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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.130.34005" ID-GBIF-Dataset="a6155130-823e-44df-aca5-905f283fd5ed" ID-PMC="PMC6728338" ID-Pensoft-Pub="1314-2003-130-49" ID-Pensoft-UUID="4A6C71AD165053D4B68129F54DCBCE2A" ID-PubMed="31534394" ID-Zenodo-Dep="3387838" ModsDocID="1314-2003-130-49" checkinTime="1567102887157" checkinUser="pensoft" docAuthor="Zhu, Xinxin, Liao, Shuai &amp; Yi, Sirong" docDate="2019" docId="6188C3141E9D5BAFA1A62A40E90A981B" docLanguage="en" docName="PhytoKeys 130: 49-57" docOrigin="PhytoKeys 130" docSource="http://dx.doi.org/10.3897/phytokeys.130.34005" docTitle="Disporum nanchuanense X. X. Zhu &amp; S. R. Yi 2019, sp. nov." docType="treatment" docVersion="6" id="4A6C71AD165053D4B68129F54DCBCE2A" lastPageNumber="49" masterDocId="4A6C71AD165053D4B68129F54DCBCE2A" masterDocTitle="Disporum nanchuanense (Colchicaceae), a new species from Chongqing, China" masterLastPageNumber="57" masterPageNumber="49" pageNumber="49" updateTime="1668139464631" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Disporum nanchuanense (Colchicaceae), a new species from Chongqing, China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Zhu, Xinxin</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liao, Shuai</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yi, Sirong</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2019</mods:date>
<mods:detail type="volume">
<mods:number>130</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>49</mods:start>
<mods:end>57</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.130.34005</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.130.34005</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-130-49</mods:identifier>
<mods:identifier type="Pensoft-UUID">4A6C71AD165053D4B68129F54DCBCE2A</mods:identifier>
<mods:identifier type="Zenodo-Dep">3387838</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="159319490" LSID="urn:lsid:plazi:treatment:6188C3141E9D5BAFA1A62A40E90A981B" httpUri="http://treatment.plazi.org/id/6188C3141E9D5BAFA1A62A40E90A981B" lastPageNumber="49" pageId="0" pageNumber="49">
<subSubSection pageId="0" pageNumber="49" type="nomenclature">
<paragraph pageId="0" pageNumber="49">
<taxonomicName LSID="6188C314-1E9D-5BAF-A1A6-2A40E90A981B" authority="X. X. Zhu &amp; S. R. Yi" authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense" status="sp. nov.">Disporum nanchuanense X.X.Zhu &amp; S.R.Yi</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="49">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Disporum nanchuanense X. X. Zhu &amp; S. R. Yi. A Plant B Leaf C Tepal in frontal view D Tepal in back view E Stamen F Pistil. Illustration by Huixia Dong." figureDoi="10.3897/phytokeys.130.34005.figure1" httpUri="https://binary.pensoft.net/fig/327612" pageId="0" pageNumber="49">Figures 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Disporum nanchuanense X. X. Zhu &amp; S. R. Yi. A Plant B-C Leaves D-E Inflorescences F Roots. Photographed by Xinxin Zhu" figureDoi="10.3897/phytokeys.130.34005.figure2" httpUri="https://binary.pensoft.net/fig/327613" pageId="0" pageNumber="49">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Holotype of Disporum nanchuanense X. X. Zhu &amp; S. R. Yi (CSH- 0151769!)." figureDoi="10.3897/phytokeys.130.34005.figure3" httpUri="https://binary.pensoft.net/fig/327614" pageId="0" pageNumber="49">, 3</figureCitation>
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A-C: Disporum nanchuanense X. X. Zhu &amp; S. R. Yi. A Plant B Inflorescence C Flower dissection D-F: D. longistylum (Levl. &amp; Vant.) Hara D Plant E Inflorescence F Flower dissection G-I: D. megalanthum Wang &amp; Tang G Plant H Inflorescence I Flower dissection. A-H: Photographed by Xinxin Zhu; I: Photographed by Renbin Zhu." figureDoi="10.3897/phytokeys.130.34005.figure4" httpUri="https://binary.pensoft.net/fig/327615" pageId="0" pageNumber="49">and 4A-C</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="type">
<paragraph pageId="0" pageNumber="49">Type.</paragraph>
<paragraph pageId="0" pageNumber="49">
CHINA. Chongqing: Nanchuan District, Jinfo Mountain National Nature Reserve,
<geoCoordinate degrees="29" direction="north" minutes="02.67" orientation="latitude" precision="9" value="29.0445">29°02.67'N</geoCoordinate>
,
<geoCoordinate degrees="107" direction="east" minutes="11.32" orientation="longitude" precision="9" value="107.18867">107°11.32'E</geoCoordinate>
, 1386 m a.s.l., 30 March 2018,
<emphasis italics="true" pageId="0" pageNumber="49">X.X.Zhu ZXX18025</emphasis>
(holotype: CSH [CSH 0151769!]; isotypes CSH!, KUN!).
