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<document id="D1BA74D9B5618BF109CC94F4D7D50068" ID-CLB-Dataset="302095" ID-DOI="10.11646/phytotaxa.224.2.5" ID-GBIF-Dataset="aa501b6c-31a4-47e2-aa08-2cfc6513face" ID-ISSN="1179-3163" ID-Zenodo-Dep="13636696" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725335390230" checkinUser="felipe" docAuthor="Hao, Guoqian, Al-Shehbaz, Ihsan A., Wang, Qian, Liang, Qianlong &amp; Liu, Jianquan" docDate="2015" docId="6D1CF06CFFD9715CB089FB8EFD8EF0F8" docLanguage="en" docName="phytotaxa.224.2.5.pdf" docOrigin="Phytotaxa 224 (2)" docSource="http://dx.doi.org/10.11646/phytotaxa.224.2.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Eutrema racemosum Al-Shehbaz, G. Q. Hao &amp; J. Q. Liu 2015, sp. nov." docType="treatment" docVersion="3" lastPageNumber="188" masterDocId="91258814FFDA715FB001FFDAFFC1F70B" masterDocTitle="Eutrema racemosum (Eutremeae, Brassicaceae), a new tetraploid species from southwest China" masterLastPageNumber="195" masterPageNumber="185" pageNumber="188" updateTime="1725343557929" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="19DDECF59F630D772BDB1447969E842B">Eutrema racemosum (Eutremeae, Brassicaceae), a new tetraploid species from southwest China</mods:title>
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<mods:namePart id="4A67FE72601E10566ADF334C43184F52">Hao, Guoqian</mods:namePart>
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<mods:namePart id="BCEDF476523E22933626453C34BEEB03">Al-Shehbaz, Ihsan A.</mods:namePart>
<mods:affiliation id="3DA7ABDED684E6057848CC17EDBB9387">Missouri Botanical Garden, P. O. Box 299, St. Louis, MO 63166 - 0299, U. S. A.</mods:affiliation>
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<mods:namePart id="71DC27FF3AD7EC08AB08683A5EA82DBA">Wang, Qian</mods:namePart>
<mods:affiliation id="B4AF0DD36E0E6491BC7E394BC681C994">MOE Key Laboratory for Bio-Resources and Eco-Environment, College of Life Science, Sichuan University, Chengdu 610065, P. R. China.</mods:affiliation>
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<mods:affiliation id="B0929257ACBBBC9B0F204D1F25F4EB90">MOE Key Laboratory for Bio-Resources and Eco-Environment, College of Life Science, Sichuan University, Chengdu 610065, P. R. China.</mods:affiliation>
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<mods:namePart id="33AC9EA3DC1766A0D0012B19CF310CDB">Liu, Jianquan</mods:namePart>
<mods:affiliation id="30D972D2916A88FC389CD10D967509E9">MOE Key Laboratory for Bio-Resources and Eco-Environment, College of Life Science, Sichuan University, Chengdu 610065, P. R. China.</mods:affiliation>
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<treatment id="6D1CF06CFFD9715CB089FB8EFD8EF0F8" ID-DOI="http://doi.org/10.5281/zenodo.13636668" ID-GBIF-Taxon="240101494" ID-Zenodo-Dep="13636668" LSID="urn:lsid:plazi:treatment:6D1CF06CFFD9715CB089FB8EFD8EF0F8" httpUri="http://treatment.plazi.org/id/6D1CF06CFFD9715CB089FB8EFD8EF0F8" lastPageNumber="188" pageId="3" pageNumber="188">
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<heading id="BE42F616FFD9715CB089FB8EFCA0F364" box="[136,865,1108,1135]" fontSize="11" level="2" pageId="3" pageNumber="188" reason="3">
<taxonomicName id="22B53AF9FFD9715CB089FB8EFCC1F364" ID-CoL="8GMKQ" authority="Al-Shehbaz, G.Q. Hao &amp; J.Q. Liu" authorityName="Al-Shehbaz, G. Q. Hao &amp; J. Q. Liu" authorityYear="2015" box="[136,768,1108,1135]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="racemosum" status="sp. nov.">
<emphasis id="D7C19D68FFD9715CB089FB8EFEBBF365" bold="true" box="[136,378,1108,1134]" italics="true" pageId="3" pageNumber="188">Eutrema racemosum</emphasis>
Al-Shehbaz, G.Q. Hao &amp; J.Q. Liu
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,
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<emphasis id="D7C19D68FFD9715CB30BFB8CFC98F364" box="[778,857,1110,1135]" italics="true" pageId="3" pageNumber="188">sp. nov</emphasis>
.
