiliation id="B61FB0F6B1129D01F6061601BBE303C8">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
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<mods:namePart id="45C06CDC29D6BCDD37EF7945DB43F732">Zheng, Hong-Yi</mods:namePart>
<mods:affiliation id="2BDDA0DD45D607B883AF722F7D5B6765">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
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<mods:namePart id="83E3446198BF39E5CD2F5FCC1092224F">He, Xing-Jin</mods:namePart>
<mods:affiliation id="4D04186E9734CE49EBA868000A854872">Key laboratory of Bio-Resources and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, 610065, Chengdu, Sichuan, China</mods:affiliation>
<mods:nameIdentifier id="18E0C7D799013ACED2CEAC751517541B" type="email">xjhe@scu.edu.cn</mods:nameIdentifier>
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<mods:date id="DD74CA8209A5400BC36C77F3010E030B">2020</mods:date>
<mods:detail id="2763FF676AD5D98B3CE2DCEF377B4E09" type="volume">
<mods:number id="137B8A2FF829B7D6CED053BBBCE94D93">164</mods:number>
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<mods:classification id="78F7DE707102B752D57911C787D413B3">journal article</mods:classification>
<mods:identifier id="511FCD0A6D00446318DA4AAE537DD183" type="DOI">http://dx.doi.org/10.3897/phytokeys.164.54927</mods:identifier>
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<treatment id="EBC931842E95552FA3A15903F41598E5" ID-GBIF-Taxon="168507807" LSID="urn:lsid:plazi:treatment:EBC931842E95552FA3A15903F41598E5" httpUri="http://treatment.plazi.org/id/EBC931842E95552FA3A15903F41598E5" lastPageNumber="11" pageId="0" pageNumber="11" scope_family="Apiaceae">
<subSubSection id="03B7005F29269FCCDDDBD6190000DDAA" pageId="0" pageNumber="11" type="nomenclature">
<paragraph id="8E07422CF3F36CD321B76FFB4CE6F6A3" pageId="0" pageNumber="11">
<taxonomicName id="E01548A61417AA42C7A0E4F5BA0A0664" ID-CoL="7Z65G" LSID="EBC93184-2E95-552F-A3A1-5903F41598E5" authority="L. J. Gui &amp; X. J. He" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta" status="sp. nov.">Tongoloa arguta L.J.Gui &amp; X.J.He</taxonomicName>
<taxonomicNameLabel id="023D454AA3DE2BF90A43B3283CEEE44C" pageId="0" pageNumber="11">sp. nov.</taxonomicNameLabel>
<figureCitation id="A9E19C7A41B93E007D331A78C2A02EF0" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Tongoloa arguta sp. nov. A species habitat (Mt. Jianziwanshan, Sichuan, China) B plant in the bush surrounded by snow C plant D-F roots G, H basal leaf, ventral and dorsal view I membranous sheath of basal leaves J middle leaf K upper leaf with membranous petiole L umbel and bract M-O flowers; P-R fruits S mericarp transverse section." figureDoi="10.3897/phytokeys.164.54927.figure2" httpUri="https://binary.pensoft.net/fig/465407" pageId="0" pageNumber="11">Figs 2</figureCitation>
<figureCitation id="064814E49BF211257F3DFA33004084E8" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Tongoloa arguta sp. nov. A habit B root C basal leaf blade D leaf-like bract, only appears in some individuals E flower F fruit G mericarp transverse section. Drawn by Bing-yan Chen." figureDoi="10.3897/phytokeys.164.54927.figure3" httpUri="https://binary.pensoft.net/fig/465408" pageId="0" pageNumber="11">, 3</figureCitation>
,
<figureCitation id="F3B5038C50B63076A49FF66CAEA9D566" captionStart="Table 2" captionStartId="T2" captionText="Table 2. Morphological comparison between Tongoloa arguta and similar species." pageId="0" pageNumber="11">Table 2</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="A8D697C58E93671C5FFB64418810A638" pageId="0" pageNumber="11" type="materials_examined">
<paragraph id="7D15E3E421D9EB7D1260B95BC000D733" pageId="0" pageNumber="11">Type.</paragraph>
<paragraph id="47C89C98BC701E4608D83526101A641A" pageId="0" pageNumber="11">
China. Sichuan: Kangding, Zheduoshan Pass, 4300 m alt.,
<geoCoordinate id="F8D26EA098D08555C6C4A62F39B44DE8" degrees="30" direction="north" minutes="4" orientation="latitude" precision="925" value="30.066668">30°4'N</geoCoordinate>
,
<geoCoordinate id="EE52A2D81EE689782424209026F11BFF" degrees="101" direction="east" minutes="48" orientation="longitude" precision="925" value="101.8">101°48'E</geoCoordinate>
, 26 Sep 2019,
<emphasis id="1D5C29F52593BE3377C843A262CF2C02" italics="true" pageId="0" pageNumber="11">Lingjian Gui GLJ19092601</emphasis>
(
<emphasis id="194A442BF9CE63F49A7F48FA8D35BF91" bold="true" italics="true" pageId="0" pageNumber="11">holotype</emphasis>
: SZ).
