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<document ID-CLB-Dataset="28260" ID-DOI="http://dx.doi.org/10.3897/phytokeys.108.27652" ID-GBIF-Dataset="db99327c-6b14-4d79-9a0c-4b8c941ca1bd" ID-PMC="PMC6160854" ID-Pensoft-Pub="1314-2003-108-25" ID-Pensoft-UUID="613AFFC18E03FFDEFFA1DB2FFF88FFAE" ID-PubMed="30275733" ID-Zenodo-Dep="1409868" ModsDocAuthor="" ModsDocDate="2018" ModsDocID="1314-2003-108-25" ModsDocOrigin="PhytoKeys " ModsDocTitle="Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L." checkinTime="1553125367062" checkinUser="pensoft" docAuthor="Pellegrini, Marco O. O., Horn, Charles N. &amp; Almeida, Rafael F." docDate="2018" docId="D257F91963E5EF11BF2D91A4394D5094" docLanguage="en" docName="PhytoKeys 108: 25-83" docOrigin="PhytoKeys 108" docSource="http://dx.doi.org/10.3897/phytokeys.108.27652" docTitle="Pontederia plantaginea Roxb., Fl. Ind. (ed. 1832) 2: 123. 1832" docType="treatment" docVersion="8" id="613AFFC18E03FFDEFFA1DB2FFF88FFAE" lastPageNumber="25" masterDocId="613AFFC18E03FFDEFFA1DB2FFF88FFAE" masterDocTitle="Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L." masterLastPageNumber="83" masterPageNumber="25" pageNumber="25" updateTime="1732672193299" updateUser="ExternalLinkService">
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<mods:title id="2427C42F9F2CC3A19511DAE36DC2ABE5">Total evidence phylogeny of Pontederiaceae (Commelinales) sheds light on the necessity of its recircumscription and synopsis of Pontederia L.</mods:title>
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<mods:namePart id="EAB33AAAC17ACF842EEFA53AB92BF0E5">Pellegrini, Marco O. O.</mods:namePart>
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<mods:namePart id="5DFDDCB0FC4B032EA1D69580D13CDC02">Horn, Charles N.</mods:namePart>
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<mods:namePart id="228BCAF8152CE8A83BC49AC52042CA24">Almeida, Rafael F.</mods:namePart>
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<mods:identifier id="DFE6808E82018E622DC60753E09BB2C7" type="DOI">http://dx.doi.org/10.3897/phytokeys.108.27652</mods:identifier>
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<treatment id="D257F91963E5EF11BF2D91A4394D5094" ID-GBIF-Taxon="154472645" LSID="urn:lsid:plazi:treatment:D257F91963E5EF11BF2D91A4394D5094" httpUri="http://treatment.plazi.org/id/D257F91963E5EF11BF2D91A4394D5094" lastPageNumber="25" pageId="0" pageNumber="25" scope_family="Pontederiaceae" scope_order="Commelinales">
<subSubSection id="1E51429831DD32D3701CD0D0F5A3DF2E" pageId="0" pageNumber="25" type="nomenclature">
<paragraph id="0BA684B3CB0A58083662BAE9FD996DCD" pageId="0" pageNumber="25">
2.8.
<taxonomicName id="1FFC96CBD3A5A206D3F3C40C77000126" ID-CoL="4LTX3" LSID="301B5754-E29A-506B-8A55-6E187D6CE795" authority="Roxb., Fl. Ind. (ed. 1832) 2: 123. 1832." class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">Pontederia plantaginea Roxb., Fl. Ind. (ed. 1832) 2: 123. 1832.</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection id="EB3293323E9395BE4DEE152A66D18AA9" pageId="0" pageNumber="25" type="reference_group">
<paragraph id="3A318B77F8D20A7CCB06046A80B4184B" pageId="0" pageNumber="25">
<taxonomicName id="C4CEACF5B756D2A3DC3199CF68841C8F" authorityName="Solms" authorityYear="1883" baseAuthorityName="Roxb." class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" infraspecific-rank="var." kingdom="Plantae" lsidName="Monochoria vaginalis var. plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="variety" species="vaginalis" variety="plantaginea">Monochoria vaginalis var. plantaginea</taxonomicName>
(Roxb.) Solms, Monogr. Phan. 4: 524. 1883.