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<subSubSection id="ADAF12F1FFD9715CB089FB7AFD8EF0F8" pageId="3" pageNumber="188" type="materials_examined">
<paragraph id="E50A417AFFD9715CB089FB7AFDF4F3D2" blockId="3.[136,1452,1184,1241]" pageId="3" pageNumber="188">
Type:—
<collectingCountry id="9DA201EAFFD9715CB0D6FB7AFED2F3BE" box="[215,275,1184,1205]" name="China" pageId="3" pageNumber="188">China</collectingCountry>
.
<collectingRegion id="27718F98FFD9715CB11EFB7AFEB1F3BE" box="[287,368,1184,1205]" country="China" name="Sichuan" pageId="3" pageNumber="188">Sichuan</collectingRegion>
: Yajiang Xian, near glaciers, shrub margin of stream,
<quantity id="224DEC9FFFD9715CB395FB7AFBD4F3BE" box="[916,1045,1184,1205]" metricMagnitude="3" metricUnit="m" metricValue="3.6" metricValueMax="4.0" metricValueMin="3.2" pageId="3" pageNumber="188" unit="m" value="3600.0" valueMax="4000.0" valueMin="3200.0">32004000m</quantity>
,
<date id="910B67BAFFD9715CB423FB7AFB05F3BE" box="[1058,1220,1184,1205]" pageId="3" pageNumber="188" value="2013-08-22">22 August 2013</date>
,
<emphasis id="D7C19D68FFD9715CB4D0FB7AFE92F3D2" italics="true" pageId="3" pageNumber="188">Liu, jianquan &amp; Hao, Guoqian 14048</emphasis>
(
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,
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).
<figureCitation id="7D8E5DFFFFD9715CB1F6FB1EFDF1F3D2" box="[503,560,1220,1241]" captionStart="FIGURE 1" captionStartId="4.[136,229,1999,2020]" captionTargetBox="[402,1295,222,1958]" captionTargetId="figure-17@4.[166,1420,187,1977]" captionTargetPageId="4" captionText="FIGURE 1. E. racemosum Al-Shehbaz, G.Q. Hao &amp; J.Q. Liu; B: flower C: fruit; D: basal leaf; E: cauline leaf. Drawn by Wang, Q. from Liu, jianquan &amp; Hao, Guoqian 14048 (SZ)." figureDoi="http://doi.org/10.5281/zenodo.13636698" httpUri="https://zenodo.org/record/13636698/files/figure.png" pageId="3" pageNumber="188">Fig. 1</figureCitation>
.
</paragraph>
<paragraph id="E50A417AFFD9715CB089FAD0FD35F16C" blockId="3.[136,1452,1290,2035]" pageId="3" pageNumber="188">
Herbs, perennial, glabrous throughout or rarely puberulent, with a caudex and slightly fleshy root. Stems
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tall, erect or rarely ascending to decumbent, simple, often few from caudx. Basal leaves rosulate, somewhat fleshy; petiole
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; leaf blade ovate, suborbicular, or lanceolate, 711 ×
<quantity id="224DEC9FFFD9715CB37BFA88FC19F260" box="[890,984,1362,1387]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="3" pageNumber="188" unit="mm" value="6.0" valueMax="8.0" valueMin="4.0">48 mm</quantity>
, pinnately veined, base rounded, truncate, to cuneate, margin entire, apex obtuse to subacute; lowermost cauline leaves petiolate, upper ones sessile, lanceolate or linear-lanceolate, 815 ×
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, base cuneate, margin entire, apex subacute. Racemes elongated in fruit, 3 15(30) mm; fruiting pedicels slightly reflexed,
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. Sepals ovate,
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, persistent through fruit maturity; petals white, spathulate or broadly obovate, 23 ×
<quantity id="224DEC9FFFD9715CB2BAFA38FCEEF2F0" box="[699,815,1506,1531]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="3" pageNumber="188" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.52 mm</quantity>
, base cuneate, apex rounded; stamens6, subequal; ovules 410 per ovary. Fruit linear, lanceolate, to narrowly oblong, 48 ×
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, valves cuneate at both ends, with a prominent midvein; septum mostly perforate; style obsolete to
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. Seeds oblong, plump, ca. 2 ×
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, brownblack. Flowering: MayJuly. Fruiting: JulySeptember.