</paragraph>
<caption ID-Zenodo-Dep="3487782" doi="10.3897/phytokeys.130.34005.figure1" httpUri="https://binary.pensoft.net/fig/327612" pageId="0" pageNumber="49" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Figure 1.</emphasis>
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
X.X.Zhu &amp; S.R.Yi.
<emphasis bold="true" pageId="0" pageNumber="49">A</emphasis>
Plant
<emphasis bold="true" pageId="0" pageNumber="49">B</emphasis>
Leaf
<emphasis bold="true" pageId="0" pageNumber="49">C</emphasis>
Tepal in frontal view
<emphasis bold="true" pageId="0" pageNumber="49">D</emphasis>
Tepal in back view
<emphasis bold="true" pageId="0" pageNumber="49">E</emphasis>
Stamen
<emphasis bold="true" pageId="0" pageNumber="49">F</emphasis>
Pistil. Illustration by Huixia Dong.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="3487784" doi="10.3897/phytokeys.130.34005.figure2" httpUri="https://binary.pensoft.net/fig/327613" pageId="0" pageNumber="49" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Figure 2.</emphasis>
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
X.X.Zhu &amp; S.R.Yi.
<emphasis bold="true" pageId="0" pageNumber="49">A</emphasis>
Plant
<emphasis bold="true" pageId="0" pageNumber="49">
<normalizedToken originalValue="B–C">B-C</normalizedToken>
</emphasis>
Leaves
<emphasis bold="true" pageId="0" pageNumber="49">
<normalizedToken originalValue="D–E">D-E</normalizedToken>
</emphasis>
Inflorescences
<emphasis bold="true" pageId="0" pageNumber="49">F</emphasis>
Roots. Photographed by Xinxin Zhu
</paragraph>
</caption>
<caption ID-Zenodo-Dep="3487786" doi="10.3897/phytokeys.130.34005.figure3" httpUri="https://binary.pensoft.net/fig/327614" pageId="0" pageNumber="49" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Figure 3.</emphasis>
Holotype of
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
X.X.Zhu &amp; S.R.Yi (CSH-0151769!).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="diagnosis">
<paragraph pageId="0" pageNumber="49">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="49">
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
X.X.Zhu &amp; S.R.Yi is similar to
<taxonomicName lsidName="D. longistylum" pageId="0" pageNumber="49" rank="species" species="longistylum">
<emphasis italics="true" pageId="0" pageNumber="49">D. longistylum</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Léveillé">Leveille</normalizedToken>
&amp; Vaniot) Hara and
<taxonomicName lsidName="D. megalanthum" pageId="0" pageNumber="49" rank="species" species="megalanthum">
<emphasis italics="true" pageId="0" pageNumber="49">D. megalanthum</emphasis>
</taxonomicName>
Wang &amp; Tang, but it differs from
<taxonomicName lsidName="D. longistylum" pageId="0" pageNumber="49" rank="species" species="longistylum">
<emphasis italics="true" pageId="0" pageNumber="49">D. longistylum</emphasis>
</taxonomicName>
in its stem which is usually simple, rarely branched, tepals white with purple, apex obtuse, 22-25
<normalizedToken originalValue="×">x</normalizedToken>
2.8-4 mm, filaments 20-24 mm long, anthers 5.2-5.6 mm long and ovary ca. 4.6 mm long, style 27-29 mm long; and it differs from
<taxonomicName lsidName="D. megalanthum" pageId="0" pageNumber="49" rank="species" species="megalanthum">
<emphasis italics="true" pageId="0" pageNumber="49">D. megalanthum</emphasis>
</taxonomicName>
in its inflorescences terminal, petiole 3-13 mm long, tepals white with purple, oblanceolate, apex obtuse, stamens distinctly exserted and ovary ca. 4.6 mm long, style 27-29 mm long, distinctly exserted. Detailed morphological comparison is shown in Table
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Morphological comparisons amongst Disporum nanchuanense, D. longistylum and D. megalanthum." httpUri="http://table.plazi.org/id/AFBEAB9E5E03B21B4E7D0203C80303AB" pageId="0" pageNumber="49" tableUuid="AFBEAB9E5E03B21B4E7D0203C80303AB">1</tableCitation>
and
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. A-C: Disporum nanchuanense X. X. Zhu &amp; S. R. Yi. A Plant B Inflorescence C Flower dissection D-F: D. longistylum (Levl. &amp; Vant.) Hara D Plant E Inflorescence F Flower dissection G-I: D. megalanthum Wang &amp; Tang G Plant H Inflorescence I Flower dissection. A-H: Photographed by Xinxin Zhu; I: Photographed by Renbin Zhu." figureDoi="10.3897/phytokeys.130.34005.figure4" httpUri="https://binary.pensoft.net/fig/327615" pageId="0" pageNumber="49">Figure 4</figureCitation>
.