</paragraph>
<paragraph id="144B831866EF322910289F4B16860DF0" pageId="0" pageNumber="25">
<taxonomicName id="92564F8181BE9879CDE456CDE979E854" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monochoria plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">Monochoria plantaginea</taxonomicName>
(Roxb.) Kunth, Enum. Pl. 4: 135. 1843. Lectotype (designated here). NEPAL: Nathpur, fl., Aug. 1821, N. Wallich 5096 (K barcode K001104737!; isolectotypes: K barcodes K001104733!, K001104734!, K001104735!, K001104736!, K001104738!, K001104739!, K001104740!).
</paragraph>
<paragraph id="5F38E45D7AF480DA9A1F2640EBFA4114" pageId="0" pageNumber="25">
<taxonomicName id="B0BCCF08AD12254E48BA373B8E0308B0" authorityName="G. X. Wang" authorityYear="2003" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" infraspecific-rank="var." kingdom="Plantae" lsidName="Monochoria vaginalis var. angustifolia" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="variety" species="vaginalis" variety="angustifolia">Monochoria vaginalis var. angustifolia</taxonomicName>
G.X.Wang, Acta Phytotax. Sin. 41: 569. 2003. Type. THAILAND. Koksung: in a marshy place, fl., 18 Sep 1984, N. Fukuoka T-36166 (holotype: KYO!; isotypes: A n.v., BKF n.v., L n.v.).
<emphasis id="9A35F68DA57F5F4B7B83BA591D3ABF53" bold="true" pageId="0" pageNumber="25">Syn. nov.</emphasis>
</paragraph>
<paragraph id="8D56FEB5D6BACAE4337C908342904DF1" pageId="0" pageNumber="25">
<taxonomicName id="BCED35678F342540504FB1EC5496313F" class="Liliopsida" family="Pontederiaceae" genus="Boottia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Boottia mairei" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="mairei">Boottia mairei</taxonomicName>
H.
<normalizedToken id="BE9BD474457BB0E6722F6F4DD6ECA66A" originalValue="Lév">Lev</normalizedToken>
., Cat. Pl. Yun-Nan 131. 1916. Type. CHINA. Yunnan: Dongchuan [Tangdan], fl., Aug 1912, E.E. Maire s.n. (holotype: E barcode E00386692!).
<emphasis id="22845DD77454F4EF8CFF0B97E85A43CA" bold="true" pageId="0" pageNumber="25">Syn. nov.</emphasis>
</paragraph>
<paragraph id="194F2917D31BE996892D16CB6DA6026A" pageId="0" pageNumber="25">
<taxonomicName id="1CC55676EB26A436EC2C9A17AF855EAD" authorityName="Hassk" authorityYear="1852" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monochoria junghuhniana" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="junghuhniana">Monochoria junghuhniana</taxonomicName>
Hassk., Flora 35: 115. 1852. Lectotype (designated here). INDONESIA. Java, Yogyakarta, Djokjakarta, prope Samas ad affim Opar, fl., s.dat., Junghuhn s.n. (L barcode L0041652!).
<emphasis id="6882DE93FD8C1CD10CCF5EBFE3320191" bold="true" pageId="0" pageNumber="25">Syn. nov.</emphasis>
</paragraph>
<paragraph id="62D57137B52DE09979C8CDB7BF1E143E" pageId="0" pageNumber="25">
<taxonomicName id="7C86A2EC5225F660996CEF5818964529" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monochoria linearis" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="linearis">Monochoria linearis</taxonomicName>
(Hassk.) Miq., Fl. Ned. Ind. 3: 549. 1859.
</paragraph>
<paragraph id="1AFBF405435E94E7A0040AE71C9B532D" pageId="0" pageNumber="25">
<taxonomicName id="825B88311AAA71A7B81403905F5083CF" authorityName="Hassk" authorityYear="1842" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia linearis" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="linearis">Pontederia linearis</taxonomicName>
Hassk., Flora 25(2, Beibl.): 4. 1842. Type (not found). INDONESIA. Java (L?).