</paragraph>
<caption id="E615F9CAA816C37E8ADB8ACBA25B44B0" doi="10.3897/phytokeys.164.54927.figure2" httpUri="https://binary.pensoft.net/fig/465407" pageId="0" pageNumber="11" start="Figure 2" startId="F2">
<paragraph id="875F842A2C1E61BBA7DCE0F9055DEC63" pageId="0" pageNumber="11">
<emphasis id="414F65AE14EEC54F53EB6E2B933796FA" bold="true" pageId="0" pageNumber="11">Figure 2.</emphasis>
<taxonomicName id="18E6D1832DFB5023F7C7FD0EF22A73F2" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="4911EF3B03A0BCB35E34952D475D93EB" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="510216C5619E7A84F896D8786400F4B2" bold="true" pageId="0" pageNumber="11">A</emphasis>
species habitat (Mt. Jianziwanshan, Sichuan, China)
<emphasis id="96022B911FC060ACABFD8897F871DDF7" bold="true" pageId="0" pageNumber="11">B</emphasis>
plant in the bush surrounded by snow
<emphasis id="A8B5F9BC65A4E4995026FC16E88C5599" bold="true" pageId="0" pageNumber="11">C</emphasis>
plant
<emphasis id="95D2FE6F74CE6D1057BB98698D3456A4" bold="true" pageId="0" pageNumber="11">D-F</emphasis>
roots
<emphasis id="2E08B32AF1CDE90C60EBB596F2EA916A" bold="true" pageId="0" pageNumber="11">G, H</emphasis>
basal leaf, ventral and dorsal view
<emphasis id="1F7456F10CFF84A70A4EA6AEF1DAEFB5" bold="true" pageId="0" pageNumber="11">I</emphasis>
membranous sheath of basal leaves
<emphasis id="C348A49D3D09A78A61CC1C7EC13A1BBB" bold="true" pageId="0" pageNumber="11">J</emphasis>
middle leaf
<emphasis id="CC246907338E626F18BBFF515E3CB687" bold="true" pageId="0" pageNumber="11">K</emphasis>
upper leaf with membranous petiole
<emphasis id="48F1C20E6E12D1992398D6F32C010ED3" bold="true" pageId="0" pageNumber="11">L</emphasis>
umbel and bract
<emphasis id="5F3E2DC2661922350F02DA41A75A9579" bold="true" pageId="0" pageNumber="11">M-O</emphasis>
flowers;
<emphasis id="B779772FECDCD9161EE9C9FFE63A00F4" bold="true" pageId="0" pageNumber="11">P-R</emphasis>
fruits
<emphasis id="D47DFC90B02DB14D4014CCC6E0210DA2" bold="true" pageId="0" pageNumber="11">S</emphasis>
mericarp transverse section.
</paragraph>
</caption>
<caption id="BEEE3928288F1E917DBE75B8E5320007" ID-Table-UUID="BEEE3928288F1E917DBE75B8E5320007" httpUri="http://table.plazi.org/id/BEEE3928288F1E917DBE75B8E5320007" pageId="0" pageNumber="11" start="Table 2" startId="T2">
<paragraph id="7749C0E23F68E96BEF6F9C3329FD0CB4" pageId="0" pageNumber="11">
<emphasis id="EBECCBD1EEDCE48D81B56BAF1EC1D551" bold="true" pageId="0" pageNumber="11">Table 2.</emphasis>
Morphological comparison between
<taxonomicName id="676DA92831F9DCC4785958928623900D" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="8D9D8712AD7022A2DD84E597C0D46F53" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
and similar species.
