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<document id="A384E03906C5F503D05066D1EFF86CD8" ID-DOI="10.3897/phytokeys.251.136457" ID-publisher-id="136457" URI-arpha="39308458-4E41-5D66-9531-ED38DC2A5AF1" XM.bibliography_approvedBy="admin" XM.materialsCitations_approvedBy="admin" XM.taxonomicNames_approvedBy="admin" article-type="research-article" checkinTime="1737991345920" checkinUser="pensoft" docAuthor="Bui, Thu Ha, Le, Ngoc Han &amp; Tran, The Bach" docDate="2025" docId="7E469253D42C5B7BAE174BCDA0ED3212" docLanguage="en" docName="PhytoKeys 251: 203-210" docOrigin="PhytoKeys 251" docSource="https://phytokeys.pensoft.net/article/136457/download/xml/" docStyle="DocumentStyle:PensoftTaxPub.0000.journal_article.phytokeys" docStyleName="PensoftTaxPub.0000.journal_article.phytokeys" docTitle="Gymnema phuquocense T. B. Tran &amp; T. H. Bui 2025, sp. nov." docType="treatment" docVersion="3" dtd-version="3.0" lastPageNumber="210" masterDocId="393084584E415D669531ED38DC2A5AF1" masterDocTitle="Gymnema phuquocense (Apocynaceae, Asclepiadoideae), a new species from Vietnam" masterLastPageNumber="210" masterPageNumber="203" pageNumber="203" updateTime="1737997040497" updateUser="admin">
<mods:mods id="7FB4DD8C8A2F4576A43256A0A8477ABE" xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo id="2634438A752E7E67DAA388988746F351">
<mods:title id="9B2BD18287A16DF1C097CEBBB318B85A">Gymnema phuquocense (Apocynaceae, Asclepiadoideae), a new species from Vietnam</mods:title>
</mods:titleInfo>
<mods:name id="F68397D3E718D0EDF187C27D9EFC6D16" type="personal">
<mods:role id="3A35EE38DB0D6FFC455E4CE9331D128B">
<mods:roleTerm id="FD329375B62FC33F7B223225F4E0727A">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="504766BB17CCD0896DD1C861FC0746CD">Bui, Thu Ha</mods:namePart>
<mods:nameIdentifier id="A07C2BEE70415256FE23F3EE2B96954E" type="ORCID">0000-0001-6971-0105</mods:nameIdentifier>
<mods:affiliation id="7AD607356D9102F6C027319143D718D9">Faculty of Biology, Hanoi National University of Education, 136, Xuan Thuy, Cau Giay, Ha Noi, Vietnam</mods:affiliation>
</mods:name>
<mods:name id="FD80BF7FB78A1CB2A7F0CF5B08E3DA4C" type="personal">
<mods:role id="72B462EF2D11BCD264BB738AE78B4CD7">
<mods:roleTerm id="09ED9B49A67CDCD1D648B84238915A93">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="E441DBD81B1E02320C55F229807BCF60">Le, Ngoc Han</mods:namePart>
<mods:nameIdentifier id="B0EB956DEA629AAA8C6A2F2AD07D797B" type="ORCID">0000-0003-2657-5091</mods:nameIdentifier>
<mods:affiliation id="E758C870F31E37A02E6F19EEBB4B2859">Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam</mods:affiliation>
</mods:name>
<mods:name id="444FA01415F18142BCBBB5D926BC6BAD" type="personal">
<mods:role id="8FFF3D37B9E9C698A883D686A19295A0">
<mods:roleTerm id="DB0C7A76ECB1855E8FF6CD20CAED0CA6">Author</mods:roleTerm>
</mods:role>
<mods:namePart id="50E23E84C209219D0757050FC7146A8A">Tran, The Bach</mods:namePart>
<mods:nameIdentifier id="75EFE4CAA8534A3612DF30D3B3B13F79" type="ORCID">0000-0003-3798-5969</mods:nameIdentifier>
<mods:affiliation id="28895FD7826134E1035237098BAD913C">Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam &amp; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Ha Noi, Vietnam</mods:affiliation>
</mods:name>
<mods:typeOfResource id="0399FC3378E7F150F37546F4F13D57EF">text</mods:typeOfResource>
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<mods:titleInfo id="9CC2A39BC0F9C26136ADF71C761B4901">
<mods:title id="745C3E53CD8BD953659B1FE851E08B56">PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part id="91BA1E86CE8ED8450FB25F0BC7079593">
<mods:date id="82B8A8615D1D4D4EB409282F15B18E9F">2025</mods:date>
<mods:detail id="223542D61208401541A31977A2F5409A" type="pubDate">
<mods:number id="D20B9909AC6A687BDDA1617CA14D82E7">2025-01-27</mods:number>
</mods:detail>
<mods:detail id="F857E68413EC373EB4DA0C07F4383984" type="volume">
<mods:number id="116F9A0EC561F789AD65162FE5E6664C">251</mods:number>
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<mods:start id="255012BFD85C24E6AB408D86159D7419">203</mods:start>
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</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:classification id="1C03716B6F7F4D75F97A4F83D1E6BEEC">journal article</mods:classification>
<mods:identifier id="35FF2DD6BDAFC762BD40F4D8C6097F5D" type="DOI">10.3897/phytokeys.251.136457</mods:identifier>
</mods:mods>
<treatment id="7E469253D42C5B7BAE174BCDA0ED3212" ID-arpha="7E469253-D42C-5B7B-AE17-4BCDA0ED3212" ID-ipni="urn:lsid:ipni.org:names:77355778-1" LSID="urn:lsid:plazi:treatment:7E469253D42C5B7BAE174BCDA0ED3212" LSID-IPNI="urn:lsid:ipni.org:names:77355778-1" httpUri="http://treatment.plazi.org/id/7E469253D42C5B7BAE174BCDA0ED3212" scope_family="Apocynaceae" scope_subFamily="Asclepiadoideae">
<subSubSection id="139AAA6092C71999D507BDC472BD1FC6" type="nomenclature">
<paragraph id="91E561EC875E00C15695FCC865D3B7C8">
<taxonomicName id="1E9E101B315E1F97D7E227AB047F74DA" authority="T. B. Tran &amp; T. H. Bui" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense" status="sp. nov.">
<emphasis id="E7D0A9805280BF2C4B64932173E89F0A" italics="true">Gymnema phuquocense</emphasis>
T. B. Tran &amp; T. H. Bui
</taxonomicName>
<taxonomicNameLabel id="75394C266905962132E6AF1C1591852D" rank="species">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="721A3CA21F21469171C15CF307A9A46A" type="description">
<paragraph id="76BD865B466758E19C0B0B4ADB131D9F">
<figureCitation id="F6EBBE9B5B40D1DAA993D58716B237BF" captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Gymnema phuquocense T. B. Tran &amp; T. H. Bui A habitat B flowering branch C fruiting branch D leaf, adaxial surface E leaf, abaxial surface F, G, H inflorescence I flower bud J flower (Photos by A. T. Vu, T. B. Tran)." figureDoi="10.3897/phytokeys.251.136457.figure1" httpUri="https://binary.pensoft.net/fig/1234756">Figs 1</figureCitation>
,
<figureCitation id="025E46D7A630403D81387501FFCCB12D" captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Gymnema phuquocense T. B. Tran &amp; T. H. Bui A, B corolla C gynostegium D pollinarium E, F fruit G, H, I seeds (Photos by A. T. Vu, T. B. Tran)." figureDoi="10.3897/phytokeys.251.136457.figure2" httpUri="https://binary.pensoft.net/fig/1234757">2</figureCitation>
,
<figureCitation id="BEE232EEFD30AF6272B5E856027A1438" captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Gymnema phuquocense T. B. Tran &amp; T. H. Bui A fruiting branch B flowering branch C, D, E leaf, adaxial surface F, G, H leaf, abaxial surface I, J inflorescence K calyx L corolla M 5 scales on corolla N gynostegium O, P pollinarium Q, R fruit S seed (Drawn by Le Kim Chi)." figureDoi="10.3897/phytokeys.251.136457.figure3" httpUri="https://binary.pensoft.net/fig/1234758">3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection id="SECID0ETHAC" type="material">
<paragraph id="EC1F98E2C3B3FCC2FA6A07F87DCB988A">
<heading id="E6A23B57C49680B7469041CA33F42184" reason="title">Type.</heading>
</paragraph>
<paragraph id="122BA37262646ABF9E84AADD89610E3C">
<materialsCitation id="7D3CF73225750638E2BA700C2B4A2B42" collectingDate="2022-03-28" collectionCode="HN, VNM" collectorName="Tran The Bach" country="Vietnam" county="Phu Quoc district" latitude="10.059146" location="An Thoi commune" longLatPrecision="1" longitude="103.99802" specimenCode="HN 80492, HN 80493, HN 80494, HN 80495, HN 80496, VNM 00071049" specimenCount="2" stateProvince="Kien Giang province" typeStatus="holotype">
<collectingCountry id="B11E52293E3923982242F357F2FEFAE2" name="Vietnam">Vietnam</collectingCountry>
. •
<collectingRegion id="3831F032937FE616D0B87ACF82AE24F2" country="Vietnam" name="Kien Giang">Kien Giang province</collectingRegion>
:
<collectingCounty id="E351CD2C2537AE26A6F4BEE62E88E995">Phu Quoc district</collectingCounty>
,
<location id="14CD031B8D503E4062AA294E0171F3E7" LSID="urn:lsid:plazi:treatment:7E469253D42C5B7BAE174BCDA0ED3212:14CD031B8D503E4062AA294E0171F3E7" country="Vietnam" county="Phu Quoc district" latitude="10.059146" longLatPrecision="1" longitude="103.99802" municipality="Phu Quoc district" name="An Thoi commune" stateProvince="Kien Giang province">An Thoi commune</location>