</paragraph>
<caption ID-Zenodo-Dep="3487788" doi="10.3897/phytokeys.130.34005.figure4" httpUri="https://binary.pensoft.net/fig/327615" pageId="0" pageNumber="49" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Figure 4.</emphasis>
<emphasis bold="true" pageId="0" pageNumber="49">A-C</emphasis>
:
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
X.X.Zhu &amp; S.R.Yi.
<emphasis bold="true" pageId="0" pageNumber="49">A</emphasis>
Plant
<emphasis bold="true" pageId="0" pageNumber="49">B</emphasis>
Inflorescence
<emphasis bold="true" pageId="0" pageNumber="49">C</emphasis>
Flower dissection
<emphasis bold="true" pageId="0" pageNumber="49">D-F</emphasis>
:
<taxonomicName lsidName="D. longistylum" pageId="0" pageNumber="49" rank="species" species="longistylum">
<emphasis italics="true" pageId="0" pageNumber="49">D. longistylum</emphasis>
</taxonomicName>
(
<normalizedToken originalValue="Lévl">Levl</normalizedToken>
. &amp; Vant.) Hara
<emphasis bold="true" pageId="0" pageNumber="49">D</emphasis>
Plant
<emphasis bold="true" pageId="0" pageNumber="49">E</emphasis>
Inflorescence
<emphasis bold="true" pageId="0" pageNumber="49">F</emphasis>
Flower dissection
<emphasis bold="true" pageId="0" pageNumber="49">G-I</emphasis>
:
<taxonomicName lsidName="D. megalanthum" pageId="0" pageNumber="49" rank="species" species="megalanthum">
<emphasis italics="true" pageId="0" pageNumber="49">D. megalanthum</emphasis>
</taxonomicName>
Wang &amp; Tang
<emphasis bold="true" pageId="0" pageNumber="49">G</emphasis>
Plant
<emphasis bold="true" pageId="0" pageNumber="49">H</emphasis>
Inflorescence
<emphasis bold="true" pageId="0" pageNumber="49">I</emphasis>
Flower dissection.
<emphasis bold="true" pageId="0" pageNumber="49">A-H</emphasis>
: Photographed by Xinxin Zhu; I: Photographed by Renbin Zhu.
</paragraph>
</caption>
<caption ID-Table-UUID="AFBEAB9E5E03B21B4E7D0203C80303AB" httpUri="http://table.plazi.org/id/AFBEAB9E5E03B21B4E7D0203C80303AB" pageId="0" pageNumber="49" start="Table 1" startId="T1">
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">Table 1.</emphasis>
Morphological comparisons amongst
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
,
<taxonomicName lsidName="D. longistylum" pageId="0" pageNumber="49" rank="species" species="longistylum">
<emphasis italics="true" pageId="0" pageNumber="49">D. longistylum</emphasis>
</taxonomicName>
and
<taxonomicName lsidName="D. megalanthum" pageId="0" pageNumber="49" rank="species" species="megalanthum">
<emphasis italics="true" pageId="0" pageNumber="49">D. megalanthum</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="49">
<table pageId="0" pageNumber="49">
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
<emphasis bold="true" pageId="0" pageNumber="49">Characters</emphasis>
</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
<taxonomicName lsidName="D. nanchuanense" pageId="0" pageNumber="49" rank="species" species="nanchuanense">
<emphasis bold="true" italics="true" pageId="0" pageNumber="49">D. nanchuanense</emphasis>
</taxonomicName>
</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
<taxonomicName lsidName="D. longistylum" pageId="0" pageNumber="49" rank="species" species="longistylum">
<emphasis bold="true" italics="true" pageId="0" pageNumber="49">D. longistylum</emphasis>
</taxonomicName>
</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
<taxonomicName lsidName="D. megalanthum" pageId="0" pageNumber="49" rank="species" species="megalanthum">
<emphasis bold="true" italics="true" pageId="0" pageNumber="49">D. megalanthum</emphasis>
</taxonomicName>
</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Stem</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">usually simple, rarely branched, 20-45 cm</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">usually branched distally, 30-100 cm</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">usually slightly branched distally, 30-60 cm</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Inflorescence</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">terminal</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">terminal</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">opposite to a leaf or terminal on a short lateral branchlet</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Petiole</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">3-13 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">3-10 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">2-4 mm long</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Tepals</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
white with purple, oblanceolate, apex obtuse, 22-25
<normalizedToken originalValue="×">x</normalizedToken>
2.8-4 mm
</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
green or greenish-yellow, spatulate-oblanceolate to obovate, apex subacute, 10-17
