treatments-xml/data/33/EB/F6/33EBF6967D3856CAA1E338664EBF7871.xml

<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.182.69074" ID-GBIF-Dataset="a37a3624-0089-4eab-bf3a-aac324607661" ID-PMC="PMC8516824" ID-Pensoft-Pub="1314-2003-182-113" ID-Pensoft-UUID="083AA2C3C953564780FC1BAAE77BF39F" ID-PubMed="34720624" ModsDocID="1314-2003-182-113" checkinTime="1633117407314" checkinUser="pensoft" docAuthor="Feng, Xin-Xin, Xiao *, Yan, Liu, Zhi-Xian, Li, Ren-Kun, Wei, Dan &amp; Tian, Dai-Ke" docDate="2021" docId="33EBF6967D3856CAA1E338664EBF7871" docLanguage="en" docName="PhytoKeys 182: 113-124" docOrigin="PhytoKeys 182" docPubDate="2021-10-01" docSource="http://dx.doi.org/10.3897/phytokeys.182.69074" docTitle="Begonia pseudoedulis D. K. Tian, X. X. Feng &amp; R. K. Li 2021, sp. nov." docType="treatment" docVersion="6" id="083AA2C3C953564780FC1BAAE77BF39F" lastPageNumber="113" masterDocId="083AA2C3C953564780FC1BAAE77BF39F" masterDocTitle="Begonia pseudoedulis, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China" masterLastPageNumber="124" masterPageNumber="113" pageNumber="113" updateTime="1668140440236" updateUser="ExternalLinkService">
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<mods:titleInfo>
<mods:title>Begonia pseudoedulis, a new species in Begonia sect. Platycentrum (Begoniaceae) from southern Guangxi of China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Feng, Xin-Xin</mods:namePart>
<mods:affiliation>Dongguan Botanical Garden, Dongguan 523086, China</mods:affiliation>
<mods:nameIdentifier type="email">xinxin8715@163.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Xiao *, Yan</mods:namePart>
<mods:affiliation>College of Life Sciences, Hunan Normal University, Changsha, 410081, China &amp; Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China &amp; Shanghai Key Laboratory for Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, 3888 Chenhua Road, Songjiang, Shanghai 201602, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Liu, Zhi-Xian</mods:namePart>
<mods:affiliation>Dongguan Botanical Garden, Dongguan 523086, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Li, Ren-Kun</mods:namePart>
<mods:affiliation>Enshi Dongsheng Plant Development Co. Ltd., Enshi 445000, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wei, Dan</mods:namePart>
<mods:affiliation>Guangdong Academy of Forestry, Guangzhou 510520, China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Tian, Dai-Ke</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5387-5300</mods:nameIdentifier>
<mods:affiliation>Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, 3888 Chenhua Road, Songjiang, Shanghai 201602, China &amp; Shanghai Key Laboratory for Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, 3888 Chenhua Road, Songjiang, Shanghai 201602, China</mods:affiliation>
<mods:nameIdentifier type="email">dktian@cemps.ac.cn</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
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<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-10-01</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>182</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>113</mods:start>
<mods:end>124</mods:end>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.182.69074</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.182.69074</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-182-113</mods:identifier>
<mods:identifier type="Pensoft-UUID">083AA2C3C953564780FC1BAAE77BF39F</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="188543206" LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871" httpUri="http://treatment.plazi.org/id/33EBF6967D3856CAA1E338664EBF7871" lastPageNumber="113" pageId="0" pageNumber="113">
<subSubSection pageId="0" pageNumber="113" type="nomenclature">
<paragraph pageId="0" pageNumber="113">
<taxonomicName LSID="33EBF696-7D38-56CA-A1E3-38664EBF7871" authority="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis" status="sp. nov.">Begonia pseudoedulis D.K.Tian, X.X.Feng &amp; R.K.Li</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="113">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="description">
<paragraph pageId="0" pageNumber="113">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Begonia pseudoedulis A habitat B adaxial leaf blade C abaxial leaf blade D, E inflorescences F staminate flower (abaxial) G staminate flower (adaxial) H stamen I pistillate flower (adaxial) J pistillate flower (abaxial) K ovary and stigma L cross section of ovary M capsule (Illustration drawn by Yunxiao Liu)." figureDoi="10.3897/phytokeys.182.69074.figure1" httpUri="https://binary.pensoft.net/fig/593703" pageId="0" pageNumber="113">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Habitat and morphology of Begonia pseudoedulis A habitat B creeping rhizome C stipule D petiole showing hairs E mature leaf blade (adaxial) F juvenile leaf blade (adaxial) G, H mature leaf blade (abaxial) I inflorescence J bracts K erect stem at anthesis L front view of staminate flower M back view of staminate flower N stamens O front view of pistillate flower P back view of pistillate flower Q ovary with styles and stigmas R cross section of ovary S, T Immature capsule (different views) U dry capsule showing abaxial wing V dry capsule showing lateral wings." figureDoi="10.3897/phytokeys.182.69074.figure2" httpUri="https://binary.pensoft.net/fig/593704" pageId="0" pageNumber="113">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Variation in leaf morphology of different populations of Begonia pseudoedulis A-E the population from Fangcheng, Fangchenggang, Guangxi (A, B mature plants C-E juvenile individuals showing dense hairs on petioles) F-H wuming, Nanning, Guangxi I, J daxin, Chongzuo, Guangxi (photos A-E, J by Dai-Ke Tian F-H by Jun Liu from Zhejiang University; I by Chen-Yang Zhao from Daxin County of Guangxi). Note: The population from Daxin, Chongzuo (I, J) is only recognized by morphology without molecular evidence." figureDoi="10.3897/phytokeys.182.69074.figure3" httpUri="https://binary.pensoft.net/fig/593705" pageId="0" pageNumber="113">
