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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.88.12891" ID-PMC="PMC5672133" ID-Pensoft-Pub="1314-2003-88-1" ID-Pensoft-UUID="FF96FFA8FFCD17717013D224FF85FF9F" ID-PubMed="29118645" ID-Zenodo-Dep="1138043" ModsDocID="1314-2003-88-1" checkinTime="1507734418711" checkinUser="pensoft" docAuthor="Wood, John R. I., Munoz-Rodriguez, Pablo, Degen, Rosa &amp; Scotland, Robert W." docDate="2017" docId="09B2F975E3865FF99A057C8A64EB5531" docLanguage="en" docName="PhytoKeys 88: 1-38" docOrigin="PhytoKeys 88" docPubDate="2017-10-11" docSource="http://dx.doi.org/10.3897/phytokeys.88.12891" docTitle="Ipomoea ensiformis J. R. I. Wood &amp; Scotland 2017, sp.nov." docType="treatment" docVersion="3" id="FF96FFA8FFCD17717013D224FF85FF9F" lastPageNumber="15" masterDocId="FF96FFA8FFCD17717013D224FF85FF9F" masterDocTitle="New species of Ipomoea (Convolvulaceae) from South America" masterLastPageNumber="38" masterPageNumber="1" pageNumber="14" updateTime="1668142099483" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>New species of Ipomoea (Convolvulaceae) from South America</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wood, John R. I.</mods:namePart>
<mods:affiliation>Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX 1 3 RB, UK &amp; Honorary Research Associate, Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AB, UK</mods:affiliation>
<mods:nameIdentifier type="email">jriwood@hotmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Munoz-Rodriguez, Pablo</mods:namePart>
<mods:affiliation>Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX 1 3 RB, UK</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Degen, Rosa</mods:namePart>
<mods:affiliation>Facultad de Ciencias Quimicas, Departamento de Botanica, Universidad Nacional de Asuncion, Herbario FCQ, Casilla de Correo Campus UNA, 11001 - 3291, Paraguay</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Scotland, Robert W.</mods:namePart>
<mods:affiliation>Department of Plant Sciences, University of Oxford, South Parks Road, Oxford, OX 1 3 RB, UK</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2017</mods:date>
<mods:detail type="pubDate">
<mods:number>2017-10-11</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>88</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>38</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.88.12891</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.88.12891</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-88-1</mods:identifier>
<mods:identifier type="Pensoft-UUID">FF96FFA8FFCD17717013D224FF85FF9F</mods:identifier>
<mods:identifier type="Zenodo-Dep">1138043</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="182225744" LSID="urn:lsid:plazi:treatment:09B2F975E3865FF99A057C8A64EB5531" httpUri="http://treatment.plazi.org/id/09B2F975E3865FF99A057C8A64EB5531" lastPageId="14" lastPageNumber="15" pageId="13" pageNumber="14">
<subSubSection pageId="13" pageNumber="14" type="nomenclature">
<paragraph pageId="13" pageNumber="14">
<taxonomicName LSID="09B2F975-E386-5FF9-9A05-7C8A64EB5531" authority="J. R. I. Wood &amp; Scotland" authorityName="J. R. I. Wood &amp; Scotland" authorityYear="2017" class="Magnoliopsida" family="Convolvulaceae" genus="Ipomoea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ipomoea ensiformis" order="Solanales" pageId="13" pageNumber="14" phylum="Tracheophyta" rank="species" species="ensiformis" status="sp.nov.">
<pageBreakToken pageId="13" pageNumber="14" start="start">Ipomoea</pageBreakToken>
ensiformis J.R.I.Wood &amp; Scotland
</taxonomicName>
<taxonomicNameLabel pageId="13" pageNumber="14">sp.nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Ipomoea ensiformis. A habit B rootstock C base of young leaves showing indumentum D Outer sepal E inner sepal. Drawn by Rosemary Wise from Gates &amp; Estabrook 4." figureDoi="10.3897/phytokeys.88.12891.figure8" httpUri="https://binary.pensoft.net/fig/160690" pageId="13" pageNumber="14">Figure 8</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="diagnosis">
<paragraph pageId="13" pageNumber="14">Diagnosis.</paragraph>
<paragraph pageId="13" pageNumber="14">
<taxonomicName authorityName="J. R. I. Wood &amp; Scotland" authorityYear="2017" class="Magnoliopsida" family="Convolvulaceae" genus="Ipomoea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ipomoea ensiformis" order="Solanales" pageId="13" pageNumber="14" phylum="Tracheophyta" rank="species" species="ensiformis">