,
<date id="2E7F84DBE4DC006BAC26F8AADFBF68B7" value="2022-03-28">
<collectingDate id="643D0A5739309982A6FD3DDB0F5B5663" value="2022-03-28">28 March 2022</collectingDate>
</date>
,
<named-content content-type="dwc:verbatimCoordinates" id="NCID0E3HAC" specific-use="{&quot;type&quot;:&quot;Point&quot;,&quot;coordinates&quot;:[103.998019,10.059146]}">
<geoCoordinate id="A5C9A7446479A68F46C14D0F890F0C0E" degrees="10" direction="north" minutes="3" orientation="latitude" precision="1" seconds="32.926" value="10.059146">10°3'32.926&quot;N</geoCoordinate>
,
<geoCoordinate id="2DBC9BFFA8D54C1B9EC3452A8A28B34D" degrees="103" direction="east" minutes="59" orientation="longitude" precision="1" seconds="52.867" value="103.99802">103°59'52.867&quot;E</geoCoordinate>
</named-content>
(lf., fl., fr.),
<emphasis id="E4A647C953F46E316FAA344045874842" italics="true">
<collectorName id="AD2F4969BD3DDB147B3FC89AC915051F">Tran The Bach</collectorName>
et al. Bach 28032022-1
</emphasis>
(
<typeStatus id="0A43255A6154171E7D3D4F6A88BB5AFD" type="holotype">holotype</typeStatus>
:
<specimenCode id="4A7976E6A353E4EF62CAB88460DFADCF" collectionCode="HN" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN 80492</specimenCode>
!;
<typeStatus id="A96C7E6093E1622D2DC5E516537000AD" type="isotype">isotypes</typeStatus>
:
<specimenCode id="52F9E227559D94401CE3F0EC78D60FF3" collectionCode="HN" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN 80493</specimenCode>
!,
<specimenCode id="7E4F6F251BFF1D90BB83199B6F9A37DD" collectionCode="HN" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN 80494</specimenCode>
!,
<specimenCode id="CEF39FDD295526525F1E488311287E5A" collectionCode="HN" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN 80495</specimenCode>
!,
<specimenCode id="B8A30B83F120B66D7AFE5B8B6B2B5F91" collectionCode="HN" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN 80496</specimenCode>
!,
<specimenCode id="CFD69FFFB259B0E33DF05941B32836B4" collectionCode="VNM" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM 00071049</specimenCode>
!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EDIAC" type="diagnosis">
<paragraph id="9F791E15934A26268A763E28216728EC">
<heading id="ADB1475C2BF168F0B1F863BF0BBFA4E2" reason="title">Diagnosis.</heading>
</paragraph>
<paragraph id="C87E978E8F0D0E64C9E383BDDD2DAB1D">
<taxonomicName id="4668105BC314BCC349F56A2F590AB1FE" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="17B3628CEAFA9DD3EDB2A69A6674D508" italics="true">G. phuquocense</emphasis>
</taxonomicName>
differs from
<taxonomicName id="9E1306A3DE12558FBF50576BA64D185E" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="01E6B5533956D2793C72D1AAC511BD96" italics="true">G. yunnanense</emphasis>
</taxonomicName>
by the length of peduncle (
<quantity id="17B27D847A0781953AF6495B69DFD28D" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">34 mm</quantity>
vs.
<quantity id="FEA6B17E1F8A6F9E004E6396552D6F0A" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">56 mm</quantity>
), hairs on corolla lobe margins (absent vs. present), shape of seed (broadly ovate vs. ovate-oblong), and shape of corolline corona scales with 2 prominent longitudinal ridges on corolla tube (lanceolate vs. linear).
</paragraph>
<caption id="0D0DD6D5E5C13177B2B46BDF13455FAF" ID-DOI="10.3897/phytokeys.251.136457.figure1" ID-arpha="C15AC6B3-48A3-5268-80F1-CA07524E42D7" httpUri="https://binary.pensoft.net/fig/1234756" startId="F1">
<paragraph id="49BCDDEDCB512407297395B65A0025D8">
<label id="E6441C550EFA5F3ECDC6F75E50447E5A">Figure 1.</label>
</paragraph>
<paragraph id="E926E5739CA81008AEA41946B4928EC8">
<taxonomicName id="07BBEDE3FB75FF9F97C3F4E812C50E71" authority="T. B. Tran &amp; T. H. Bui" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="E0E69CDAC43116C33FDCCA89F5762DAC" italics="true">Gymnema phuquocense</emphasis>
T. B. Tran &amp; T. H. Bui
</taxonomicName>
<emphasis id="0CD25BA93ABE6CCDE5E1AEFCE6CEE6D4" bold="true">A</emphasis>
habitat
<emphasis id="B3FED9130B827A1410BFA9B74A8A0118" bold="true">B</emphasis>
flowering branch
<emphasis id="159E3A3120A1B48043160C6AAA25C80B" bold="true">C</emphasis>
fruiting branch
<emphasis id="CD7B1D80F4825C93CB00AB9489CAC6D3" bold="true">D</emphasis>
leaf, adaxial surface
<emphasis id="A420C43E6FEF115677EC7DB79F7AABFB" bold="true">E</emphasis>
leaf, abaxial surface
<emphasis id="44BC41355B959A426AE55DFFBD2AA28A" bold="true">F, G, H</emphasis>
inflorescence
<emphasis id="DCA62EA1032DC7C9E727EFE7B1BEEE6A" bold="true">I</emphasis>
flower bud
<emphasis id="80DA517F9D841F77E2CEC6DA74BB7ADD" bold="true">J</emphasis>
flower (Photos by A. T. Vu, T. B. Tran).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EHKAC" type="description">
<paragraph id="43A0ECD5C7038330B49A831EE22C14D8">
<heading id="0572CB2AB70148FBB2F1BBC4E4C3FCCD" reason="title">Description.</heading>
</paragraph>
<paragraph id="2343CA6F420CFEA5FDE2C5F8B67C0DF6">
<emphasis id="028A8D2628BC2DE5E805A07A756CC490" bold="true" italics="true">Lianas</emphasis>
,
<quantity id="6EC24888945C1A18CF6ED8F7EA864190" metricMagnitude="1" metricUnit="m" metricValue="1.0" unit="m" value="10.0">10 m</quantity>
or more. Stem pubescent with white trichomes; internodes
<quantity id="DCC59368B05E4A8D11DC8E1E774A1799" metricMagnitude="-2" metricUnit="m" metricValue="5.0" metricValueMax="7.5" metricValueMin="2.5" unit="cm" value="5.0" valueMax="7.5" valueMin="2.5">2.57.5 cm</quantity>
long.
<emphasis id="C5D98A7A4136BA2946FC7B39239BC36D" bold="true" italics="true">Leaves</emphasis>
opposite; petiole 0.51.0 cm long,
<quantity id="6D3B56F506ED004B71C691586DE1560B" metricMagnitude="-3" metricUnit="m" metricValue="3.15" metricValueMax="3.5" metricValueMin="2.8" unit="mm" value="3.15" valueMax="3.5" valueMin="2.8">2.83.5 mm</quantity>
diam., pubescent; blade elliptic,
<quantity id="840E67AB42C58445F06F04F3A7DA6E49" metricMagnitude="-2" metricUnit="m" metricValue="9.55" metricValueMax="10.3" metricValueMin="8.8" unit="cm" value="9.55" valueMax="10.3" valueMin="8.8">8.810.3 cm</quantity>
long,
<quantity id="64BDE8B38FDDB6807478C72B347E7A99" metricMagnitude="-2" metricUnit="m" metricValue="5.4" metricValueMax="6.5" metricValueMin="4.3" unit="cm" value="5.4" valueMax="6.5" valueMin="4.3">4.36.5 cm</quantity>
wide; adaxial surface glabrous except pubescent nerves, abaxial surface pubescent; base rounded to acuminate; apex acuminate; lateral veins in 4 pairs, retinerved.
<emphasis id="77EC9A535BB6DDBC9715BE760BBE38CF" bold="true" italics="true">Inflorescences</emphasis>
extra-axillary,
<quantity id="F59194D255729B7554109E97B1A1C6AA" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" unit="mm" value="9.5" valueMax="10.0" valueMin="9.0">910 mm</quantity>
wide, umbelliform, 1620 - flowered; peduncle
<quantity id="4F0B47B817CA8540FF2E75EB5C9613A8" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">34 mm</quantity>
long, pubescent.
<emphasis id="4C678D91CA15A2DD144EB8DDA67EEC70" bold="true" italics="true">Flowers</emphasis>
with buds spherical-elliptic,
<quantity id="AC9A3BD66B052DAF55250D338EA5A1E8" metricMagnitude="-3" metricUnit="m" metricValue="2.25" metricValueMax="2.5" metricValueMin="2.0" unit="mm" value="2.25" valueMax="2.5" valueMin="2.0">22.5 mm</quantity>
diam.,
<quantity id="D09E045B9F707A23C5DDB64A51AD443A" metricMagnitude="-3" metricUnit="m" metricValue="3.6" metricValueMax="4.0" metricValueMin="3.2" unit="mm" value="3.6" valueMax="4.0" valueMin="3.2">3.24 mm</quantity>
in diam. when anthetic; pedicel with erect hairs,
<quantity id="CD9F5955385A2E0ED5BF929557B56008" metricMagnitude="-3" metricUnit="m" metricValue="1.5" unit="mm" value="1.5">1.5 mm</quantity>
long,
<quantity id="E050FB384889AD4AD57D56E33F14D579" metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" unit="mm" value="0.85" valueMax="1.0" valueMin="0.7">0.71 mm</quantity>
in diam.