</paragraph>
</caption>
<paragraph id="ABA1C8BE8327E5E30BE7705EF0E7557D" pageId="0" pageNumber="11">
<table id="D98D35AF3E374AFFF7026A4858FB6E45" pageId="0" pageNumber="11">
<tr id="4223225C258125AA0DE5A89BFDEAE4CE" pageId="0" pageNumber="11">
<th id="EECA43EF7B07F5CF8AA263A0B406407C" colspan="1" pageId="0" pageNumber="11" rowspan="1">Characters</th>
<th id="25B8F0DDE6F8339AC57FAAEB20123961" colspan="1" pageId="0" pageNumber="11" rowspan="1">
<taxonomicName id="FECAECDE42993FD4AFDF475A5850AD43" lsidName="T. arguta" pageId="0" pageNumber="11" rank="species" species="arguta">
<emphasis id="5646474E2FA2685CA8727BBB2C07CDB9" italics="true" pageId="0" pageNumber="11">T. arguta</emphasis>
</taxonomicName>
</th>
<th id="903A21B0A1AFE3E49F46DF3E9A94CB57" colspan="1" pageId="0" pageNumber="11" rowspan="1">
<taxonomicName id="260A3A2D91A67304B0DE511EE76EAD5F" lsidName="T. silaifolia" pageId="0" pageNumber="11" rank="species" species="silaifolia">
<emphasis id="778E992508F5D917FC0A940F633979EA" italics="true" pageId="0" pageNumber="11">T. silaifolia</emphasis>
</taxonomicName>
</th>
<th id="B2EB00F879E4FF15AABE4375AB8FF737" colspan="1" pageId="0" pageNumber="11" rowspan="1">
<taxonomicName id="E81AF33BC897B77F900534A9E57C6572" lsidName="T. elata" pageId="0" pageNumber="11" rank="species" species="elata">
<emphasis id="3A7912D8A6F0C7A5488F6538D8D93DCF" italics="true" pageId="0" pageNumber="11">T. elata</emphasis>
</taxonomicName>
</th>
<th id="DD531F44382A3840AECBC0CD6386D70E" colspan="1" pageId="0" pageNumber="11" rowspan="1">
<taxonomicName id="038CE08D140ADE508F297EF14F5DDD3D" lsidName="T. gracilis" pageId="0" pageNumber="11" rank="species" species="gracilis">
<emphasis id="15F8F36B4509A92E824D2979C96BD74A" italics="true" pageId="0" pageNumber="11">T. gracilis</emphasis>
</taxonomicName>
</th>
</tr>
<tr id="1DB2E8D8A3878486D55C7AF806C0AE12" pageId="0" pageNumber="11">
<td id="37BB9DF3EC52897ACC096ED44B41704A" colspan="1" pageId="0" pageNumber="11" rowspan="1">Height</td>
<td id="D8790E268A9FDCCF3158AF0F1EE1C03C" colspan="1" pageId="0" pageNumber="11" rowspan="1">10-50 cm</td>
<td id="BB71B3CED236F4B18E09B4B4C8E5EA91" colspan="1" pageId="0" pageNumber="11" rowspan="1">28-60 cm</td>
<td id="BD6B5EC0F55B346EDDC096F5694A7F8D" colspan="1" pageId="0" pageNumber="11" rowspan="1">20-75 cm</td>
<td id="2E389DF863C900B9B96E0EA89CA5D211" colspan="1" pageId="0" pageNumber="11" rowspan="1">25-75 cm</td>
</tr>
<tr id="28E4682FA4531F1A59876B521BD0FC73" pageId="0" pageNumber="11">
<td id="2DCA592B78C621059A102998469762EA" colspan="1" pageId="0" pageNumber="11" rowspan="1">Root</td>
<td id="61690FC5B4E95B748612354775EE2F7C" colspan="1" pageId="0" pageNumber="11" rowspan="1">long-conic</td>
<td id="A1F3F6E7B2AC74137302434D47580F9F" colspan="1" pageId="0" pageNumber="11" rowspan="1">conic</td>
<td id="1CE80A03B6F3DD53600D1A41D08C9000" colspan="1" pageId="0" pageNumber="11" rowspan="1">conic</td>
<td id="2D49F3CDEB79B2F620821263CF80CF22" colspan="1" pageId="0" pageNumber="11" rowspan="1">slender</td>