<emphasis italics="true" pageId="13" pageNumber="14">Ipomoea ensiformis</emphasis>
</taxonomicName>
somewhat resembling
<taxonomicName lsidName="I. campestris" pageId="13" pageNumber="14" rank="species" species="campestris">
<emphasis italics="true" pageId="13" pageNumber="14">I. campestris</emphasis>
</taxonomicName>
but differs in a range of characters. It is a prostrate, glabrescent (pubescent only on young parts) plant, the leaves distinctly petiolate and terminating in an obtuse apex. The sepals are glabrous, &lt;8 mm long and the corolla is smaller at 3-4 cm long and relatively widely funnel-shaped. In contrast,
<taxonomicName lsidName="I. campestris" pageId="13" pageNumber="14" rank="species" species="campestris">
<emphasis italics="true" pageId="13" pageNumber="14">I. campestris</emphasis>
</taxonomicName>
is usually erect, pubescent to pilose in all vegetative parts and the leaves are subsessile, acute and mucronate. The sepals are 8-11 mm long, the exterior pubescent while the corolla is about 5.5 to 6 cm in length. Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Differences between Ipomoea campestris, I. attenuata, I. dolichopoda and I. ensiformis." httpUri="http://table.plazi.org/id/4F2F0CBEC0C2B495B6853794F74427ED" pageId="13" pageNumber="14" tableUuid="4F2F0CBEC0C2B495B6853794F74427ED">1</tableCitation>
.
</paragraph>
<caption ID-Zenodo-Dep="1138081" doi="10.3897/phytokeys.88.12891.figure8" httpUri="https://binary.pensoft.net/fig/160690" pageId="13" pageNumber="14" start="Figure 8" startId="F8">
<paragraph pageId="13" pageNumber="14">
<emphasis bold="true" pageId="13" pageNumber="14">Figure 8.</emphasis>
<taxonomicName authorityName="J. R. I. Wood &amp; Scotland" authorityYear="2017" class="Magnoliopsida" family="Convolvulaceae" genus="Ipomoea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ipomoea ensiformis" order="Solanales" pageId="13" pageNumber="14" phylum="Tracheophyta" rank="species" species="ensiformis">
<emphasis italics="true" pageId="13" pageNumber="14">Ipomoea ensiformis</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="13" pageNumber="14">A</emphasis>
habit
<emphasis bold="true" pageId="13" pageNumber="14">B</emphasis>
rootstock
<emphasis bold="true" pageId="13" pageNumber="14">C</emphasis>
base of young leaves showing indumentum
<emphasis bold="true" pageId="13" pageNumber="14">D</emphasis>
Outer sepal
<emphasis bold="true" pageId="13" pageNumber="14">E</emphasis>
inner sepal. Drawn by Rosemary Wise from
<emphasis italics="true" pageId="13" pageNumber="14">Gates &amp; Estabrook</emphasis>
4.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="materials_examined">
<paragraph pageId="13" pageNumber="14">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="13" pageNumber="14">
<materialsCitation collectingDate="1979-01-24" collectorName="dos Veadeiros, Gates, Estabrook" country="Brazil" elevation="1450" location="Chapada" specimenCount="1" stateProvince="Goias" typeStatus="holotype">
<collectingCountry name="Brazil">Brazil</collectingCountry>
,
<collectingRegion country="Brazil" name="Goias">Goias</collectingRegion>
,
<locationDeviation location="Alto Paraiso">
<quantity metricMagnitude="3" metricUnit="m" metricValue="5.0" unit="km" value="5.0">5 km</quantity>
Alto Paraiso
</locationDeviation>
,
<location LSID="urn:lsid:plazi:treatment:09B2F975E3865FF99A057C8A64EB5531:C7945443F1BD90E7F5A35381384B8A78" country="Brazil" name="Chapada" stateProvince="Goias">Chapada</location>
<collectorName>dos Veadeiros</collectorName>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="1.45" unit="m" value="1450.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="1.45" unit="m" value="1450.0">1450 m</elevation>
</quantity>
,
<collectingDate value="1979-01-24">24 Jan 1979</collectingDate>
,
<emphasis italics="true" pageId="13" pageNumber="14">
<collectorName>Gates</collectorName>
&amp;
<collectorName>Estabrook</collectorName>
</emphasis>
4 (
<typeStatus>holotype</typeStatus>
UB62303, isotypes MICH, RB00263006)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="description">
<paragraph pageId="13" pageNumber="14">Description.</paragraph>
<paragraph pageId="13" pageNumber="14">
Procumbent perennial herb, stems thinly pubescent, to 50 cm; rootstock a knotted woody xylopodium. Leaves shortly petiolate, 2-6
<normalizedToken originalValue="×">x</normalizedToken>