<emphasis id="57B9E2B1483BF87B695D8ECA8406D0F9" bold="true" italics="true">Sepals</emphasis>
broadly ovate,
<quantity id="8F39339801038F83EDC94702DE840F8A" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="1.8" metricValueMin="1.7" unit="mm" value="1.75" valueMax="1.8" valueMin="1.7">1.71.8 mm</quantity>
long, ca.
<quantity id="73C11A0D236309704413E47A626DF841" metricMagnitude="-3" metricUnit="m" metricValue="1.4" unit="mm" value="1.4">1.4 mm</quantity>
wide; glabrous inside, outside hirsute, margin ciliate, apex rounded, with triangular colleters at the base,
<quantity id="9F9D77233BCFD8BC78E228353051CD0D" metricMagnitude="-4" metricUnit="m" metricValue="3.4" unit="mm" value="0.34">0.34 mm</quantity>
long,
<quantity id="9F84AB4925E665F3452E2578165259C6" metricMagnitude="-4" metricUnit="m" metricValue="2.3" unit="mm" value="0.23">0.23 mm</quantity>
wide;.
<emphasis id="E83BAE6CF04DBD722789ACD1D0C97663" bold="true" italics="true">Corolla</emphasis>
campanulate, inside glabrous, outside with sparse hairs; corolla lobes triangular, ca.
<quantity id="33607C820F2734910665353C01D8E3E2" metricMagnitude="-3" metricUnit="m" metricValue="1.2" unit="mm" value="1.2">1.2 mm</quantity>
long, ca.
<quantity id="D5D67E04EB861E4F2DE0012BC3750152" metricMagnitude="-3" metricUnit="m" metricValue="1.3" unit="mm" value="1.3">1.3 mm</quantity>
wide, yellowish; corolla tube with 5 prominent longitudinal scales (= corolline corona) in the sinuses of corolla lobes; scales lanceolate with one line of brownish hairs along each side, apex triangular, white, glabrous,. 4
<quantity id="7C79B1D42C01F71549ACAD1BA3E88EA8" metricMagnitude="-3" metricUnit="m" metricValue="1.6" unit="mm" value="1.6">1.6 mm</quantity>
long,
<quantity id="12DC77113A7A204DC4E087CFD4F9B703" metricMagnitude="-4" metricUnit="m" metricValue="6.499999999999999" metricValueMax="7.0" metricValueMin="6.0" unit="mm" value="0.6499999999999999" valueMax="0.7" valueMin="0.6">0.60.7 mm</quantity>
wide, below part of scale rectangular, ca. 1 ×
<quantity id="7F67A0E721B8DB58AB8BF14CB4EC3102" metricMagnitude="-4" metricUnit="m" metricValue="5.0" unit="mm" value="0.5">0.5 mm</quantity>
,.
<emphasis id="35DF7312DDEE0870D60FFF5B982C3FBB" bold="true" italics="true">Pollinia</emphasis>
erect, rectangular-elliptic,
<quantity id="3429FA3F5B110D1358076A5D1FC5323E" metricMagnitude="-4" metricUnit="m" metricValue="3.1" unit="mm" value="0.31">0.31 mm</quantity>
long,
<quantity id="1958D454109286682762824F0F7111C5" metricMagnitude="-4" metricUnit="m" metricValue="1.3" unit="mm" value="0.13">0.13 mm</quantity>
wide; corpusculum rectangle-shaped,
<quantity id="DA628134F3DD2C1481FA257722508C74" metricMagnitude="-4" metricUnit="m" metricValue="1.65" metricValueMax="1.7" metricValueMin="1.6" unit="mm" value="0.165" valueMax="0.17" valueMin="0.16">0.160.17 mm</quantity>
long,
<quantity id="F7D75A82C833A7202E9F2306BD6AB9D8" metricMagnitude="-5" metricUnit="m" metricValue="6.5" metricValueMax="7" metricValueMin="6.0" unit="mm" value="0.065" valueMax="0.07" valueMin="0.06">0.060.07 mm</quantity>
wide; caudicles
<quantity id="8448AE86305249364ED9C6C2A5E0094B" metricMagnitude="-5" metricUnit="m" metricValue="2.0" unit="mm" value="0.02">0.02 mm</quantity>
long,
<quantity id="A90188B523E46F88971C5FDD951E0887" metricMagnitude="-5" metricUnit="m" metricValue="5.0" unit="mm" value="0.05">0.05 mm</quantity>
wide.
<emphasis id="C8ADE3F84BB741E32A24E0105580A2DD" bold="true" italics="true">Style head</emphasis>
hemispherical,
<quantity id="2328B26FE36D36BCD2EF7BC3FEB19ACB" metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="9.0" metricValueMin="8.0" unit="mm" value="0.85" valueMax="0.9" valueMin="0.8">0.80.9 mm</quantity>
high,
<quantity id="0CC1DCFBC6A7DEC967EEB534A1A87BE7" metricMagnitude="-3" metricUnit="m" metricValue="1.25" metricValueMax="1.3" metricValueMin="1.2" unit="mm" value="1.25" valueMax="1.3" valueMin="1.2">1.21.3 mm</quantity>
wide.
<emphasis id="239534732C9FB2DCB6D6A85A1A861F3E" bold="true" italics="true">Ovary</emphasis>
bi-carpellate.
<emphasis id="32B0BFEB0315039E3C8E5A2778647B9D" bold="true">
<emphasis id="5CECAB60EC1775A7F546BCEAA6A25D70" bold="true" italics="true">Follicle</emphasis>
1
</emphasis>
, developed from only one of the two carpels, lanceolate,
<quantity id="90780CE87A567B8DC169F573B07CA292" metricMagnitude="-2" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="cm" value="5.5" valueMax="6.0" valueMin="5.0">56 cm</quantity>
long,
<quantity id="AC795D70687BBD8619E1949977EA9A16" metricMagnitude="-2" metricUnit="m" metricValue="2.35" metricValueMax="2.5" metricValueMin="2.2" unit="cm" value="2.35" valueMax="2.5" valueMin="2.2">2.22.5 cm</quantity>
wide; outside pubescent; pericarp
<quantity id="E24B3294785B74438227641FFD414269" metricMagnitude="-3" metricUnit="m" metricValue="1.0" metricValueMax="1.1" metricValueMin="0.9" unit="mm" value="1.0" valueMax="1.1" valueMin="0.9">0.91.1 mm</quantity>
thick; mature fruits yellow.
<emphasis id="10284DF5C08EB857050F196154F813C5" bold="true" italics="true">Seeds</emphasis>
numerous, ca. 60 per follicle; seeds flattened, broadly ovate,
<quantity id="4F491EFBBEC54679BD80C516229E5136" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" unit="mm" value="9.5" valueMax="10.0" valueMin="9.0">910 mm</quantity>
long,
<quantity id="E2980C225BD5DCE3EE765987B8D51A66" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">56 mm</quantity>
wide, comma
<quantity id="5B6861CB006E1A232580C4C65D028FD0" metricMagnitude="-2" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" unit="mm" value="27.5" valueMax="30.0" valueMin="25.0">2530 mm</quantity>
long, white.
</paragraph>
<caption id="FB753A3CD58BFD86A0E196578A36DEE4" ID-DOI="10.3897/phytokeys.251.136457.figure2" ID-arpha="AC36E993-84D2-58A2-AF82-F9228D3E539B" httpUri="https://binary.pensoft.net/fig/1234757" startId="F2">
<paragraph id="CB9C994E2FC0291EEF170DFA891EDAA2">
<label id="3B065CF368E9FF1BAECA86F46BC0B3E1">Figure 2.</label>
</paragraph>
<paragraph id="33F681DB164652C238FE7E011987EB9B">
<taxonomicName id="F9091306A8B48327AC5C618590B5102C" authority="T. B. Tran &amp; T. H. Bui" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="1E621C684A882C333885E438D3992849" italics="true">Gymnema phuquocense</emphasis>
T. B. Tran &amp; T. H. Bui
</taxonomicName>
<emphasis id="38CFE8A01E13A67F3D73A9C3951F19EE" bold="true">A, B</emphasis>
corolla
<emphasis id="54C58A66A6BEA678CC081A11E864A1E7" bold="true">C</emphasis>
gynostegium
<emphasis id="40FC3B41C226163E443AB65D75F7C182" bold="true">D</emphasis>
pollinarium
<emphasis id="68A0688D94DC0DCB9D571B8F3BDF1B40" bold="true">E, F</emphasis>
fruit
<emphasis id="1C4F14105AAA4537561A3854E40DE269" bold="true">G, H, I</emphasis>
seeds (Photos by A. T. Vu, T. B. Tran).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0EYMAC" type="etymology">
<paragraph id="FA625122E4537C888343B75BF05BE2B1">
<heading id="62FB3D1FAE31A40FA183C1FF305C6B24" reason="title">Etymology.</heading>
</paragraph>
<paragraph id="320A41B0A81A06C621B2034640D5CDAA">
The specific epithet refers to the type locality, Phu Quoc district in
<collectingCountry id="46E311D8FF3AFD83047B3611063A4D64" name="Vietnam">Vietnam</collectingCountry>
.