</tr>
<tr id="12273C29CBC648DCD3AC90367862E3C9" pageId="0" pageNumber="11">
<td id="7C9818A2043766324FDABF12782E405F" colspan="1" pageId="0" pageNumber="11" rowspan="1">Stem</td>
<td id="0B6AD8E0CB869751716F5B4C1FE990C6" colspan="1" pageId="0" pageNumber="11" rowspan="1">purplish</td>
<td id="8A03D6E8B05D38D0B235EDE671A50C4E" colspan="1" pageId="0" pageNumber="11" rowspan="1">purplish</td>
<td id="2F544915ADD6DEB3084B75D6F5E5F9BB" colspan="1" pageId="0" pageNumber="11" rowspan="1">purplish</td>
<td id="28D8522B1B0382B9CF671D54D4FD2F8C" colspan="1" pageId="0" pageNumber="11" rowspan="1">purplish</td>
</tr>
<tr id="74ED31EAB2D2751D6A4D43C5AD80AEFE" pageId="0" pageNumber="11">
<td id="6F1786EB82EB635D5DABD73505E91470" colspan="1" pageId="0" pageNumber="11" rowspan="1">Lower leaves</td>
<td id="77E928D70964E8E4E0B9B26E04FB7C2B" colspan="1" pageId="0" pageNumber="11" rowspan="1">2-3-ternate/pinnate, ultimate segments lanceolate, 1-4 mm, apex acute</td>
<td id="D1B040252A5F0591435777245193A6AA" colspan="1" pageId="0" pageNumber="11" rowspan="1">2-3-ternate/pinnate, ultimate segments linear, 5-18 mm, apex acute</td>
<td id="221CE6EAEFED8684148A25C097EE9BEB" colspan="1" pageId="0" pageNumber="11" rowspan="1">3-4-ternate/pinnate, ultimate segments linear, 5-15 mm</td>
<td id="0874CC8937DEE5BAA77D86C53788C966" colspan="1" pageId="0" pageNumber="11" rowspan="1">3-ternate/pinnate, ultimate segments linear-lanceolate, 3-15 mm</td>
</tr>
<tr id="DF280C298C3C6546707C53D70A269AB2" pageId="0" pageNumber="11">
<td id="0EB8A45064A7333CB688F0E609B8D8F0" colspan="1" pageId="0" pageNumber="11" rowspan="1">Bracts</td>
<td id="4F56C418F7DE33AD41776FF5D80BB18A" colspan="1" pageId="0" pageNumber="11" rowspan="1">often absent, sometimes 1, leaf-like</td>
<td id="D5AC70B5960DA626FFC58C8FD08F20DE" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
<td id="AEADDC6B3DC33CAE1A7D45E059A2A1DD" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
<td id="7D692614BEA5622A90EBC0F1A01D6FBF" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
</tr>
<tr id="65361ED346335EA240FF26A2C5225B46" pageId="0" pageNumber="11">
<td id="29B321A9A447BFD434874336CB563148" colspan="1" pageId="0" pageNumber="11" rowspan="1">Bracteoles</td>
<td id="7577FEEFEE17ED0426B1C7AE3E1AF461" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
<td id="C76A7BFB67E2150878712F38A261B810" colspan="1" pageId="0" pageNumber="11" rowspan="1">usually absent or 1-5, linear</td>
<td id="BE20ED6AC69BB5ED35CC756B3E2FBFA7" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
<td id="57B300E2EC29D5C0611DFC22A8FE9FC5" colspan="1" pageId="0" pageNumber="11" rowspan="1">absent</td>
</tr>
<tr id="43EFE1333A21A45574C53A20E4698547" pageId="0" pageNumber="11">
<td id="95D67E377808A613EEF50DE5720170EA" colspan="1" pageId="0" pageNumber="11" rowspan="1">Rays</td>
<td id="F8C6E7DD1383B820C678DA43F8192B07" colspan="1" pageId="0" pageNumber="11" rowspan="1">3-8</td>
<td id="0CCE5A2731FD367DDA9DE4A78CE3EF1D" colspan="1" pageId="0" pageNumber="11" rowspan="1">8-22</td>