<emphasis id="0F1FE1703A4D2E595C6C8FA9D7D1B587" bold="true" pageId="0" pageNumber="25">Syn. nov.</emphasis>
</paragraph>
<paragraph id="6D5F6D3E55FAE3B7E10918F1640817DD" pageId="0" pageNumber="25">
<taxonomicName id="03C35BC5DED7F286716A40E2E7504AF2" authorityName="Kunth" authorityYear="1843" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monochoria ovata" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="ovata">Monochoria ovata</taxonomicName>
Kunth, Enum. Pl. 4: 665. 1843.
</paragraph>
<paragraph id="CB6614AB166813C05FB27C9D52D39D1C" pageId="0" pageNumber="25">
<taxonomicName id="20D908860BBF1D46FB383EF5DF88855B" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia ovata" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="ovata">Pontederia ovata</taxonomicName>
Hook. &amp; Arn., Bot. Beechey Voy. 218 1837, nom. illeg. non
<taxonomicName id="F780BB5E7E6E867AAFC97A25AD2F991F" class="Liliopsida" family="Pontederiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="P. ovata" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="ovata">P. ovata</taxonomicName>
L. Lectotype (designated here). SRI LANKA. Canton, fl., s.dat., Millet s.n. (G barcode G00164757!; isolectotype: E n.v.).
</paragraph>
<paragraph id="5C63821B3A5C2395DBB4F0B06D583830" pageId="0" pageNumber="25">
<taxonomicName id="506628F6176FA959494BDA79A55516C1" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia cernua" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="cernua">Pontederia cernua</taxonomicName>
L.
<emphasis id="B0EB5496828458CA4133BA256314984B" italics="true" pageId="0" pageNumber="25">ex</emphasis>
B.D.Jacks., Index Linn. Herb.: 129. 1912, nom. nud.
</paragraph>
<paragraph id="1E50FC8842D41D8F269A7C4CD2273F9F" pageId="0" pageNumber="25">
<taxonomicName id="5C59B8DDF9AB27143BA5F07982C48EC8" authorityName="Buch - Ham ex Wall" authorityYear="1831" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia alba" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="alba">Pontederia alba</taxonomicName>
Buch.-Ham.
<emphasis id="D15F75F6DD7175E6662286AC482B171E" italics="true" pageId="0" pageNumber="25">ex</emphasis>
Wall., Numer. List: 5095 D. 1831, nom. nud.
</paragraph>
<paragraph id="CCABEB21E67D53768719FC27CDE79F8E" pageId="0" pageNumber="25">
<taxonomicName id="946437880B7F58DE20F6DE3B897E411D" authorityName="Buch - Ham ex Wall" authorityYear="1831" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia racemosa" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="racemosa">Pontederia racemosa</taxonomicName>
Buch.-Ham.
<emphasis id="D2E58874241B0301C65D37A548326401" italics="true" pageId="0" pageNumber="25">ex</emphasis>
Wall., Numer. List: 5095C. 1831, nom. nud.
</paragraph>
<paragraph id="4C771CD5D84CF82FCF771FAD12420C55" pageId="0" pageNumber="25">
<taxonomicName id="6F9CFFB880A6F7AC514E1A48214DCE13" class="Liliopsida" family="Pontederiaceae" genus="Pontederia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Pontederia lanceolata" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="lanceolata">Pontederia lanceolata</taxonomicName>
Wall.
<emphasis id="8CFB7DDF18274F969DEE9D5DCED32CF1" italics="true" pageId="0" pageNumber="25">ex</emphasis>
Kunth, Enum. Pl. 4: 135. 1843, pro. syn.