</paragraph>
</subSubSection>
<subSubSection id="SECID0E4MAC" type="distribution">
<paragraph id="380EC3D3DDD11CD888BBFFA5C7674EC3">
<heading id="93AF36673A1FC22D4853411EC8374830" reason="title">Distribution and ecology.</heading>
</paragraph>
<paragraph id="2CBF05AFC196DD0D54FA9FCF4F28DCBF">
<taxonomicName id="56B7BD5C784587F0CB1015F6016DC8A6" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="E7B78FA1D4A67A5DC9FF4A410D95CC1C" italics="true">Gymnema phuquocense</emphasis>
</taxonomicName>
was found growing in bright places at the secondary forest of Phu Quoc district, in association with
<taxonomicName id="57CCE04CB3B11EAC6D9A4C1472023A8E" authority="A. Cunn. ex Benth." authorityName="Benth." class="Magnoliopsida" family="Fabaceae" genus="Acacia" kingdom="Plantae" order="Fabales" phylum="Tracheophyta" rank="species" species="auriculiformis">
<emphasis id="E4E28AE93A680C9843ABDE73A91EC633" italics="true">Acacia auriculiformis</emphasis>
A. Cunn. ex Benth.
</taxonomicName>
,
<taxonomicName id="C4A2725B127AFEA1F4C4F1ECE4677292" authority="(L.) R. M. King &amp; H. Rob." authorityName="R. M. King &amp; H. Rob." baseAuthorityName="L." class="Magnoliopsida" family="Asteraceae" genus="Chromolaena" kingdom="Plantae" order="Asterales" phylum="Tracheophyta" rank="species" species="odorata">
<emphasis id="BE3D237B812C43A542A60A20B9C14A82" italics="true">Chromolaena odorata</emphasis>
(L.) R. M. King &amp; H. Rob.
</taxonomicName>
,
<taxonomicName id="9CBB3CA537C2E0C2AA7400B5849790D9" authority="(G. Forst.) Wight &amp; Arn." authorityName="Wight &amp; Arn." baseAuthorityName="G. Forst." class="Magnoliopsida" family="Rutaceae" genus="Micromelum" kingdom="Plantae" order="Sapindales" phylum="Tracheophyta" rank="species" species="minutum">
<emphasis id="20F58C3F7B845B6072989C062679D1BE" italics="true">Micromelum minutum</emphasis>
(G. Forst.) Wight &amp; Arn.
</taxonomicName>
,
<taxonomicName id="2D7E39815A92A2594CDC7C698522C87B" authority="L." authorityName="L." class="Magnoliopsida" family="Fabaceae" genus="Mimosa" kingdom="Plantae" order="Fabales" phylum="Tracheophyta" rank="species" species="pudica">
<emphasis id="72076B21BA8CB8B357D88E04036AB82C" italics="true">Mimosa pudica</emphasis>
L.
</taxonomicName>
,
<taxonomicName id="7198BD65D6C317F9A3DCFE4217C770BE" authority="Hance" authorityName="Hance" class="Magnoliopsida" family="Chrysobalanaceae" genus="Parinari" kingdom="Plantae" order="Malpighiales" phylum="Tracheophyta" rank="species" species="annamensis">
<emphasis id="946DFEC0DD702FFE42436A3EC451B48A" italics="true">Parinari annamensis</emphasis>
Hance
</taxonomicName>
,
<taxonomicName id="1C5B4608A799BEDAE334D9771F889A50" authority="L." authorityName="L." class="Magnoliopsida" family="Rubiaceae" genus="Psychotria" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="asiatica">
<emphasis id="FC4992F5C622D772176CF8183330E5D8" italics="true">Psychotria asiatica</emphasis>
L.
</taxonomicName>
,
<taxonomicName id="4A3000700AD54E0CC859505BF094E7AE" authority="L." authorityName="L." class="Magnoliopsida" family="Malvaceae" genus="Sida" kingdom="Plantae" order="Malvales" phylum="Tracheophyta" rank="species" species="rhombifolia">
<emphasis id="293100DB6715496891F20865F89997E7" italics="true">Sida rhombifolia</emphasis>
L.
</taxonomicName>
,
<taxonomicName id="357CF04AF262F425DC1A1EA931B8DCDD" authority="(L.) Vahl" authorityName="Vahl" baseAuthorityName="L." class="Magnoliopsida" family="Verbenaceae" genus="Stachytarpheta" kingdom="Plantae" order="Lamiales" phylum="Tracheophyta" rank="species" species="jamaicensis">
<emphasis id="D610E62A05A3D79931E3DAD4EC140CCB" italics="true">Stachytarpheta jamaicensis</emphasis>
(L.) Vahl
</taxonomicName>
,
<taxonomicName id="236BF25B7722909FF75F1CC0C556A7FF" authority="(Lour.) Merr." authorityName="Merr." baseAuthorityName="Lour." class="Magnoliopsida" family="Apocynaceae" genus="Streptocaulon" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="juventas">
<emphasis id="3BEADA9D9AD5768FB4DDBCB668434F97" italics="true">Streptocaulon juventas</emphasis>
(Lour.) Merr.
</taxonomicName>
, and
<taxonomicName id="336F88555B8E2DC5B7E21C80F4A23B0B" authority="(L.) Merr" authorityName="Merr" baseAuthorityName="L." class="Magnoliopsida" family="Dilleniaceae" genus="Tetracera" kingdom="Plantae" order="Dilleniales" phylum="Tracheophyta" rank="species" species="scandens">
<emphasis id="4B800D57E58DD0C7BAE0E8B0ABA50436" italics="true">Tetracera scandens</emphasis>
(L.) Merr
</taxonomicName>
.. Flowering and fruiting were observed in March-April.
</paragraph>
<caption id="AE0E0A88BCE57C6C6ADC4F651AECEA2A" ID-DOI="10.3897/phytokeys.251.136457.figure3" ID-arpha="2C4B3984-4774-5736-8C01-10F13FEC3463" httpUri="https://binary.pensoft.net/fig/1234758" startId="F3">
<paragraph id="BC10E82A3ED7897AD74E748BC5222C5F">
<label id="036726D90E67B8936408AE9439644130">Figure 3.</label>
</paragraph>
<paragraph id="2541EF09CB09D25AC3724ABA4EE5DCB8">
<taxonomicName id="DBDA7EE4709D69D01D1CCA3AE77DC41E" authority="T. B. Tran &amp; T. H. Bui" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="DE6A0CB4C7491AD9C877BB226B66A553" italics="true">Gymnema phuquocense</emphasis>
T. B. Tran &amp; T. H. Bui
</taxonomicName>
<emphasis id="6778BFEA38CC31F2282C174B72A56656" bold="true">A</emphasis>
fruiting branch
<emphasis id="3DA44A252C14BC2E412C85976BC8D154" bold="true">B</emphasis>
flowering branch
<emphasis id="246A09A5CA6E23E169ACEC331C31DDCB" bold="true">C, D, E</emphasis>
leaf, adaxial surface
<emphasis id="2AEC190392973B1ED24924116DADC8A1" bold="true">F, G, H</emphasis>
leaf, abaxial surface
<emphasis id="3703736706D7E9A4C3CAE581F922EC63" bold="true">I, J</emphasis>
inflorescence
<emphasis id="1012DC6F0411CE341554351C759861C4" bold="true">K</emphasis>
calyx
<emphasis id="E3D65858330A19315B609903A3E7C667" bold="true">L</emphasis>
corolla
<emphasis id="9A23879785BCC421FE6FD09FDEC63967" bold="true">M</emphasis>
5 scales on corolla
<emphasis id="1074C7C772CB65F18CF5879A705EA45E" bold="true">N</emphasis>
gynostegium
<emphasis id="B506FBBEC547EFCDA87E9B264E70AC97" bold="true">O, P</emphasis>
pollinarium
<emphasis id="F660075FD945E4882DA049B133E1B8EE" bold="true">Q, R</emphasis>
fruit
<emphasis id="FAAB12EFF8D88C9069AE60D4701E6994" bold="true">S</emphasis>
seed (Drawn by Le Kim Chi).
</paragraph>
</caption>
</subSubSection>
<subSubSection id="SECID0ENCAE" type="conservation status">
<paragraph id="B262A851D368AB4F9DEA56773D28C3E9">
<heading id="3009126B70396B82D5094D13ECA37AC9" reason="title">Conservation status.</heading>
</paragraph>
<paragraph id="C4E622BF340EC40B92CFBD53A4FAE956">
Known from only one locality; the preliminary conservation status of
<taxonomicName id="6420F3B80C8F9786C999A63740B6D563" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="EBBE4DF14D2AD58DC19D32C81CC2DCCD" italics="true">Gymnema phuquocense</emphasis>
</taxonomicName>
is Data Deficient (
<abbrev id="ABBRID0E5CAE" xlink_title="Data Deficient">DD</abbrev>
;
<bibRefCitation id="024D83FE180A45847EC507920DB7721A" refId="B4" refString="IUCN (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee. http://cmsdocs.s3.ama zonaws. com / RedListGuidelines. pdf" url="zonaws. com / RedListGuidelines. pdf" year="2019">IUCN 2019</bibRefCitation>
). More fieldwork still need to be done in order to get a better understanding of the full natural distribution of this taxon.
</paragraph>
</subSubSection>
<subSubSection id="SECID0EGDAE" type="discussion">
<paragraph id="24EB3ADF4F73E9BDE895479F68E15185">
<heading id="19D1332966F3E4B55EF91E76604E65B0" reason="title">Discussion.</heading>
</paragraph>
<paragraph id="1E819467B81DB48BA6766CB3CCD54BD9">
The differences between
<taxonomicName id="EC67BE9EF2255324F0AA43DF1AFE0A50" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="351C03CF0AC6D7167A291E49F31043F5" italics="true">Gymnema phuquocense</emphasis>
</taxonomicName>
and
<taxonomicName id="7C34094F735846989D051522C90FB135" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="00196A639B79FFD67CD5656364758EFA" italics="true">G. yunnanense</emphasis>
</taxonomicName>
are clear (Table
<tableCitation id="F4899517061F84514F181C05837C1968" captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological differences between G. phuquocense and G. yunnanense." httpUri="http://table.plazi.org/id/9D04C472EB948B7A2878255DCD31D606" tableUuid="9D04C472EB948B7A2878255DCD31D606">1</tableCitation>
).
<taxonomicName id="9AE3CB0D3A8FB15E9DF6B6458CEA8BB7" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="A9DA8F3E06BF767307F09AB6C236BBAF" italics="true">G. yunnanense</emphasis>
</taxonomicName>
is widely distributed on the mainland from SE.