<td id="B4F5CE26A4B54CE2CBC7C731AC4E5325" colspan="1" pageId="0" pageNumber="11" rowspan="1">6-16</td>
<td id="F18BA2265137036B2D282AFE325CBAD4" colspan="1" pageId="0" pageNumber="11" rowspan="1">5-11</td>
</tr>
<tr id="57B8319C09ADE86FABB0694570E7BB42" pageId="0" pageNumber="11">
<td id="56ED038B2192510B994924259D1F2FAE" colspan="1" pageId="0" pageNumber="11" rowspan="1">Petal</td>
<td id="43EA8C6A44AB0A3246D062565E29644B" colspan="1" pageId="0" pageNumber="11" rowspan="1">apex obtuse</td>
<td id="90705ECE3761FC62BA743B063BA3A840" colspan="1" pageId="0" pageNumber="11" rowspan="1">apex obtuse</td>
<td id="ADE90C4B30CBB43D9B63A99B07FECC69" colspan="1" pageId="0" pageNumber="11" rowspan="1">apex obtuse-rounded</td>
<td id="D889E66A7012FAA59EF3B32D27FE9063" colspan="1" pageId="0" pageNumber="11" rowspan="1">apex with incurved tips</td>
</tr>
<tr id="6FB5459887F6A7285EAFA1E8C5B5C3F7" pageId="0" pageNumber="11">
<td id="8FC0FA649CA29FD241EFBCA292DAEF09" colspan="1" pageId="0" pageNumber="11" rowspan="1">Fruit</td>
<td id="583B1385791A89AF10EA8B60BB5EA675" colspan="1" pageId="0" pageNumber="11" rowspan="1">broadly ovoid</td>
<td id="A9733172F2E40596DA6C6B9F0E7A509C" colspan="1" pageId="0" pageNumber="11" rowspan="1">broadly ovoid</td>
<td id="2AD6367D8BC275121091F17D31BF0087" colspan="1" pageId="0" pageNumber="11" rowspan="1">broadly ovoid</td>
<td id="1B5640CCA29F2B6D243D5535E6D13AD8" colspan="1" pageId="0" pageNumber="11" rowspan="1">oblong-ellipsoid</td>
</tr>
<tr id="C40A819DCDFA9F3F7232F68109D3EBF5" pageId="0" pageNumber="11">
<td id="64A1B39F2B7FA90B07E9D1CCF3B4932C" colspan="1" pageId="0" pageNumber="11" rowspan="1">Ribs</td>
<td id="1868A860898C1BBAA1AD9D4F58E4AAAC" colspan="1" pageId="0" pageNumber="11" rowspan="1">filiform</td>
<td id="81F4A31D50D90C0D46822689921BA0A0" colspan="1" pageId="0" pageNumber="11" rowspan="1">filiform</td>
<td id="02B3FD5FFD8AEC4E11E6729F7A3849C6" colspan="1" pageId="0" pageNumber="11" rowspan="1">slender</td>
<td id="E2F4E03FC84639E20E73169CB1729242" colspan="1" pageId="0" pageNumber="11" rowspan="1">filiform</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection id="162EB343D939DA7C7FED369F234B5599" pageId="0" pageNumber="11" type="diagnosis">
<paragraph id="3691401E000D6F099E449D6C220AB30C" pageId="0" pageNumber="11">Diagnosis.</paragraph>
<paragraph id="EA2370D37540D2B58E9967F147ABE7C0" pageId="0" pageNumber="11">
<taxonomicName id="939E49250837BA53BF98D113D95B9836" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="2308FBF79A65B4805A4CD2AC9191B45F" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
sp. nov. is morphologically similar to
<taxonomicName id="35EA0A44859130EEB5FD991B37778F56" lsidName="T. silaifolia" pageId="0" pageNumber="11" rank="species" species="silaifolia">
<emphasis id="DDF8F2C080A797A0B459FA75CC890248" italics="true" pageId="0" pageNumber="11">T. silaifolia</emphasis>
</taxonomicName>
. However, the new species can be distinguished from the latter by its short stems (10-50 cm), while