</paragraph>
<paragraph id="E50A417AFFD9715CB0BCF9A8FE51F1FC" blockId="3.[136,1452,1290,2035]" pageId="3" pageNumber="188">
Additional specimens examined:
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.
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<collectingRegion id="27718F98FFD9715CB296F9A8FD36F180" box="[663,759,1650,1675]" country="China" name="Sichuan" pageId="3" pageNumber="188">Sichuan</collectingRegion>
</emphasis>
: Jiulong Xian, Jichou Shan pass,
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.
<collectionCode id="83A4D9BFFFD9715CB485F9A8FB5AF180" box="[1156,1179,1650,1675]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
.
<emphasis id="D7C19D68FFD9715CB4A4F9A8FA6AF180" box="[1189,1451,1650,1675]" italics="true" pageId="3" pageNumber="188">
Liu &amp;
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.
<collectionCode id="83A4D9BFFFD9715CB50FF9A8FAE4F180" box="[1294,1317,1650,1675]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
. Hao 14046
</emphasis>
(
<collectionCode id="83A4D9BFFFD9715CB090F94CFF77F1A4" box="[145,182,1686,1711]" country="China" lsid="urn:lsid:biocol.org:col:14054" name="Sichuan University" pageId="3" pageNumber="188" type="Herbarium">SZ</collectionCode>
); Dege xian, Queer Shan,
<emphasis id="D7C19D68FFD9715CB1DEF94CFCDCF1A4" box="[479,797,1686,1711]" italics="true" pageId="3" pageNumber="188">
<collectionCode id="83A4D9BFFFD9715CB1DEF94CFE2EF1A4" box="[479,495,1686,1711]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="3" pageNumber="188" type="Herbarium">J</collectionCode>
.
<collectionCode id="83A4D9BFFFD9715CB1F9F94CFDCEF1A4" box="[504,527,1686,1711]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
. Liu &amp;
<collectionCode id="83A4D9BFFFD9715CB261F94CFDB6F1A4" box="[608,631,1686,1711]" country="Switzerland" lsid="urn:lsid:biocol.org:col:15706" name="Conservatoire et Jardin botaniques de la Ville de Genève" pageId="3" pageNumber="188" type="Herbarium">G</collectionCode>
.
<collectionCode id="83A4D9BFFFD9715CB280F94CFD59F1A4" box="[641,664,1686,1711]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
. Hao 14090
</emphasis>
(
<collectionCode id="83A4D9BFFFD9715CB32DF94CFC90F1A4" box="[812,849,1686,1711]" country="China" lsid="urn:lsid:biocol.org:col:14054" name="Sichuan University" pageId="3" pageNumber="188" type="Herbarium">SZ</collectionCode>
); SE of Shiqu Xian,
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<collectionCode id="83A4D9BFFFD9715CB433F94CFB83F1A4" box="[1074,1090,1686,1711]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="3" pageNumber="188" type="Herbarium">J</collectionCode>
.
<collectionCode id="83A4D9BFFFD9715CB44AF94CFBA3F1A4" box="[1099,1122,1686,1711]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
. Liu &amp;
<collectionCode id="83A4D9BFFFD9715CB4B3F94CFB08F1A4" box="[1202,1225,1686,1711]" country="Switzerland" lsid="urn:lsid:biocol.org:col:15706" name="Conservatoire et Jardin botaniques de la Ville de Genève" pageId="3" pageNumber="188" type="Herbarium">G</collectionCode>
.