<collectingCountry id="718F6790D69E0F9B2A8A9739CFA96224" name="Bangladesh">Bangladesh</collectingCountry>
to
<collectingCountry id="22C5F8560230102C9034C6ED8FAAA92B" name="China">China</collectingCountry>
(S.
<collectingRegion id="F3F3C07210ACA9D11962AE29642FA976" country="China" name="Yunnan">Yunnan</collectingRegion>
, SW.
<collectingRegion id="28E394A9D5A0294A97163AE0CF5FD569" country="China" name="Guangxi">Guangxi</collectingRegion>
) and
<collectingCountry id="EE13C4224F7EB81E33BD4EDB269DFFF6" name="Vietnam">Vietnam</collectingCountry>
(
<collectingRegion id="398038E0CBBD393AC0F581D4A9046B4D" country="Vietnam" name="Kon Tum">Kon Tum province</collectingRegion>
,
<collectingRegion id="FAF4321E1A2ED27B6C6B42F39F1148E6" country="Vietnam" name="Kien Giang">Kien Giang province</collectingRegion>
: Ha Tien) (
<bibRefCitation id="5145F58B834AC0576A4E88A412E5FF44" author="Tran" firstAuthor="Tran" journalOrPublisher="Flora of Vietnam" pagination="178-190" refId="B12" refString="Tran TB (2017) Publishing House for Science and Technology, Hanoi. Flora of Vietnam 15: 178190." title="Publishing House for Science and Technology, Hanoi." volume="15" year="2017">Tran 2017</bibRefCitation>
,
<bibRefCitation id="7E760109E4C8B7C28110691281E95269" refId="B9" refString="POWO (2024) Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/ [Retrieved 01 August 2024]" url="http://www.plantsoftheworldonline.org/" year="2024">POWO 2024</bibRefCitation>
) while
<taxonomicName id="F2FCE2288D655B87BA1F574B4D141CB6" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="64170879270D1BA781817E055421F6B5" italics="true">G. phuquocense</emphasis>
</taxonomicName>
is only found on Phu Quoc island (
<collectingRegion id="D39B17EB40B0ECFCCFB67354B1ECB780" country="Vietnam" name="Kien Giang">Kien Giang province</collectingRegion>
). However,
<taxonomicName id="3DCDD4F889A7C9B81354D9535072A803">
<emphasis id="C781F7758845691C11C8A7A412C812CD" italics="true">Gymnema</emphasis>
species
</taxonomicName>
, especially of the
<taxonomicName id="1C720CDDC036176F68D4FDB6623C5736" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="sylvestre">
<emphasis id="502065B660A3BB0D7F5EBD57F0513D44" italics="true">G. sylvestre</emphasis>
</taxonomicName>
group to which the new species belong, are difficult to distinguish. The
<taxonomicName id="34F1B984D16D2BDD9C21F62A4A39637F" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="sylvestre">
<emphasis id="FC7638201C835216584CBE4BEB71EDC2" italics="true">G. sylvestre</emphasis>
</taxonomicName>
group includes
<taxonomicName id="C1BA596273414AEC2465E29BAACAB256" authority="Benth." authorityName="Benth." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="muelleri">
<emphasis id="DB8F500B730273E3F7BC9A713A9CB2AF" italics="true">G. muelleri</emphasis>
Benth.
</taxonomicName>
(Northern Territory, Queensland),
<taxonomicName id="147FA35D1486B1AF6BCB7BFFBEE690BC" authority="Schltr." authorityName="Schltr." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="tricholepis">
<emphasis id="9F7377163B4EA1D0FD35166B87DE0BB4" italics="true">G. tricholepis</emphasis>
Schltr.
</taxonomicName>
(
<collectingCountry id="3A725CD6DC4036D2EB0CCA06B997D8E7" name="New Caledonia">New Caledonia</collectingCountry>
, New
<collectingCountry id="AB870E2D49F64A85354772C591EBCA6D" name="Guinea-Bissau">Guinea</collectingCountry>
, Queensland),
<taxonomicName id="11888F423DADF2C66B5E33CF4C1E5CC5" authority="(P. I. Forst.) P. I. Forst." authorityName="P. I. Forst." baseAuthorityName="P. I. Forst." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="stramineum">
<emphasis id="6DD85D4DFC11DB3FE5E2AF787B4A781F" italics="true">G. stramineum</emphasis>
(P. I. Forst.) P. I. Forst.
</taxonomicName>
(Queensland),
<taxonomicName id="4B1A174F1E989791639950E6F3F2FC87" authority="(Retz.) R. Br. ex Sm." authorityName="Sm." baseAuthorityName="Retz." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="sylvestre">
<emphasis id="A33BD703ECBBE3DA584C4E556A5073F9" italics="true">G. sylvestre</emphasis>
(Retz.) R. Br. ex Sm.
</taxonomicName>
(Tropical &amp; Subtropical Old World),
<taxonomicName id="F653C58B1AF94DA8B6D3B08C9F186204" authority="Schltr." authorityName="Schltr." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="pachyglossum">
<emphasis id="E067DCEE6FE1AA0ECF60D6231DC4EBED" italics="true">G. pachyglossum</emphasis>
Schltr.
</taxonomicName>
(
<collectingCountry id="44E31871A0743F4C37CE857FF58F1A9B" name="Philippines">Philippines</collectingCountry>
),
<taxonomicName id="5C4CEA0DEA59CE2EACBCBD3E4A5883D5" authority="Hook. f." authorityName="Hook. f." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="maingayi">
<emphasis id="597FC225D69DD6CA4D13423E5B71F581" italics="true">G. maingayi</emphasis>
Hook. f.
</taxonomicName>
(Malaya,
<collectingCountry id="CE1EFC12AFCA5C8CE5FECEA9415C3A43" name="Myanmar">Myanmar</collectingCountry>
,
<collectingCountry id="460C3926732DDC0ACB0D1C3D0C6BB54C" name="Thailand">Thailand</collectingCountry>
),
<taxonomicName id="3D72B356B897164CC22AF1D373CEB064" authority="Wall. ex Wight" authorityName="Wight" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="latifolium">
<emphasis id="709E8FF20C4C72BFBBC4DAC82FF6845E" italics="true">G. latifolium</emphasis>
Wall. ex Wight
</taxonomicName>
(
<collectingCountry id="9AED7177D7006A179C52096B094E4EF4" name="India">India</collectingCountry>
to S.
<collectingCountry id="270229AF8FEFB62ECE2BADA421565C26" name="China">China</collectingCountry>
and and Indo-China) and
<taxonomicName id="4A769E00AC657978099E030907EDF0A1" authority="(P. I. Forst.) P. I. Forst." authorityName="P. I. Forst." baseAuthorityName="P. I. Forst." class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="longipedicellatum">
<emphasis id="785FB641979EB10473C999CCEFF61487" italics="true">G. longipedicellatum</emphasis>
(P. I. Forst.) P. I. Forst.
</taxonomicName>
(Queensland) (
<bibRefCitation id="571F03F3E307D0384DADF0073F95622A" DOI="10.1002/tax.12713" author="Liede-Schumann" etAl="et al." firstAuthor="Liede-Schumann" issue="4" journalOrPublisher="Taxon" pagination="833-875" refId="B7" refString="Liede-Schumann S, Reuss SJ, Meve U, Gâteblé G, Livshultz T, Forster PI, Wanntorp L, Rodda M (2022) Phylogeny of Marsdenieae (Apocynaceae, Asclepiadoideae) based on chloroplast and nuclear loci, with a conspectus of the genera. Taxon 71 (4): 833875. https://doi.org/10.1002/tax.12713" title="Phylogeny of Marsdenieae (Apocynaceae, Asclepiadoideae) based on chloroplast and nuclear loci, with a conspectus of the genera." volume="71" year="2022">Liede-Schumann et al. 2022</bibRefCitation>
,
<bibRefCitation id="1AE28205B64111E28099ACFF47B91F8A" refId="B9" refString="POWO (2024) Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/ [Retrieved 01 August 2024]" url="http://www.plantsoftheworldonline.org/" year="2024">POWO 2024</bibRefCitation>
). Another species belonging to this group is
<taxonomicName id="4DD8BDFE1044825C7EA3A4CF6F7D7ABA" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="thorelii">
<emphasis id="11462B187597204770003E194CE49B55" italics="true">G. thorelii</emphasis>
</taxonomicName>
recorded in
<collectingCountry id="C1770D5981A0D11997584E3E49EA0BAB" name="Laos">Laos</collectingCountry>
,
<taxonomicName id="C29CC36079C928B80ED232A87D6E0A7B" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="thorelii">
<emphasis id="41052E0A9E3FCD5F19AB90D2B64FEDF2" italics="true">G. thorelii</emphasis>
</taxonomicName>
(
<bibRefCitation id="5C3368ACC672A4833BD0602F46E518D8" author="Costantin" firstAuthor="Costantin" refId="B1" refString="Costantin J (1912) Asclépiadacées. Flore Générale de LIndo-Chine 4 (1). Masson et Cie, Paris, 1154." year="1912">Costantin 1912</bibRefCitation>
;
<bibRefCitation id="3EFE8E1BE90A3F8875F7365B8EE7593A" refId="B9" refString="POWO (2024) Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/ [Retrieved 01 August 2024]" url="http://www.plantsoftheworldonline.org/" year="2024">POWO 2024</bibRefCitation>
), also has many similar characteristics. However,
<taxonomicName id="14EDD5920349C96CEC24853FF37DF3E6" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="04AE0E4A80C5A207C1791A36D1FB3539" italics="true">G. phuquocense</emphasis>
</taxonomicName>
differs from
<taxonomicName id="6B9EE0AA737EADC8D56029C851780899" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="thorelii">
<emphasis id="0CC0018E32D98756503587A6EC7ECF5C" italics="true">G. thorelii</emphasis>
</taxonomicName>
by the leaf size (8.810.3 × 4.36.5 vs. 56 × 2.83.3), leaf surface (pubescent vs. glabrous), flower diameter (
<quantity id="19C3AA55BFD890C82F22A4863DC7B76F" metricMagnitude="-3" metricUnit="m" metricValue="3.6" metricValueMax="4.0" metricValueMin="3.2" unit="mm" value="3.6" valueMax="4.0" valueMin="3.2">3.24 mm</quantity>
vs.