</paragraph>
</subSubSection>
<subSubSection id="BB3246D08A038550A85B50AFA4156FA6" pageId="0" pageNumber="25" type="distribution">
<paragraph id="AE5E57B799770D6F55EE34D93CFE0FA2" pageId="0" pageNumber="25">Distribution.</paragraph>
<paragraph id="A4D6D3EDE0201039EE2F0152213B9657" pageId="0" pageNumber="25">Australia, Bangladesh, Cambodia, China, India, Indonesia, Myanmar, Nepal, Sri Lanka, Thailand and Vietnam.</paragraph>
</subSubSection>
<subSubSection id="CDEFCFA7780F973EBCBDBEE9A0C98A2C" pageId="0" pageNumber="25" type="nomenclatural notes">
<paragraph id="AA12D1B8DB721C5EF40DE8A232B631CA" pageId="0" pageNumber="25">Nomenclatural notes.</paragraph>
<paragraph id="E5910E9DA228265B9C88DD1F01A532AB" pageId="0" pageNumber="25">
<bibRefCitation id="DB5AC17E10686EA0D208B87BD7E22B56" author="Cook, CDK" journalOrPublisher="Bulletin de la Societe botanique de France" pageId="0" pageNumber="25" refId="B20" refString="Cook, CDK, 1989. Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149-184." title="Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149 - 184." year="1989">Cook (1989)</bibRefCitation>
cites that no suitable specimens, collected by Roxburgh, were found. Nonetheless, according to
<bibRefCitation id="5C700827E384453B8C9F9B9578039E56" author="Stafleu, FA" journalOrPublisher="Regnum Vegetabile 110, Rugell: A. R. G. Gantner Verlag K. G." pageId="0" pageNumber="25" refId="B109" refString="Stafleu, FA, Cowan, RS, 1983. Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types (ed. 2, Vol. IV). Regnum Vegetabile 110, Rugell: A.R.G. Gantner Verlag K.G." title="Taxonomic literature. A selective guide to botanical publications and collections with dates, commentaries and types (ed. 2, Vol. IV)." year="1983">Stafleu and Cowan (1983)</bibRefCitation>
and
<bibRefCitation id="9946E6ED09B7280B71B5A5DCAF2CC2E2" author="Forman, LL" journalOrPublisher="Kew Bulletin" pageId="0" pageNumber="25" pagination="513 - 534" refId="B36" refString="Forman, LL, 1997. Notes concerning the typification of names of William Roxburgh's species of Phanerogams. Kew Bulletin 52 (3): 513 - 534" title="Notes concerning the typification of names of William Roxburgh's species of Phanerogams." volume="52" year="1997">Forman (1997)</bibRefCitation>
, many of
<normalizedToken id="3CA6B2D5F6A1FB9E66D50A9A77C04FB2" originalValue="Roxburghs">Roxburgh's</normalizedToken>
new species described after 1831 were based on specimens at the Wallich Herbarium (currently housed at K). After visiting Kew, we came across a series of specimens at Wallich Herbarium (
<emphasis id="E279AA72571AD3C212501DD86EABD672" italics="true" pageId="0" pageNumber="25">Wallich 5096</emphasis>
), collected in the Bengal region (Bangladesh, Myanmar, Nepal and India), that perfectly matched the protologue of
<taxonomicName id="49E6598B320BC2206A81267BADDB1037" class="Liliopsida" family="Pontederiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="P. plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">
<emphasis id="F47781FE13DE734C6FFBD6CBDF9B889B" italics="true" pageId="0" pageNumber="25">P. plantaginea</emphasis>
</taxonomicName>
. One of the herbarium sheets contained several complete flowering specimens in perfect condition. Thus, we designate the gathering under the barcode K001104737, as the lectotype for
<taxonomicName id="B339BDCBDE7A3D7AA0A060D723776423" class="Liliopsida" family="Pontederiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="P. plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">
<emphasis id="6E54334B7BCB28399105E0C28E8BB5A9" italics="true" pageId="0" pageNumber="25">P. plantaginea</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="4E2232B913E33D31ECCB70F14981AA30" pageId="0" pageNumber="25">
<bibRefCitation id="C7CB28EC1F353D7FE3790172C9CA311D" author="Hasskarl, JC" journalOrPublisher="Regensburg, Die Gesellschaft" pageId="0" pageNumber="25" refId="B49" refString="Hasskarl, JC, 1852. Flora oder Botanische Zeitung, vol. 35. Regensburg, Die Gesellschaft" title="Flora oder Botanische Zeitung, vol. 35." year="1852">Hasskarl (1852)</bibRefCitation>
, when describing
<taxonomicName id="0F226DC2F7C2A9F85C123E7D626C9338" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. junghuhniana" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="junghuhniana">