<collectionCode id="83A4D9BFFFD9715CB4D2F94CFB2BF1A4" box="[1235,1258,1686,1711]" country="Ecuador" lsid="urn:lsid:biocol.org:col:14273" name="Universidad Central" pageId="3" pageNumber="188" type="Herbarium">Q</collectionCode>
. Hao14098
</emphasis>
(
<collectionCode id="83A4D9BFFFD9715CB578F94CFA5FF1A4" box="[1401,1438,1686,1711]" country="China" lsid="urn:lsid:biocol.org:col:14054" name="Sichuan University" pageId="3" pageNumber="188" type="Herbarium">SZ</collectionCode>
); Kangding Xian, Dapao Shan,
<quantity id="224DEC9FFFD9715CB1DDF960FDF5F1D8" box="[476,564,1722,1747]" metricMagnitude="3" metricUnit="m" metricValue="4.3" pageId="3" pageNumber="188" unit="m" value="4300.0">4300 m</quantity>
,
<emphasis id="D7C19D68FFD9715CB240F960FCD8F1D8" box="[577,793,1722,1747]" italics="true" pageId="3" pageNumber="188">Harry Smith 11260</emphasis>
(
<collectionCode id="83A4D9BFFFD9715CB328F960FC8FF1D8" box="[809,846,1722,1747]" country="China" lsid="urn:lsid:biocol.org:col:15858" name="Institute of Botany, Chinese Academy of Sciences" pageId="3" pageNumber="188" type="Herbarium">PE</collectionCode>
,
<collectionCode id="83A4D9BFFFD9715CB35BF960FC53F1D8" box="[858,914,1722,1747]" country="Sweden" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15542" lsid="urn:lsid:biocol.org:col:15542" name="Uppsala University, Museum of Evolution, Botany Section (Fytoteket)" pageId="3" pageNumber="188" type="Herbarium">UPS</collectionCode>
).
<emphasis id="D7C19D68FFD9715CB3A7F960FC2DF1D8" bold="true" box="[934,1004,1722,1747]" pageId="3" pageNumber="188">
<collectingRegion id="27718F98FFD9715CB3A7F960FC2DF1D8" box="[934,1004,1722,1747]" country="China" name="Hebei" pageId="3" pageNumber="188">Hebei</collectingRegion>
</emphasis>
: Wei Xian, Xiaowutai Shan,
<emphasis id="D7C19D68FFD9715CB539F960FE8FF1FC" italics="true" pageId="3" pageNumber="188">Xiaowutai Expedition 74155</emphasis>
(
<collectionCode id="83A4D9BFFFD9715CB15FF904FE45F1FC" box="[350,388,1758,1783]" country="China" lsid="urn:lsid:biocol.org:col:15858" name="Institute of Botany, Chinese Academy of Sciences" pageId="3" pageNumber="188" type="Herbarium">PE</collectionCode>
).