<taxonomicName id="4908625F630CB4C4311B4352E6BA60E2" lsidName="T. silaifolia" pageId="0" pageNumber="11" rank="species" species="silaifolia">
<emphasis id="492A56EDC751902516918B65CCDD7DF6" italics="true" pageId="0" pageNumber="11">T. silaifolia</emphasis>
</taxonomicName>
has longer ones (28-60 cm); The ultimate segments of the lower leaf of
<taxonomicName id="7DC16EF6AB3FC221CC4ED4E1DAAE4013" lsidName="T. arguta" pageId="0" pageNumber="11" rank="species" species="arguta">
<emphasis id="851B09297CFF75EFFD61720CB79DDA8B" italics="true" pageId="0" pageNumber="11">T. arguta</emphasis>
</taxonomicName>
are acute and short (1-4 mm), while those of
<taxonomicName id="74B52E91CCAFD13BE1F444DF1408729B" lsidName="T. silaifolia" pageId="0" pageNumber="11" rank="species" species="silaifolia">
<emphasis id="3928097F3C7819AAB61A2936B9DC1541" italics="true" pageId="0" pageNumber="11">T. silaifolia</emphasis>
</taxonomicName>
are linear and longer (5-18 mm). The umbels of
<taxonomicName id="966A78FC99E7BD439A1E76B54862D6E0" lsidName="T. arguta" pageId="0" pageNumber="11" rank="species" species="arguta">
<emphasis id="DC55F155EB8F63A12A5A92109B2A6F5D" italics="true" pageId="0" pageNumber="11">T. arguta</emphasis>
</taxonomicName>
have 3-8 rays, which are significantly less than those of
<taxonomicName id="B853408E5E961C7996340D7EEEF46B26" lsidName="T. silaifolia" pageId="0" pageNumber="11" rank="species" species="silaifolia">
<emphasis id="2B1B9673EEF84390A875854915114923" italics="true" pageId="0" pageNumber="11">T. silaifolia</emphasis>
</taxonomicName>
(8-22).
</paragraph>
<caption id="0EDC9C6889A1093CB9A1986B324C55C9" doi="10.3897/phytokeys.164.54927.figure3" httpUri="https://binary.pensoft.net/fig/465408" pageId="0" pageNumber="11" start="Figure 3" startId="F3">
<paragraph id="4A3157045323F17728E09D366F8A5DC3" pageId="0" pageNumber="11">
<emphasis id="FFFAE6B34BA4C672DC75ABC88AD1D175" bold="true" pageId="0" pageNumber="11">Figure 3.</emphasis>
<taxonomicName id="16558E956A17FF69909AB8F2E27BE052" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="5474FCA84FDEC31A8474C84CB8CF6F1C" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
sp. nov.
<emphasis id="B9E89E83434F18BD9FE836DFE81A439B" bold="true" pageId="0" pageNumber="11">A</emphasis>
habit
<emphasis id="2114B41D5E4EBC627098B8813C31F9B6" bold="true" pageId="0" pageNumber="11">B</emphasis>
root
<emphasis id="CD8BE1FA8E3556ECCD3CDD2AA7A64816" bold="true" pageId="0" pageNumber="11">C</emphasis>
basal leaf blade
<emphasis id="87697499E20E307E9B2071F0DEC73EE8" bold="true" pageId="0" pageNumber="11">D</emphasis>
leaf-like bract, only appears in some individuals
<emphasis id="23347FF7FCCDCE90A0198646D76836FB" bold="true" pageId="0" pageNumber="11">E</emphasis>
flower
<emphasis id="DA9BA0F73A886815C22DF1F04CD8279B" bold="true" pageId="0" pageNumber="11">F</emphasis>
fruit
<emphasis id="31B90C3D169DC0D6724CBF3AB50CBC9A" bold="true" pageId="0" pageNumber="11">G</emphasis>
mericarp transverse section. Drawn by Bing-yan Chen.