<quantity id="DC20D816CFAB943653F9B60C993E1D2C" metricMagnitude="-3" metricUnit="m" metricValue="2.5" unit="mm" value="2.5">2.5 mm</quantity>
) and the indument of corolla lobe margins (without hairs vs. with hairs).
<taxonomicName id="50CE6DCD78D357D777B83FD935501604" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="3E6F1B16E8972CC2C2AE5D84FE7F3E88" italics="true">G. phuquocense</emphasis>
</taxonomicName>
differs from other species of
<taxonomicName id="A582CF43B44DCB7EF8E82A1870FB2709" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="genus">
<emphasis id="23092F5FD64900CA1C167823DCF0EDA3" italics="true">Gymnema</emphasis>
</taxonomicName>
by the following set of characteristics: peduncle
<quantity id="C2B860F70EFAA5F6163567D9AFF9E150" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="4.0" metricValueMin="3.0" unit="mm" value="3.5" valueMax="4.0" valueMin="3.0">34 mm</quantity>
long, corolla tube hairy but corolla lobe margins not cilliate and not purple, corolline corona scales higher than tube, follicles shorter than
<quantity id="5F20E2547296B5C7234015AAE0249868" metricMagnitude="-2" metricUnit="m" metricValue="4.0" unit="cm" value="4.0">4 cm</quantity>
and seeds broadly ovate,
<quantity id="A57823A26E54BA249784C7FDF516A2C1" metricMagnitude="-3" metricUnit="m" metricValue="9.5" metricValueMax="10.0" metricValueMin="9.0" unit="mm" value="9.5" valueMax="10.0" valueMin="9.0">910 mm</quantity>
long.
</paragraph>
<caption id="9D04C472EB948B7A2878255DCD31D606" ID-Table-UUID="9D04C472EB948B7A2878255DCD31D606" httpUri="http://table.plazi.org/id/9D04C472EB948B7A2878255DCD31D606" startId="T1" targetIsTable="true">
<paragraph id="866DF39B9EDF9D651681928E3C74B2F2">
<label id="83F3272B802046684EA6C13380CED41D">Table 1.</label>
</paragraph>
<paragraph id="F95B1AA60E976F48E0A2E150780DABDE">
Morphological differences between
<taxonomicName id="8966DA13F135A293D912DB4EE96156B3" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="6E3CCCBE293A0DF846963DAA7C92C878" italics="true">G. phuquocense</emphasis>
</taxonomicName>
and
<taxonomicName id="8AB2FAB616ED000A8B8884CC0510F532" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="CA1FA0D248539AD7D0611C563E8845DA" italics="true">G. yunnanense</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="A008AEC141EA0DF0A072A4683BCFF091">
<table id="TID0ECUAE" rules="all">
<tbody id="DAB3374E93E4C234080737B41B4D8EEA">
<tr id="668E9D5FCC8C94BAED34D5688A37AC2A">
<th id="FAFA1FCD238EC81D4783165E51814E57" colspan="1" rowspan="1">Characters</th>
<emphasis id="6D196E094F96A77971FF74972CCEBAAA" italics="true">
<th id="02AA08817DA99565B6DB56B7D6485203" colspan="1" rowspan="1">
<taxonomicName id="07CFC14D17BEF4A71BC02C5EA548386A" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">G. yunnanense</taxonomicName>
</th>
<th id="4F46D2731A789D82D112B795AA4164A0" colspan="1" rowspan="1">
<taxonomicName id="7445D59F8F57342BAFFB6330E4ABBEA9" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">G. phuquocense</taxonomicName>
</th>
</emphasis>
</tr>
<tr id="F8ABEFECF57011669DF568F87FEFE5F3">
<td id="8C036296DC7A6D0767A6630A716C15DA" colspan="1" rowspan="1">Number of lateral veins (pairs)</td>
<emphasis id="346629D3F18A5235A5763A814E38CB09" bold="true">
<td id="8BB41954E3441E39A765CF458DC8C92A" colspan="1" rowspan="1">56</td>
<td id="8DA4740FAB94733DA28EA4C93B0CFCD3" colspan="1" rowspan="1">4</td>
</emphasis>
</tr>
<tr id="CF60213D2DF1A9DC9F8147588FCDA428">
<td id="6430CB4BC2AE8E7D339B9CAFCC6678F3" colspan="1" rowspan="1">Length of peduncle (mm)</td>
<emphasis id="E42EDEB3F2E85043755E4FEC5D104895" bold="true">
<td id="C64A8129ECA0F2F6E18DCD38B9FB4883" colspan="1" rowspan="1">1013</td>
<td id="F648F32F7D1456409FE35D7CCAFBE956" colspan="1" rowspan="1">34</td>
</emphasis>
</tr>
<tr id="3CBCEF551737A60FE623ACA22E0544AA">
<td id="89616DF4361CCB28B9D6232C3CA550BA" colspan="1" rowspan="1">Corolla lobes</td>
<emphasis id="AC536820C8AEEDCA0D246A0CF93C24F8" bold="true">
<td id="610D52E33AFE5D57C8FDCB2736CABD62" colspan="1" rowspan="1">Ciliate</td>
<td id="787271746A8A22B704627099865E55A5" colspan="1" rowspan="1">not ciliate</td>
</emphasis>
</tr>
<tr id="4702AF7D54BDA0B70A11EBC02F414611">
<td id="22F9771A6AA46EF4EA2C5B1494857992" colspan="1" rowspan="1">Shape of corolline corona</td>
<emphasis id="FF02E011CCB2FEE3C82B17CA2874DBF9" bold="true">
<td id="5683E4C9685E86CCDC9A326EA1103395" colspan="1" rowspan="1">Linear</td>
<td id="CF51845B420A2D215314B2B437E15D88" colspan="1" rowspan="1">Lanceolate</td>
</emphasis>
</tr>
<tr id="B32F971B664D5D12B7DF02CA9112BCBF">
<td id="37CF7A4DAFDA8CA7FADD384E105452CC" colspan="1" rowspan="1">Shape of seed</td>
<emphasis id="F76F817C5A5BF9ED9F45D077B9354810" bold="true">
<td id="45960360EA4B04D1E464C7AC71996C31" colspan="1" rowspan="1">ovate-oblong</td>
<td id="CADA4B2965E180D363D74B6747CBDA10" colspan="1" rowspan="1">broadly ovate</td>
</emphasis>
</tr>
<tr id="AE98760788BC3C17FAB57A19A4AF1059">
<td id="DE5ACF4798ACCA056D38654669ACEA7D" colspan="1" rowspan="1">Length of seed (mm)</td>
<emphasis id="2F5DEA77753046820EBD2DB16C6E7966" bold="true">
<td id="69BB2203A90002BFFE006536B0B9010B" colspan="1" rowspan="1">1315</td>
<td id="C9A0D52959DCA3FF9ECB8F1A4CEA88E9" colspan="1" rowspan="1">910</td>
</emphasis>
</tr>
</tbody>
</table>
</paragraph>
<paragraph id="DBCC009F299F4E64E71ADBEBF1442F99">
<title id="218FD1FDE4AE15EF31CE8715B122E595">
Key to the species of
<taxonomicName id="636A6ED6A24118ACF497A65F83C787CC" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="genus">
<emphasis id="D12B920BE4F2E375FA237489F6D1FC03" italics="true">Gymnema</emphasis>
</taxonomicName>
in
<collectingCountry id="2DC6E02A5769680ABF9493D92A83270A" name="Vietnam">Vietnam</collectingCountry>
</title>
</paragraph>
<paragraph id="9B3CE19FFE4AD24552CA14774E1F46D0">
<table id="TID0EVIAC" rules="all">
<tbody id="9FC0DE5EC78CCF997FC0E65F850520E1">
<table-wrap id="8DC18EF7DF8744694261C08B337232BA" content-type="key" orientation="portrait" position="anchor">
<tr id="658D4F6A7B1D6BAEF7C462929EACE015">
<td id="51077E4AD027E271757DA06853D92FB0" colspan="1" rowspan="1">1</td>
<td id="C4690218FA5AD846C082A85DC0419F24" colspan="1" rowspan="1">Corolla (excluding “ corolline corona ”) glabrous</td>
<td id="C449BA8E90DDBFA3DC66F8295340A1E4" colspan="1" rowspan="1">
<emphasis id="5D24F3EB17895FA6847F156AC6BE5223" bold="true">2</emphasis>
</td>
</tr>
<tr id="E9432C5A6610268FE9C8D754F7C32AB7">
<td id="EFFEF4A80DFDD5504C2C5C3EEB568504" colspan="1" rowspan="1"></td>
<td id="7D528C82007FF8D83E9376B3E874E258" colspan="1" rowspan="1">Corolla (excluding “ corolline corona ”) hairy</td>
<td id="71AE5036AD6D97756E9517853A9AFC26" colspan="1" rowspan="1">
<emphasis id="29259246E75873024E03B46C353E742D" bold="true">3</emphasis>
</td>
</tr>
<tr id="0D95E872945D8830A82538E9E5731021">
<td id="4857046ED2170BC46D3DE5B58BFA93CE" colspan="1" rowspan="1">2</td>
<td id="9799ED74215A93CD6B83FD3E6F5711A2" colspan="1" rowspan="1">Seeds 12.514 × 89 mm</td>
<td id="BA8CB9C8C199097E3FE0B6320DF6BA0F" colspan="1" rowspan="1">
<taxonomicName id="9DCD536E824292975A7F82DB1875465A" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="acuminatum">
<emphasis id="2A6BC080BFA6284F7F996E79CA9EA796" bold="true" italics="true">G. acuminatum</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="878619CADEAC70A67EE412B65ED9E743">
<td id="58DAC03A0AEE831D967E2A57B2A3C5EE" colspan="1" rowspan="1"></td>
<td id="A74B0B8D16246B0ACCE369CF053E7D21" colspan="1" rowspan="1">Seeds ca. 8 × 4 mm</td>
<td id="060B89F64E498686A0F25A2EFF0F136A" colspan="1" rowspan="1">
<taxonomicName id="CB8B39A3741F197040069F36A70629D5" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="sylvestre">
<emphasis id="01FA2BFAB1CF9DD61BDB628F37844615" bold="true" italics="true">G. sylvestre</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="3BB47F3BAAE24957D0115184BE762511">