</paragraph>
<paragraph id="E50A417AFFD9715CB0BCF8D8FC03F08C" blockId="3.[136,1452,1290,2035]" pageId="3" pageNumber="188">
<taxonomicName id="22B53AF9FFD9715CB0BCF8D8FE62F010" box="[189,419,1794,1819]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="racemosum">
<emphasis id="D7C19D68FFD9715CB0BCF8D8FE62F010" box="[189,419,1794,1819]" italics="true" pageId="3" pageNumber="188">Eutrema racemosum</emphasis>
</taxonomicName>
is most similar to
<emphasis id="D7C19D68FFD9715CB269F8D8FCECF010" box="[616,813,1794,1819]" italics="true" pageId="3" pageNumber="188">
<taxonomicName id="22B53AF9FFD9715CB269F8D8FCE8F010" authorityName="Hara" authorityYear="1973" baseAuthorityName="Smith" baseAuthorityYear="1919" box="[616,809,1794,1819]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="heterophyllum">E. heterophyllum</taxonomicName>
,
</emphasis>
and their geographical ranges overlap in western
<collectingRegion id="27718F98FFD9715CB54BF8D8FA69F010" box="[1354,1448,1794,1819]" country="China" name="Sichuan" pageId="3" pageNumber="188">Sichuan</collectingRegion>
. However, it differs from the latter by having elongated (vs. compact) fruiting racemes. It is also similar to the allopatric
<taxonomicName id="22B53AF9FFD9715CB089F890FED2F068" authorityName="Brown" authorityYear="1823" box="[136,275,1866,1891]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="edwardsii">
<emphasis id="D7C19D68FFD9715CB089F890FED2F068" box="[136,275,1866,1891]" italics="true" pageId="3" pageNumber="188">E. edwardsii</emphasis>
</taxonomicName>
which also has elongated racemes but fruiting pedicels in
<taxonomicName id="22B53AF9FFD9715CB39AF890FBE7F068" authorityName="Brown" authorityYear="1823" box="[923,1062,1866,1891]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="edwardsii">
<emphasis id="D7C19D68FFD9715CB39AF890FBE7F068" box="[923,1062,1866,1891]" italics="true" pageId="3" pageNumber="188">E. edwardsii</emphasis>
</taxonomicName>
are often divaricate-ascending and curved upward, rather than somewhat reflexed as in
<taxonomicName id="22B53AF9FFD9715CB2D2F8B4FC7BF08C" box="[723,954,1902,1927]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="racemosum">
<emphasis id="D7C19D68FFD9715CB2D2F8B4FC7BF08C" box="[723,954,1902,1927]" italics="true" pageId="3" pageNumber="188">Eutrema racemosum</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="E50A417AFFD9715CB0BCF848FD8EF0F8" blockId="3.[136,1452,1290,2035]" pageId="3" pageNumber="188">
In two populations where
<taxonomicName id="22B53AF9FFD9715CB1F5F848FD1EF0A0" box="[500,735,1938,1963]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="racemosum">
<emphasis id="D7C19D68FFD9715CB1F5F848FD1EF0A0" box="[500,735,1938,1963]" italics="true" pageId="3" pageNumber="188">Eutrema racemosum</emphasis>
</taxonomicName>
and
<taxonomicName id="22B53AF9FFD9715CB31EF848FC17F0A0" box="[799,982,1938,1963]" class="Magnoliopsida" family="Brassicaceae" genus="Eutrema" kingdom="Plantae" order="Brassicales" pageId="3" pageNumber="188" phylum="Tracheophyta" rank="species" species="heterphyllum">
<emphasis id="D7C19D68FFD9715CB31EF848FC17F0A0" box="[799,982,1938,1963]" italics="true" pageId="3" pageNumber="188">E. heterphyllum</emphasis>
</taxonomicName>
were sympatric, a few individuals with intermediate morphology were discovered (
<figureCitation id="7D8E5DFFFFD9715CB276F86CFD7FF0C4" box="[631,702,1974,1999]" captionStart="FIGURE 3" captionStartId="6.[136,229,1825,1846]" captionTargetBox="[151,1436,190,1801]" captionTargetId="figure-17@6.[151,1436,190,1801]" captionTargetPageId="6" captionText="FIGURE 3. Specimen of Eutrema heterophyllum (A), E. racemosum (B, holotype), and interspecific hybrids (C, D)." figureDoi="http://doi.org/10.5281/zenodo.13636702" httpUri="https://zenodo.org/record/13636702/files/figure.png" pageId="3" pageNumber="188">Fig. 3</figureCitation>
:
<collectionCode id="83A4D9BFFFD9715CB2CAF86CFD20F0C4" box="[715,737,1974,1999]" country="Denmark" name="University of Copenhagen" pageId="3" pageNumber="188" type="Herbarium">C</collectionCode>
). These individuals were confirmed as interspecific hybrids by the molecular evidence presented below.
</paragraph>
</subSubSection>
</treatment>
</document>