0.3-1.2 cm, oblong to oblong-lanceolate, base rounded, apex subacute to obtuse, very shortly mucronate, margin entire to undulate, glabrescent, the very young leaves pubescent; petioles 1-4 mm, puberulent. Inflorescence of solitary (rarely paired), axillary flowers borne on slender peduncles; peduncles 1.4-3.2 cm, slender, puberulent; bracteoles 3
<normalizedToken originalValue="×">x</normalizedToken>
1 mm, ovate, acuminate, relatively persistent; pedicels 5-6 mm, thinly puberulent; sepals subequal, outer 6-7
<normalizedToken originalValue="×">x</normalizedToken>
2.5-3 mm, oblong-ovate, obtuse, glabrous, inner similar but narrowly oblong-ovate, 7-8 mm long, abaxial surface sparsely pubescent centrally; corolla 3-4 cm, pink, very sparsely pubescent on midpetaline bands, funnel-shaped, limb 3.5 cm diameter. Capsule and seeds not seen.
</paragraph>
</subSubSection>
<subSubSection pageId="13" pageNumber="14" type="distribution">
<paragraph pageId="13" pageNumber="14">Distribution and habitat.</paragraph>
<paragraph pageId="13" pageNumber="14">
BRAZIL. Endemic to
<normalizedToken originalValue="Goiás">Goias</normalizedToken>
State where it is only known from the type collection. It is one of several
<taxonomicName class="Magnoliopsida" family="Convolvulaceae" genus="Ipomoea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ipomoea" order="Solanales" pageId="13" pageNumber="14" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="13" pageNumber="14">Ipomoea</emphasis>
</taxonomicName>
species which are apparently restricted to the Chapada dos Veadeiros and, like
<taxonomicName lsidName="I. graminifolia" pageId="13" pageNumber="14" rank="species" species="graminifolia">
<emphasis italics="true" pageId="13" pageNumber="14">I. graminifolia</emphasis>
</taxonomicName>
, was found at 1450 m, an exceptionally high altitude in the Brazilian planalto. Figure
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Map of Eastern Brazil showing distribution of I. ensiformis, I. fasciculata, I. kraholandica, I. longirostra, I. revoluta, I. scopulina, I. veadeirosii, and I. walteri." figureDoi="10.3897/phytokeys.88.12891.figure9" httpUri="https://binary.pensoft.net/fig/160691" pageId="13" pageNumber="14">9</figureCitation>
.
</paragraph>
<caption ID-Zenodo-Dep="1138083" doi="10.3897/phytokeys.88.12891.figure9" httpUri="https://binary.pensoft.net/fig/160691" pageId="13" pageNumber="14" start="Figure 9" startId="F9">
<paragraph pageId="13" pageNumber="14">
<emphasis bold="true" pageId="13" pageNumber="14">Figure 9.</emphasis>
Map of Eastern Brazil showing distribution of
<taxonomicName lsidName="I. ensiformis" pageId="13" pageNumber="14" rank="species" species="ensiformis">
<emphasis italics="true" pageId="13" pageNumber="14">I. ensiformis</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. fasciculata" pageId="13" pageNumber="14" rank="species" species="fasciculata">
<emphasis italics="true" pageId="13" pageNumber="14">I. fasciculata</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. kraholandica" pageId="13" pageNumber="14" rank="species" species="kraholandica">
<emphasis italics="true" pageId="13" pageNumber="14">I. kraholandica</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. longirostra" pageId="13" pageNumber="14" rank="species" species="longirostra">
<emphasis italics="true" pageId="13" pageNumber="14">I. longirostra</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. revoluta" pageId="13" pageNumber="14" rank="species" species="revoluta">
<emphasis italics="true" pageId="13" pageNumber="14">I. revoluta</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. scopulina" pageId="13" pageNumber="14" rank="species" species="scopulina">
<emphasis italics="true" pageId="13" pageNumber="14">I. scopulina</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="I. veadeirosii" pageId="13" pageNumber="14" rank="species" species="veadeirosii">
<emphasis italics="true" pageId="13" pageNumber="14">I. veadeirosii</emphasis>
</taxonomicName>
, and
<taxonomicName lsidName="I. walteri" pageId="13" pageNumber="14" rank="species" species="walteri">
<emphasis italics="true" pageId="13" pageNumber="14">I. walteri</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="14" pageNumber="15" type="conservation status">
<paragraph pageId="14" pageNumber="15">
<pageBreakToken pageId="14" pageNumber="15" start="start">Conservation</pageBreakToken>
status.