</paragraph>
</caption>
</subSubSection>
<subSubSection id="D2D40CC3B4BC0D2702C53DE750CA8CE0" pageId="0" pageNumber="11" type="description">
<paragraph id="41E55AA4D84ACF3E5568ED6FBDC8E5D5" pageId="0" pageNumber="11">Description.</paragraph>
<paragraph id="687980EDE6AEB7C42075DF7B96F5FC64" pageId="0" pageNumber="11">
Plants 10-50 cm. Root usually long-conic. Stem thinly ribbed, glabrous, purplish to green, branched. Leaf sheaths inflated, membranous; blade triangular in outline, 3-5
<normalizedToken id="6D297DD8BEF8882E540093F3D1AC4A92" originalValue="×">x</normalizedToken>
2-3.5 cm, 2-3-ternate/pinnate; ultimate segments lanceolate, 1-4
<normalizedToken id="78582E17FBB80159A2A9D7B61832612D" originalValue="×">x</normalizedToken>
1-2 mm, apex acute. Umbels terminal or lateral; bracts often absent or sometimes 1, leaf-like, ca. 2-4
<normalizedToken id="9C33151E615C9F96A480E9A4AECB638A" originalValue="×">x</normalizedToken>
1 cm, bracteoles absent; rays 3-8; umbellules 13-25-flowered. Calyx teeth minute; petals obovate, white to purple, apex obtuse; stylopodium depressed, dark purple; styles short, reflexed. Fruit broadly ovoid, ca. 2
<normalizedToken id="F374BBCD36851980C34C249B9DE06EC7" originalValue="×">x</normalizedToken>
1.7 mm, base cordate; ribs 5, filiform; vittae 3 in each furrow, ca. 4 on commissure. Ventral surface of endosperm slightly concave to plane.
</paragraph>
</subSubSection>
<subSubSection id="C1ACDF62CA5A736B04CAADAD3C74F88E" pageId="0" pageNumber="11" type="etymology">
<paragraph id="5D52B389ADB7F7A6D2F5A028D1ED3CB5" pageId="0" pageNumber="11">Etymology.</paragraph>
<paragraph id="088FFA7C8E4B50C1A8162C78DF447E15" pageId="0" pageNumber="11">
The species epithet &quot;
<taxonomicName id="A96EEB3199A42C08FEBD86ACC4E2C01D" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">arguta</taxonomicName>
&quot; was given to describe the acute tips of the ultimate segments of leaves.
</paragraph>
</subSubSection>
<subSubSection id="20B57F09A1A842C47D8E5762E110AEF1" pageId="0" pageNumber="11" type="phenology">
<paragraph id="74520988417DFAF73070128C9A207CB0" pageId="0" pageNumber="11">Phenology.</paragraph>
<paragraph id="E632A4684029B7AE5BF1187C6346726E" pageId="0" pageNumber="11">The species was observed flowering from August to September and fruiting from September to October.</paragraph>
</subSubSection>
<subSubSection id="D473EF7AE2FBDA4AE2D5B47E70BBE7B0" pageId="0" pageNumber="11" type="distribution">
<paragraph id="820E3B2B525B6D42B0A45B231E7EE915" pageId="0" pageNumber="11">Distribution and habitat.</paragraph>
<paragraph id="E36AE4A86151BF332BF69CCB990E2C52" pageId="0" pageNumber="11">
<taxonomicName id="02A01BA0FAAAC15E93ED13120ED10E24" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="AF4289A258AE378373034A796090AD8D" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
is distributed from Sichuan (Kangding, Yajing) to Yunnan (Deqin, Shangri-la) in south-western China. It grows in alpine bushes and meadow
<emphasis id="67A92467C4303B24E856E8E3D171EA2D" bold="true" pageId="0" pageNumber="11">s</emphasis>
from 4000 m up to 4500 m alt.