<td id="25AFEA2F059F99D6B2C4C75BAFB3AAC0" colspan="1" rowspan="1">3</td>
<td id="B1BE1CD54457F370E233450239F32D32" colspan="1" rowspan="1">Corolla margins purple; fruit 46 cm wide</td>
<td id="67E971F29E45047584CEEA7FF92E53F1" colspan="1" rowspan="1">
<taxonomicName id="A2A4FA70530BE6DE26AC22700969C7B5" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="griffithii">
<emphasis id="4FDF411E5D975C2E0E7780FC982365DE" bold="true" italics="true">G. griffithii</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="0036F6048D654D3AFB3A772D9EE99F5E">
<td id="467EDF09D44CC11A2DC99D071965ED08" colspan="1" rowspan="1"></td>
<td id="0718E3C4AD142BBDBE91E122B021EAF0" colspan="1" rowspan="1">Corolla margins white or yellow; fruit less than 4 cm wide</td>
<td id="9114AE7311C040AD5456F9EF27BA010C" colspan="1" rowspan="1">
<emphasis id="5A0EBD5C29B91421413EE16F74BBC05A" bold="true">4</emphasis>
</td>
</tr>
<tr id="1039A7916C2AD8636991C20184860BEF">
<td id="7FCB860CE60BCD0F56E94AB7DB587E1C" colspan="1" rowspan="1">4</td>
<td id="8367C5814FD24FEC9E343F82DFEDB2C5" colspan="1" rowspan="1">Corolline corona scales shorter than tube</td>
<td id="C51CBE9AA74A355E6CE9CEE0FE4E1601" colspan="1" rowspan="1">
<emphasis id="CE4BECC33B98A6B78850B99FA6C3B737" bold="true">5</emphasis>
</td>
</tr>
<tr id="164188AA5BDE313CCEACCC4212C29643">
<td id="C673934C4F20FD38FD2731F4AFE7E39D" colspan="1" rowspan="1"></td>
<td id="3A205AC719E0F0DB4ADE52BAC52384B0" colspan="1" rowspan="1">Corolline corona scales longer than tube</td>
<td id="FE0D7654B223D429EBAE1D43F7C80EB5" colspan="1" rowspan="1">
<emphasis id="CE2EAB54D0ACE5217487FDDB034F3AA7" bold="true">7</emphasis>
</td>
</tr>
<tr id="4F9FDBBE9A331FFC79D08032BAD49C42">
<td id="A251131C9A7F309576C6EA8725C98F7C" colspan="1" rowspan="1">5</td>
<td id="85B91C943C92DDF0EED434399FE7D43A" colspan="1" rowspan="1">Corolla lobes densely pubescent inside</td>
<td id="47C6557018C2CD0537377476D54D0057" colspan="1" rowspan="1">
<taxonomicName id="213C59D808A77467912F1411FD8198E8" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="latifolium">
<emphasis id="5F6F35D29C36FA4B1EBEC7A827E0F883" bold="true" italics="true">G. latifolium</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="D8D996B5D6BB6591918A871401C9DDAE">
<td id="05FCE0B33DA7006EEA2DAAFABB5D0E68" colspan="1" rowspan="1"></td>
<td id="0F8DAF6D023D600BFB559BDC150C7199" colspan="1" rowspan="1">Corolla lobes glabrous inside</td>
<td id="2527E2565FAB119254484653D5D87CEC" colspan="1" rowspan="1">
<emphasis id="F3C068FEF2079B65BF03DFD59F22D0D8" bold="true">6</emphasis>
</td>
</tr>
<tr id="3E65B2FAEA6EBEE200D1F1BD39D4156F">
<td id="C94634BA1142D03F812420599028E06C" colspan="1" rowspan="1">6</td>
<td id="DF0FB73351F030F7C846A2210E2165A8" colspan="1" rowspan="1">Petiole 26 cm long; seeds ca. 1.5 × 1 cm, comma ca. 4 cm long</td>
<td id="503673F8B09AF5AE82B407B4043923C9" colspan="1" rowspan="1">
<taxonomicName id="39612065A7F4281D9F83F4DD5AA6F885" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="inodorum">
<emphasis id="7DE5E5A2A9FD2A089154EC2F46610BD0" bold="true" italics="true">G. inodorum</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="D771A7D314C90F4D23E43A197B1B6FA8">
<td id="4A109776B2E0260D54013588A822E9FD" colspan="1" rowspan="1"></td>
<td id="62AF99D6D71895478A3DE730C579B242" colspan="1" rowspan="1">Petiole 0.51 cm long; seeds ca. 1.4 × 0.6 cm, comma ca. 3 cm long</td>
<td id="A7FB61862E1A81D0E398EF5C7A1E6844" colspan="1" rowspan="1">
<taxonomicName id="B31F9FFCFCB753558AA49AA486EC39F5" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="foetidum">
<emphasis id="E12E1E05635A271F7AE237993E86C2F2" bold="true" italics="true">G. foetidum</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="E5AB9F4C466A075425EEC63EA93AE599">
<td id="B59F6E25FC62A1073AFF9439944479DE" colspan="1" rowspan="1">7</td>
<td id="82D5A874FDBC28CEC4867743C99A8574" colspan="1" rowspan="1">Peduncle 1013 mm long; corolla lobes cilliate; seeds ovate-oblong, 1315 mm long</td>
<td id="94A6B123595393E5A6E438AA5E49754C" colspan="1" rowspan="1">
<taxonomicName id="4F418FFA4FA7229E9C51233E7618031B" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="535615A4B0127ABA7EFFFA94E4943774" bold="true" italics="true">G. yunnanense</emphasis>
</taxonomicName>
</td>
</tr>
<tr id="FE1B6A744D554D02E79F87727949751D">
<td id="1D931A12F5451E872B428DCE5053EEAE" colspan="1" rowspan="1"></td>
<td id="C0A758BFF9278C8D2E54D5C5F6C5C127" colspan="1" rowspan="1">Peduncle 34 mm long; corolla lobes not cilliate; seeds broadly ovate, 910 mm long</td>
<td id="AB5F12738D6B28DA112F76AACD56951E" colspan="1" rowspan="1">
<taxonomicName id="07D52DF264B447AD9C2C6EBBB5EE5F0F" authorityName="T. B. Tran &amp; T. H. Bui" authorityYear="2025" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="phuquocense">
<emphasis id="BAC7E84597FEDF08D8A11EDA11B94360" bold="true" italics="true">G. phuquocense</emphasis>
</taxonomicName>
</td>
</tr>
</table-wrap>
</tbody>
</table>
</paragraph>
<paragraph id="4C582842B9A6E1AB015FDEC8D8738C34">
<title id="A3A0B66AF9644A95A34F331A4BD80E76">Additional specimens examined</title>
</paragraph>
<paragraph id="C7B11879D591FFBBD6B939634041F571">
<taxonomicName id="A87358484D40159F5BB3D4BFAF462A18" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="acuminatum">
<emphasis id="21F57E28F6DCC34AAC9DB8CD41C7589E" italics="true">G. acuminatum</emphasis>
</taxonomicName>
:
<collectingCountry id="61B6EDAB1684B5818350E8C17BD2364E" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="F9296B1BED17F931388274077BBBD4B5" country="Vietnam" name="Dong Nai">Dong Nai</collectingRegion>
: Trang Bom,
<date id="0E0C446EFDD5F3353386C9FAE98162AD" value="1919-05-28">28 May 1919</date>
, Poilane 40886 (
<abbrev id="ABBRID0EH1AE" xlink_title="Institute of Tropical Biology">
<collectionCode id="60D05390DBE703CA59B9CB1874282888" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM</collectionCode>
</abbrev>
);
<taxonomicName id="F92EB313AA262BBA3F00E50CEE61CA57" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="foetidum">
<emphasis id="7BBB0926E40C8750700AA20629690165" italics="true">G. foetidum</emphasis>
</taxonomicName>
:
<collectingCountry id="2BF6A0B923034FBD0B67F59AA790E389" name="Vietnam">Vietnam</collectingCountry>
,
<collectingRegion id="969B2E4CF94E91819291D0B6C7CE5ACA" country="Vietnam" name="Dak Lak">Dak Lak</collectingRegion>
: Krong Pac,
<date id="81D0112DC69F64B5E755CC4ED742855F" value="1979-06-01">1 June 1979</date>
, N. T. Ban, Ban 365 (
<abbrev id="ABBRID0EW1AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="4E2C0BDF69FBE336CD1BDDDA58EA3A4F" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<taxonomicName id="44B8CA58E3BD6D26DECF63CEE02B01CF" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="griffithii">
<emphasis id="9E17CFF790B38EEADB3D5BF631E387A2" italics="true">G. griffithii</emphasis>
</taxonomicName>
:
<collectingCountry id="556D56F1AF04329BD33F713D4268389A" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="858E3A998BCF36978A825B618F4DE13F" country="Vietnam" name="Dak Lak">Dak Lak</collectingRegion>
: Ea Hleo, Ea Sol,
<date id="7253ADCC65222241EDB171E4F3101677" value="2011-08-08">8 August 2011</date>
, Tran The Bach, VK 4676 (
<abbrev id="ABBRID0EF2AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="ADE6E58C12597EAE1E0F5B4A56C7F915" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<taxonomicName id="AEDF1C23E66013E51470B6E9396EA4B4" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="inodorum">
<emphasis id="66AEE25A35FE0FB83BC517BA0A6D4C1E" italics="true">G. inodorum</emphasis>
</taxonomicName>
:
<collectingCountry id="A72D697465C6B095EA92690ECB9221FD" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="C3F4A574C5E1D21A8AAEA65394A490E7" country="Vietnam" name="Hoa Binh">Hoa Binh</collectingRegion>
, Do Dang Ly 584 A, 584 B, 584