<emphasis id="A65E1CF05097075243ABD4225CEE9C6A" italics="true" pageId="0" pageNumber="25">M. junghuhniana</emphasis>
</taxonomicName>
, makes no reference to any specimens. However, the author does mention that his new species is native to Sumatra, near Samas and Opar. After analysing the collection at L, we came across a specimen from exactly the same locality as indicated in the protologue and most likely collected by Junghuhn. Thus, it is designated by us as the lectotype for
<taxonomicName id="879A63613C6BB5D9E38DB42D63CE68F5" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. junghuhniana" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="junghuhniana">
<emphasis id="0AA9594B8150CF88DE191EDA04B3630A" italics="true" pageId="0" pageNumber="25">M. junghuhniana</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="83F5DCC1C78EA55C9156DC5CD8FE9066" pageId="0" pageNumber="25" type="taxonomical notes">
<paragraph id="FF381DF940EE8279340A5F6CD1E1F7A9" pageId="0" pageNumber="25">Taxonomical notes.</paragraph>
<paragraph id="0ACBCDCDA6F757F40B1AF370615FD373" pageId="0" pageNumber="25">
<taxonomicName id="498FB2B7039130DF8EBFC49C545C4A0D" class="Liliopsida" family="Pontederiaceae" genus="Monochoria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Monochoria vaginalis" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="vaginalis">
<emphasis id="0FF5B218F3640AFEBACF5A4631E1C03A" italics="true" pageId="0" pageNumber="25">Monochoria vaginalis</emphasis>
</taxonomicName>
, in its current circumscription (
<bibRefCitation id="531B0CEEC926BF430F7EA77977017DDB" author="Cook, CDK" journalOrPublisher="Bulletin de la Societe botanique de France" pageId="0" pageNumber="25" refId="B20" refString="Cook, CDK, 1989. Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149-184." title="Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149 - 184." year="1989">Cook 1989</bibRefCitation>
), is widely morphologically variable and distributed. However, recent studies (
<bibRefCitation id="093F0B6B95E36667216E6C0ADEDA819E" author="Wang, G-X" journalOrPublisher="Phytotaxonomica Sinica" pageId="0" pageNumber="25" pagination="569 - 572" refId="B122" refString="Wang, G-X, Li, W, Wan, X, Ito, M, 2003. Monochoria vaginalis var. angustifolia, a new variety of the Pontederiaceae from Thailand. Phytotaxonomica Sinica 41: 569 - 572" title="Monochoria vaginalis var. angustifolia, a new variety of the Pontederiaceae from Thailand." volume="41" year="2003">Wang et al. 2003</bibRefCitation>
;
<bibRefCitation id="4252EC795E7E62F03945330F05A44DDE" author="Tungmunnithum, D" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="25" pagination="057 - 068" refId="B117" refString="Tungmunnithum, D, Boonkerd, T, Zungsontiporn, S, Tanaka, N, 2016. Morphological variations among populations of Monochoria vaginalis s.l. (Pontederiaceae) in Thailand. Phytotaxa 268 (1): 057 - 068" title="Morphological variations among populations of Monochoria vaginalis s. l. (Pontederiaceae) in Thailand." volume="268" year="2016">Tungmunnithum et al. 2016</bibRefCitation>
) have highlighted the need to revisit the species boundaries in this taxon. Recently,
<bibRefCitation id="B79932F48A2896BC37E159F890B72149" author="Tungmunnithum, D" journalOrPublisher="Phytotaxa" pageId="0" pageNumber="25" pagination="057 - 068" refId="B117" refString="Tungmunnithum, D, Boonkerd, T, Zungsontiporn, S, Tanaka, N, 2016. Morphological variations among populations of Monochoria vaginalis s.l. (Pontederiaceae) in Thailand. Phytotaxa 268 (1): 057 - 068" title="Morphological variations among populations of Monochoria vaginalis s. l. (Pontederiaceae) in Thailand." volume="268" year="2016">Tungmunnithum et al. (2016)</bibRefCitation>
published a thorough morphometric study on
<taxonomicName id="162F63D17DDAE704A3224F1819B31E2D" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. vaginalis" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="vaginalis">
<emphasis id="FA57633FC5C08414E25A76993BD64261" italics="true" pageId="0" pageNumber="25">M. vaginalis</emphasis>
</taxonomicName>
<emphasis id="9D20E94B25DAB26EBFFB477A193DAA46" italics="true" pageId="0" pageNumber="25">s.l.</emphasis>