, 3 Chinese name: 
<normalizedToken originalValue="假食用秋海棠">假食用秋海棠</normalizedToken>
</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="materials_examined">
<paragraph pageId="0" pageNumber="113">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="0" pageNumber="113">
<materialsCitation collectingDate="2020-10" collectorName="X. X. Feng, Z. X. Liu, R. K. Li" country="China" county="Shangsi County" elevation="163" latitude="21.967976" location="Shiwanshan" longLatPrecision="1" longitude="108.28057" specimenCount="1" stateProvince="Guangxi" typeStatus="holotype">
<emphasis bold="true" pageId="0" pageNumber="113">
<collectingCountry name="China">China</collectingCountry>
</emphasis>
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
, 
<collectingCounty>Shangsi County</collectingCounty>
(上思县), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:D3A09D6F6E9F772A8EDB4A5F6E943D58" country="China" county="Shangsi County" latitude="21.967976" longLatPrecision="1" longitude="108.28057" name="Shiwanshan" stateProvince="Guangxi">Shiwanshan</location>
(十万山), 
<geoCoordinate degrees="21" direction="north" minutes="58" orientation="latitude" precision="1" seconds="4.71" value="21.967976">21°58'4.71&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="16" orientation="longitude" precision="1" seconds="50.05" value="108.28057">108°16'50.05&quot;E</geoCoordinate>
(Fig. 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution of Begonia pseudoedulis and the allied B. edulis and B. dielsiana." figureDoi="10.3897/phytokeys.182.69074.figure4" httpUri="https://binary.pensoft.net/fig/593706" pageId="0" pageNumber="113">4</figureCitation>
), 
<quantity metricMagnitude="2" metricUnit="m" metricValue="1.63" unit="m" value="163.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="1.63" unit="m" value="163.0">163 m</elevation>
</quantity>
alt., near a stream under the broad leaf forest, at late period flowering, 
<collectingDate value="2020-10">October 2020</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
<collectorName>X. X. Feng</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
<collectorName>Z. X. Liu</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
&amp; 
<collectorName>R.K. Li</collectorName>
</emphasis>
, 
<emphasis italics="true" pageId="0" pageNumber="113">FXX201001</emphasis>
(
<emphasis bold="true" italics="true" pageId="0" pageNumber="113">
<typeStatus>holotype</typeStatus>
</emphasis>
: CSH0185896, CSH!; 
<emphasis bold="true" italics="true" pageId="0" pageNumber="113">isotypes</emphasis>
: CSH! &amp; SYS!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="diagnosis">
<paragraph pageId="0" pageNumber="113">Diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="113">
The new species shows high resemblance to both 
<taxonomicName lsidName="B. edulis" pageId="0" pageNumber="113" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. edulis</emphasis>
</taxonomicName>
and 
<taxonomicName lsidName="B. dielsiana" pageId="0" pageNumber="113" rank="species" species="dielsiana">
<emphasis italics="true" pageId="0" pageNumber="113">B. dielsiana</emphasis>
</taxonomicName>
from the same section (sect. 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="section" section="Platycentrum">Begonia Platycentrum</taxonomicName>
) in their stout and creeping rhizome, erect stem at anthesis, asymmetric ovate and chartaceous leaf blade, palmate venation, dichasial cyme, four tepals of staminate flowers, unequally 3-winged capsules. However, it differs from the latter two mainly by its shorter (vs. taller) plants, variation (variegated more than pure green vs. green or dark-green for 
<taxonomicName lsidName="B. edulis" pageId="0" pageNumber="113" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. edulis</emphasis>
</taxonomicName>
and pure green for 
<taxonomicName lsidName="B. dielsiana" pageId="0" pageNumber="113" rank="species" species="dielsiana">
<emphasis italics="true" pageId="0" pageNumber="113">B. dielsiana</emphasis>
</taxonomicName>
) in leaf color, hairy (vs. glabrous or nearly so) petioles and red hairs (vs. glabrous or nearly so) on abaxial surface of outer tepals, stable five (vs. usually five and rarely six for 
<taxonomicName lsidName="B. edulis" pageId="0" pageNumber="113" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. edulis</emphasis>
</taxonomicName>
, and more six than five for 
<taxonomicName lsidName="B. dielsiana" pageId="0" pageNumber="113" rank="species" species="dielsiana">
<emphasis italics="true" pageId="0" pageNumber="113">B. dielsiana</emphasis>
</taxonomicName>
) tepals of pistillate flowers.