</paragraph>
</subSubSection>
<subSubSection id="1A54AA8FB27587D241DE9A3B57C981FA" pageId="0" pageNumber="11" type="materials_examined">
<paragraph id="11E0481AEE0C2A2B0BFA1DADBD62B986" pageId="0" pageNumber="11">Additional specimens examined.</paragraph>
<paragraph id="0C3B2C6C4719AEB8F686604EBC860D2A" pageId="0" pageNumber="11">
China. Sichuan: Kangding, Xinduqiao, Zheduoshan, 4000 m alt., 3 Sep 1982,
<emphasis id="FCC767AF0C139ED7F42621D37A56A473" italics="true" pageId="0" pageNumber="11">Taichang Wei 29664</emphasis>
(CDBI0095011); Kangding, north slope of Zheduoshan, 4000 m alt., 22 Sep 1984,
<emphasis id="5374D92425E99A4B9911D0215AFFE806" italics="true" pageId="0" pageNumber="11">Yongjiang Li 454</emphasis>
(CDBI0172327); Yajiang County, Jianziwanshan, 4400 m alt., 28 Sep 2019,
<emphasis id="4A4EF65B40897DD28490D7AF014FD79B" italics="true" pageId="0" pageNumber="11">Lingjian Gui &amp; Chang Peng GLJ19092802</emphasis>
(SZ); Yajiang County, Kazilashan, 4400 m alt., 20 Sep 2018,
<emphasis id="28C0C9DA092F6E0F2F11ED7B7EB7DA96" italics="true" pageId="0" pageNumber="11">Lingjian Gui GLJ18092002</emphasis>
(SZ). Yunnan: Deqin County, Baimaxueshan pass, 4350 m alt., 21 Aug 2018,
<emphasis id="4B1E15EA9CFB765709F5095A9DE2E1E9" italics="true" pageId="0" pageNumber="11">Lingjian Gui GLJ18082102</emphasis>
(SZ); Shangri-la, Daxueshan pass, 4340 m alt.,
<emphasis id="44409E9A3BD30B42999701D57F6D1625" italics="true" pageId="0" pageNumber="11">Yanping Xiao A11</emphasis>
(SZ); Zhongdian, Deqen, Beima Shan, on the south side of road, 4675 m alt., 25 Sep 1994,
<emphasis id="9E313C2B347928F91520FCEE756DF90A" italics="true" pageId="0" pageNumber="11">ACE 1287</emphasis>
(PE00755697).
</paragraph>
</subSubSection>
<subSubSection id="96467D76C85EF5A9231A336D27C0D5DE" pageId="0" pageNumber="11" type="conservation status">
<paragraph id="B01F500276A8C8A97CF5D6A39067986C" pageId="0" pageNumber="11">Conservation status.</paragraph>
<paragraph id="226059CEB75937149ED542B74C63A670" pageId="0" pageNumber="11">
<taxonomicName id="F199D4B6D9F47AAF5E9ECF3BE0F01DB8" authorityName="L. J. Gui &amp; X. J. He" authorityYear="2020" class="Magnoliopsida" family="Apiaceae" genus="Tongoloa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tongoloa arguta" order="Apiales" pageId="0" pageNumber="11" phylum="Tracheophyta" rank="species" species="arguta">
<emphasis id="EF286F1FB0A94F062C6909DF12C323C6" italics="true" pageId="0" pageNumber="11">Tongoloa arguta</emphasis>
</taxonomicName>
is common in some alpine bushes and meadows at an altitude of about 4300 m in Yunnan and Sichuan, where human activities and especially yak grazing pose a potential threat to its survival. We categorise
<taxonomicName id="D0DDC974A89D0E2772C6D23A56666BBE" lsidName="T. arguta" pageId="0" pageNumber="11" rank="species" species="arguta">
<emphasis id="C6CF5EA7CA28204441D82CA6AAA18665" italics="true" pageId="0" pageNumber="11">T. arguta</emphasis>
</taxonomicName>
as Near Threatened (NT), according to
<bibRefCitation id="4904F99308A3D037627380B5D695418B" author="IUCN" journalOrPublisher="Plant Diversity and Evolution" pageId="0" pageNumber="11" publicationUrl="https://www.iucnredlist.org/resources/redlistguidelines" refId="B4" refString="IUCN, 2019. Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee, Cambridge. https://www.iucnredlist.org/resources/redlistguidelines" title="Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee, Cambridge." url="https://www.iucnredlist.org/resources/redlistguidelines" year="2019">IUCN (2019)</bibRefCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>