<normalizedToken originalValue="×">x</normalizedToken>
2
<normalizedToken originalValue="–4(–">-4(-</normalizedToken>
8) mm
</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">
white, obovate-oblanceolate, apex acute, rarely obtuse, 20-38
<normalizedToken originalValue="×">x</normalizedToken>
5-8 mm
</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Stamens</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">distinctly exserted</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">distinctly exserted</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">included</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Filaments</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">20-24 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">10-16 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">14-22 mm long</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Anthers</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">5.2-5.6 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">2.5-4.5 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">4-6 mm long</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Ovary</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">ca. 4.6 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">2-4 mm long</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">2-3 mm long</td>
</tr>
<tr pageId="0" pageNumber="49">
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">Style</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">27-29 mm long, distinctly exserted</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">8-17 mm long, exserted</td>
<td colspan="1" pageId="0" pageNumber="49" rowspan="1">12-18 mm long, included</td>
</tr>
</table>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="description">
<paragraph pageId="0" pageNumber="49">Description.</paragraph>
<paragraph pageId="0" pageNumber="49">
Perennial herb with short rhizomes; occasionally with stolons. Roots densely tufted, fleshy. Stem usually simple, rarely branched, 20-45 cm high, proximally with several sheaths. Leaves alternate, concentrated in distal part of stem; petiole 3-13 mm long; blade ovate-lanceolate to oblong, papery to thinly leathery, 6.5-12.5
<normalizedToken originalValue="×">x</normalizedToken>
1.1-6 cm, apex shortly acuminate to acute, base broadly cuneate or roundish, glabrous, 3-5-nerved. Inflorescence terminal, 2-7-flowered, non-pedunculate. Pedicels 10-13 mm long. Flowers narrowly campanulate, nodding; tepals 6, oblanceolate, white with purple, glabrous on both surfaces, minutely papillose on the lower margin, 22-25
<normalizedToken originalValue="×">x</normalizedToken>
2.8-4 mm, apex obtuse, base gibbous-spurred; spurs ca. 1.5 mm long. Stamens inserted at the base of tepals, distinctly exserted; filaments glabrous, 20-24 mm long, anthers 5.2-5.6 mm long. Ovary oblong, green, glabrous, ca. 4.6 mm long; style glabrous, 27-29 mm long, distinctly exserted, trifid at the apex, branches 3, densely papillose inside.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="phenology">
<paragraph pageId="0" pageNumber="49">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="49">Flowering from March to April. No fruiting specimens have been seen.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="etymology">
<paragraph pageId="0" pageNumber="49">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="49">
The specific epithet refers to the type locality, Nanchuan District, Chongqing, China. The Chinese name is given as
<normalizedToken originalValue="“南川万寿竹”">&quot;南川万寿竹&quot;</normalizedToken>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="distribution and habitat">
<paragraph pageId="0" pageNumber="49">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="49">
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
is presently known only from the type locality in Jinfo Mountain National Nature Reserve, Nanchuan District, Chongqing. It grows under conifer-broadleaved forest at 1386-1411 m, together with
<taxonomicName authorityName="Engl" authorityYear="1900" class="Magnoliopsida" family="Araceae" genus="Arisaema" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Arisaema bockii" order="Alismatales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="species" species="bockii">
<emphasis italics="true" pageId="0" pageNumber="49">Arisaema bockii</emphasis>
</taxonomicName>
Engl. (
<taxonomicName class="Magnoliopsida" family="Araceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Alismatales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="family">Araceae</taxonomicName>
),
<taxonomicName authorityName="T. Y. Cheo &amp; R. C. Fang" authorityYear="1980" class="Dicotyledoneae" family="Brassicaceae" genus="Cardamine" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Cardamine hygrophila" order="Papaverales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="species" species="hygrophila">