<collectionCode id="F774FB65EF82F75EF125C855B0FFF50E" country="Spain" lsid="urn:lsid:biocol.org:col:13287" name="Institut Botànic de Barcelona" type="Herbarium">BC</collectionCode>
, 584 D (
<collectionCode id="769055498399314F79AA81D8B8040045">NIMM</collectionCode>
);
<taxonomicName id="2ED77F959A72C7F2965594C80F00B3DC" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="latifolium">
<emphasis id="2CEA228AA6415D714E4A1F7CC030B098" italics="true">G. latifolium</emphasis>
</taxonomicName>
:
<collectingCountry id="4E31BE36B0225A37D00FA3C88C68680B" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="A13FFC8A0CDD0C34006328B66636FE5F" country="Vietnam" name="Ninh Binh">Ninh Binh</collectingRegion>
: Cuc Phuong,
<collectionCode id="C2F1D136EF9B38F282416B56DCC9F2BA" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15488" lsid="urn:lsid:biocol.org:col:15488" name="New Mexico State University" type="Herbarium">NMC</collectionCode>
1194, MVX 151,
<collectionCode id="28B9DB104C473F91D25E558A93211E5C" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15488" lsid="urn:lsid:biocol.org:col:15488" name="New Mexico State University" type="Herbarium">NMC</collectionCode>
1321, MVX 658 (
<abbrev id="ABBRID0E62AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="47750CA3CEC6837953C89ABDBD307FE8" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
)
<collectingRegion id="2A94A877107C2DBAD3576DBDDBD2C244" country="Vietnam" name="Quang Tri">Quang Tri</collectingRegion>
:
<collectingRegion id="9A3180349DC7DF15DE1941980B6750EE" inferredBySuffix="true">Huong Hoa</collectingRegion>
,
<date id="918D08F7E1E896E2A1C8C442B8E975F9" value="2014-03-16">16 March 2014</date>
, Tran The Bach, VK 5880 (
<abbrev id="ABBRID0ED3AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="07F674989C36B5A073BFBF5EEFB60248" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
)
<collectingRegion id="D75E9A05B6BC33F6E2F6764D61D31CA3" country="Vietnam" name="Thanh Hoa">Thanh Hoa</collectingRegion>
,
<date id="E41828408C26057A2CCBBE8633368CDA" value="1997-10-15">15 October 1997</date>
,
<collectingCountry id="DC9471D4E48B9A8BFE38D6FB7EC5AAEB" name="Vietnam">VN</collectingCountry>
305 (
<abbrev id="ABBRID0EH3AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="60FE3F09E786AD9B4A6B66FC66CEE53C" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<taxonomicName id="DA0C4F05320BBD7AE9AB2D52E296275B" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="sylvestre">
<emphasis id="6BFD5EA35AF0540BAAD548C405669C6F" italics="true">G. sylvestre</emphasis>
</taxonomicName>
:
<collectingCountry id="D71283C931E3BAE0BE0291F47FC373C6" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="80E8A9156473AC9E843D3D3104E81A87" country="Vietnam" name="Bac Giang">Bac Giang</collectingRegion>
,
<date id="2CFA0FA29CF6481AF1A86402F0793E2A" value="1940-11-06">6 November 1940</date>
, Petelot 2435 (
<abbrev id="ABBRID0EW3AE" xlink_title="Institute of Tropical Biology">
<collectionCode id="7E90A1BD7D469E8E37B212565C3748B7" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM</collectionCode>
</abbrev>
)
<collectingRegion id="26251F7C526CF096074A995FAE2B0086" country="Vietnam" name="Ninh Thuan">Ninh Thuan</collectingRegion>
: Phan Rang,
<date id="E8264B3D714EC1A043B9DD7BB966F6CA" value="1924-03-02">2 March 1924</date>
, Poilane 9856 (
<abbrev id="ABBRID0E13AE" xlink_title="Institute of Tropical Biology">
<collectionCode id="99D91E3048073AF4E6943C0F553B69D8" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM</collectionCode>
</abbrev>
),
<date id="02BA87EAFF020624C99AF809FDF80F3A" value="1923-03-04">4 March 1923</date>
, Poilane 5563 (
<abbrev id="ABBRID0E53AE" xlink_title="Institute of Tropical Biology">
<collectionCode id="E7D0DF86A7595F7A02927EF57D34C893" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM</collectionCode>
</abbrev>
)
<collectingRegion id="C44C7C2BBBE74FA73C5B16723BDCC897" country="Vietnam" name="Quang Ninh">Quang Ninh</collectingRegion>
,
<date id="39AFCFF516ECD5EAB5F7FEE705F7E4F4" value="2002-08-22">22 August 2002</date>
, V. X. Phuong 5406 (
<abbrev id="ABBRID0EC4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="217BEACFF5C7CCFD50CE466FE4D3F1FE" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<date id="0541B52E7263BD5C66CF072D1471E866" value="2002-08-22">22 August 2002</date>
, V. X. Phuong 5479 (
<abbrev id="ABBRID0EG4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="DB6D4F9D1A36DE29926F8A1DF5BED218" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<date id="1E55E47A8FEA91D400026C19B1FCF4E3" value="2002-08-22">22 August 2002</date>
, V. X. Phuong 5482 (
<abbrev id="ABBRID0EK4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="025F6B46AC10F87D5AA0D749870F5765" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
);
<date id="0DDD5C29C8BB2DE479A83535B158813B" value="2002-08-22">22 August 2002</date>
, V. X. Phuong 5510 (
<abbrev id="ABBRID0EO4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="C3BFF230F5FE55F16826642AEB718555" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
); Tien 213 (
<abbrev id="ABBRID0ES4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="EAAF0B053ECB9F21C29C0DEE3A6928DC" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
)
<collectingRegion id="379C4A29E1E495F5C690A4F6CA772DB1" country="Vietnam" name="Quang Tri">Quang Tri</collectingRegion>
: Gio Linh,
<date id="44CF222E2F36DCF2F306AF9637103B87" value="2007-05-13">13 May 2007</date>
, Tran The Bach, VK 1060 (
<abbrev id="ABBRID0EW4AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="7BF27F678D06BFA8E75EBFD1E05FF984" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
)
<collectingRegion id="38DB1D38621D0B231CEC7CCAFEA38AD2" country="Vietnam" name="Vinh Phuc">Vinh Phuc</collectingRegion>
, V. X. Phuong 1061 (
<abbrev id="ABBRID0E14AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="4E69166934A208CD87EF285F360A5F7B" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
), T. D. Ly 217 (
<abbrev id="ABBRID0E54AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="F7909228BC68E097F3B1D4088A824A56" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
) Thua Thien Hue: Lang Co, 199 (
<abbrev id="ABBRID0EC5AE" xlink_title="Institute of Tropical Biology">
<collectionCode id="3305935C39B0DCB174122F848BE33A83" country="Viet Nam" httpUri="http://grbio.org/cool/tj07-dt2h" name="Institute of Tropical Biology" type="Herbarium">VNM</collectionCode>
</abbrev>
);
<taxonomicName id="9678BA2DED73D53424C98A378FAFBE90" class="Magnoliopsida" family="Apocynaceae" genus="Gymnema" kingdom="Plantae" order="Gentianales" phylum="Tracheophyta" rank="species" species="yunnanense">
<emphasis id="C924035182C1C64FFB6DBCE96929D9FA" italics="true">G. yunnanense</emphasis>
</taxonomicName>
:
<collectingCountry id="AE19BA3B62CBE9B1D37A02CC863FAC1E" name="Vietnam">Vietnam</collectingCountry>
.
<collectingRegion id="8D6CBFF43C9751661D3AAF3A32A46D11" country="Vietnam" name="Kien Giang">Kien Giang</collectingRegion>
, V. X. Phuong 10124 (
<abbrev id="ABBRID0ER5AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="DF1B203ABD78CDF737D0F3C4BA08E6F3" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
)
<collectingRegion id="5317D9F1C512F740720C93209EA1FF84" country="Vietnam" name="Kon Tum">Kon Tum</collectingRegion>
: Dak Glei, VH 1418, (
<abbrev id="ABBRID0EV5AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="346744BC423A59D113129118CB263D3A" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
),
<date id="DED8DF8A0808D6836D15FFA9BD756322" value="2009-04-02">2 April 2009</date>
, Tran The Bach, VK 2593 (
<abbrev id="ABBRID0EZ5AE" xlink_title="Institute of Ecology and Biological Resources">
<collectionCode id="4D2251D1D56CBECAF305DB0362CA1312" country="Viet Nam" lsid="urn:lsid:biocol.org:col:13708" name="National Center for Natural Sciences and Technology" type="Herbarium">HN</collectionCode>
</abbrev>
).
</paragraph>
</subSubSection>
</treatment>
</document>