from Thailand and showed that two taxa are easily recognisable. The authors informally recognised
<taxonomicName id="B2A232DAD144486CE03EB6BE0D0147A5" authority="Burm. f. var. vaginalis" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" infraspecific-rank="var." kingdom="Plantae" lsidName="M. vaginalis var. vaginalis" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="variety" species="vaginalis" variety="vaginalis">M. vaginalis Burm.f. var. vaginalis</taxonomicName>
and
<taxonomicName id="C71BA1CC49AAA3D5EDEAF5724DD93522" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" infraspecific-rank="var." kingdom="Plantae" lsidName="M. vaginalis var. angustifolia" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="variety" species="vaginalis" variety="angustifolia">M. vaginalis var. angustifolia</taxonomicName>
G.X.Wang as representing each of the recovered morphotypes. Nonetheless, after studying all the names treated as synonyms of
<taxonomicName id="9730275A4D3FD8E1F4CA752C8AC11C72" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. vaginalis" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="vaginalis">
<emphasis id="92BF508AEB689E48AF44239953AE472D" italics="true" pageId="0" pageNumber="25">M. vaginalis</emphasis>
</taxonomicName>
<emphasis id="FA0A81D1970D9C53021202451B7C8E3A" italics="true" pageId="0" pageNumber="25">s.l.</emphasis>
by
<bibRefCitation id="097F662791505790554AE6D032AA8D8F" author="Cook, CDK" journalOrPublisher="Bulletin de la Societe botanique de France" pageId="0" pageNumber="25" refId="B20" refString="Cook, CDK, 1989. Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149-184." title="Taxonomic revision of Monochoria (Pontederiaceae). In: Tan K, et al. (Eds) The Davis &amp; Hedge Festschrift: Plant Taxonomy, Phytogeography, and Related Subjects. Edinburgh University Press, Edinburgh, 149 - 184." year="1989">Cook (1989)</bibRefCitation>
, we concluded that
<taxonomicName id="1A6001277520F869DA5817666DECE9F2" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" infraspecific-rank="var." kingdom="Plantae" lsidName="M. vaginalis var. angustifolia" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="variety" species="vaginalis" variety="angustifolia">M. vaginalis var. angustifolia</taxonomicName>
and
<taxonomicName id="588999AF13F281108EEC07E2C45FAE25" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. junghuhniana" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="junghuhniana">
<emphasis id="776416BC411E4406946FF242B36C0287" italics="true" pageId="0" pageNumber="25">M. junghuhniana</emphasis>
</taxonomicName>
are conspecific to
<taxonomicName id="7D809DF6894D96BF6EF4C0F6EDE99AE1" class="Liliopsida" family="Pontederiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="P. plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">
<emphasis id="10C7DD3C25F3FD4A59174BF63191DDD3" italics="true" pageId="0" pageNumber="25">P. plantaginea</emphasis>
</taxonomicName>
Roxb. Thus,
<taxonomicName id="71DE0B7B5845841600DEF9B931B9DAED" class="Liliopsida" family="Pontederiaceae" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="P. plantaginea" order="Commelinales" pageId="0" pageNumber="25" phylum="Tracheophyta" rank="species" species="plantaginea">
<emphasis id="DFA85A6853130D1D594C3F86E6FAF99C" italics="true" pageId="0" pageNumber="25">P. plantaginea</emphasis>
</taxonomicName>
is here re-established and
<taxonomicName id="935C0B25C1DE5F1F87DEE446E8610118" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" infraspecific-rank="var." kingdom="Plantae" lsidName="M. vaginalis var. angustifolia" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="variety" species="vaginalis" variety="angustifolia">M. vaginalis var. angustifolia</taxonomicName>
and
<taxonomicName id="C8ABA175CF945DE5F6E978486D6B07CE" class="Liliopsida" family="Juncaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="M. junghuhniana" order="Poales" pageId="0" pageNumber="25" phylum="Magnoliophyta" rank="species" species="junghuhniana">
<emphasis id="42A89A1A74CB400E0C410A418261A260" italics="true" pageId="0" pageNumber="25">M. junghuhniana</emphasis>
</taxonomicName>
are treated as synonyms of the latter.
</paragraph>
</subSubSection>
</treatment>
</document>