<emphasis italics="true" pageId="0" pageNumber="49">Cardamine hygrophila</emphasis>
</taxonomicName>
T.Y.Cheo &amp; R.C.Fang (
<taxonomicName class="Dicotyledoneae" family="Brassicaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Papaverales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="family">Brassicaceae</taxonomicName>
),
<taxonomicName class="Pinopsida" family="Cephalotaxaceae" genus="Cephalotaxus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Cephalotaxus fortunei" order="Pinales" pageId="0" pageNumber="49" phylum="Coniferophyta" rank="species" species="fortunei">
<emphasis italics="true" pageId="0" pageNumber="49">Cephalotaxus fortunei</emphasis>
</taxonomicName>
Hook. (
<taxonomicName class="Pinopsida" family="Cephalotaxaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Pinales" pageId="0" pageNumber="49" phylum="Coniferophyta" rank="family">Cephalotaxaceae</taxonomicName>
),
<taxonomicName authorityName="Sarg" authorityYear="1903" baseAuthorityName="Hemsl." class="Cladi" family="Magnoliaceae" genus="Liriodendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Liriodendron chinense" order="Magnoliales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="species" species="chinense">
<emphasis italics="true" pageId="0" pageNumber="49">Liriodendron chinense</emphasis>
</taxonomicName>
(Hemsl.) Sargent. (
<taxonomicName class="Cladi" family="Magnoliaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Magnoliales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="family">Magnoliaceae</taxonomicName>
),
<taxonomicName class="Pinopsida" family="Pinaceae" genus="Pinus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pinus massoniana" order="Pinales" pageId="0" pageNumber="49" phylum="Coniferophyta" rank="species" species="massoniana">
<emphasis italics="true" pageId="0" pageNumber="49">Pinus massoniana</emphasis>
</taxonomicName>
Lamb. (
<taxonomicName class="Pinopsida" family="Pinaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Pinales" pageId="0" pageNumber="49" phylum="Coniferophyta" rank="family">Pinaceae</taxonomicName>
),
<taxonomicName authorityName="Diels" authorityYear="1900" class="Dicotyledoneae" family="Ericaceae" genus="Rhododendron" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Rhododendron coeloneurum" order="Ericales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="species" species="coeloneurum">
<emphasis italics="true" pageId="0" pageNumber="49">Rhododendron coeloneurum</emphasis>
</taxonomicName>
Diels (
<taxonomicName class="Dicotyledoneae" family="Ericaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Ericales" pageId="0" pageNumber="49" phylum="Angiospermae" rank="family">Ericaceae</taxonomicName>
),
<taxonomicName authorityName="S. Moore" authorityYear="1875" class="Dicotyledoneae" family="Apiaceae" genus="Sanicula" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Sanicula orthacantha" order="Umbelliflorae" pageId="0" pageNumber="49" phylum="Angiospermae" rank="species" species="orthacantha">
<emphasis italics="true" pageId="0" pageNumber="49">Sanicula orthacantha</emphasis>
</taxonomicName>
S.Moore (
<taxonomicName class="Dicotyledoneae" family="Apiaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Umbelliflorae" pageId="0" pageNumber="49" phylum="Angiospermae" rank="family">Apiaceae</taxonomicName>
) etc.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="iucn red list category">
<paragraph pageId="0" pageNumber="49">IUCN Red List category.</paragraph>
<paragraph pageId="0" pageNumber="49">
<taxonomicName authorityName="X. X. Zhu &amp; S. R. Yi" authorityYear="2019" class="Liliopsida" family="Colchicaceae" genus="Disporum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Disporum nanchuanense" order="Liliales" pageId="0" pageNumber="49" phylum="Tracheophyta" rank="species" species="nanchuanense">
<emphasis italics="true" pageId="0" pageNumber="49">Disporum nanchuanense</emphasis>
</taxonomicName>
is known from only one population, with fewer than fifty individuals seen at this site. Therefore, the new species is assigned a preliminary status of Vulnerable (VU D2), according to IUCN Red List criteria, indicating a population with a very restricted area of occupancy (typically less than 20 km2) or number of locations (typically five or fewer).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="49" type="specimens examined">
<paragraph pageId="0" pageNumber="49">Specimens Examined.</paragraph>
<paragraph pageId="0" pageNumber="49">
<emphasis bold="true" pageId="0" pageNumber="49">(Paratypes). CHINA. Chongqing:</emphasis>
Nanchuan District, Jinfo Mountain National Nature Reserve, 28 March 2017,
<emphasis italics="true" pageId="0" pageNumber="49">S.R.Yi ZXX17109</emphasis>
(CSH!, KUN!).
</paragraph>
</subSubSection>
</treatment>
</document>
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