</paragraph>
<paragraph pageId="14" pageNumber="15">
In the absence of other collections or any information about its frequency, the status of this species can only be classified as Data Deficient (DD) within
<bibRefCitation author="IUCN" journalOrPublisher="Revista Brasileira de Botanica" pageId="32" pageNumber="33" publicationUrl="http://s3.amazonaws.com/iucnredlist-newcms/staging/public/attachments/3097/redlist_cats_crit_en.pdf" refId="B8" refString="IUCN, 2012. IUCN Red List Categories and Criteria. Ed 2. International Union for the Conservation of Nature, Gland, Switzerland. http://s3.amazonaws.com/iucnredlist-newcms/staging/public/attachments/3097/redlist_cats_crit_en.pdf" title="IUCN Red List Categories and Criteria. Ed 2. International Union for the Conservation of Nature, Gland, Switzerland." url="http://s3.amazonaws.com/iucnredlist-newcms/staging/public/attachments/3097/redlist_cats_crit_en.pdf" year="2012">IUCN (2012)</bibRefCitation>
guidelines. It would be treated as a &quot;black star&quot; species within the classification of
<bibRefCitation author="Hawthorne, WD" journalOrPublisher="Revista Brasileira de Botanica" pageId="32" pageNumber="33" publicationUrl="http://herbaria-old.plants.ox.ac.uk/rbs/" refId="B7" refString="Hawthorne, WD, Marshall, CAM, 2016. A Manual for Rapid Botanical Survey (RBS) and measurement of vegetation bioquality. Published online, June 2016. Department of Plant Sciences, University of Oxford, U.K. http://herbaria-old.plants.ox.ac.uk/rbs/" title="A Manual for Rapid Botanical Survey (RBS) and measurement of vegetation bioquality. Published online, June 2016. Department of Plant Sciences, University of Oxford, U. K." url="http://herbaria-old.plants.ox.ac.uk/rbs/" year="2016">Hawthorne and Marshall (2016)</bibRefCitation>
, but again this must be considered as a provisional classification as no systematic search has been made for the species at the type locality or in other similar habitats in the area.
</paragraph>
</subSubSection>
<subSubSection pageId="14" pageNumber="15" type="etymology">
<paragraph pageId="14" pageNumber="15">Etymology.</paragraph>
<paragraph pageId="14" pageNumber="15">
The epithet
<taxonomicName lsidName="ensiformis" pageId="14" pageNumber="15" rank="species" species="ensiformis">
<emphasis italics="true" pageId="14" pageNumber="15">ensiformis</emphasis>
</taxonomicName>
refers to the shape of the leaves, which resemble small swords.
</paragraph>
</subSubSection>
<subSubSection pageId="14" pageNumber="15" type="notes">
<paragraph pageId="14" pageNumber="15">Notes.</paragraph>
<paragraph pageId="14" pageNumber="15">
This has the appearance of a nearly glabrous prostrate form of
<taxonomicName authorityName="Meisn" authorityYear="1869" class="Magnoliopsida" family="Convolvulaceae" genus="Ipomoea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Ipomoea campestris" order="Solanales" pageId="14" pageNumber="15" phylum="Tracheophyta" rank="species" species="campestris">
<emphasis italics="true" pageId="14" pageNumber="15">Ipomoea campestris</emphasis>
</taxonomicName>
.
<taxonomicName lsidName="I. campestris" pageId="14" pageNumber="15" rank="species" species="campestris">
<emphasis italics="true" pageId="14" pageNumber="15">I. campestris</emphasis>
</taxonomicName>
is quite variable in leaf shape but is always readily distinguished by the longer, narrower corolla, which reaches 6 cm, and the conspicuous pubescent indumentum.
</paragraph>
</subSubSection>
</treatment>
</document>
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