</paragraph>
<caption doi="10.3897/phytokeys.182.69074.figure1" httpUri="https://binary.pensoft.net/fig/593703" pageId="0" pageNumber="113" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Figure 1.</emphasis>
<taxonomicName authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia pseudoedulis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="113">A</emphasis>
habitat 
<emphasis bold="true" pageId="0" pageNumber="113">B</emphasis>
adaxial leaf blade 
<emphasis bold="true" pageId="0" pageNumber="113">C</emphasis>
abaxial leaf blade 
<emphasis bold="true" pageId="0" pageNumber="113">D, E</emphasis>
inflorescences 
<emphasis bold="true" pageId="0" pageNumber="113">F</emphasis>
staminate flower (abaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">G</emphasis>
staminate flower (adaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">H</emphasis>
stamen 
<emphasis bold="true" pageId="0" pageNumber="113">I</emphasis>
pistillate flower (adaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">J</emphasis>
pistillate flower (abaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">K</emphasis>
ovary and stigma 
<emphasis bold="true" pageId="0" pageNumber="113">L</emphasis>
cross section of ovary 
<emphasis bold="true" pageId="0" pageNumber="113">M</emphasis>
capsule (Illustration drawn by Yunxiao Liu).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="description">
<paragraph pageId="0" pageNumber="113">Description.</paragraph>
<paragraph pageId="0" pageNumber="113">
Perennial evergreen herb, monoecious, 30-50 cm tall. 
<emphasis bold="true" pageId="0" pageNumber="113">Rhizome</emphasis>
stout and creeping, ca. 10-12 cm long and 10-15 mm in diameter, internodes obvious and crowded; erect stem only at anthesis, usually reddish-brownish, rarely green, sparsely pilose. 
<emphasis bold="true" pageId="0" pageNumber="113">Stipules</emphasis>
membranous, triangular, reddish or green, glabrous. 
<emphasis bold="true" pageId="0" pageNumber="113">Leaves</emphasis>
6-8 basal and 2-3 aerial, petiole pale- to reddish-green, 18-50 cm long, 5-10 mm thick, densely red pilose, 3-5 mm long at young stage and then sparsely short reddish-brownish or gray hairs in mature; leave blade variable in shape and coloration, usually widely ovate, 12-23 
<normalizedToken originalValue="×">x</normalizedToken>
9-22 cm, adaxially dark-green along main veins or evenly green, rarely white spotted, puberulent, abaxially purple-red along veins or evenly green, subglabrous except main veins, base strongly oblique-cordate, margin triangularly denticulate to shallowly lobed, apex caudate. Venation palmate, primary veins 7-8, adaxially slightly concave, abaxially convex. 
<emphasis bold="true" pageId="0" pageNumber="113">Inflorescences</emphasis>
arising from erect stem at anthesis, dichasial cymes branching only once, peduncle 16-23 cm long, red short strigose, flowers unisexual, 5-8 flowers per inflorescence; bracts membranous, oblong triangular to widely ovate, reddish-brownish, 8-15 
<normalizedToken originalValue="×">x</normalizedToken>
4-8 mm, glabrous. 
<emphasis bold="true" pageId="0" pageNumber="113">Staminate flower</emphasis>
: pedicels pink, 2.0-2.5 cm long, hairy nearly same as peduncles; tepals 4, white or nearly so, outer 2 broadly ovate, 18-23 
<normalizedToken originalValue="×">x</normalizedToken>
17-22 mm, middle part thicker, adaxially concave, abaxially convex, red short strigose, veins distinct, apex obtuse, margin entire; inner 2 nearly obovate, ca. 18 
<normalizedToken originalValue="×">x</normalizedToken>
14 mm, glabrous; androecium spheroid, ca. 11 mm across; stamens numerous, ca. 4-5 mm long; filaments fused at base, anthers yellow, clavate, base cuneate, ca. 2 mm long. 
<emphasis bold="true" pageId="0" pageNumber="113">Pistillate flower</emphasis>
: pedicels pink, 2.0-2.5 cm long, hairy nearly same as peduncles; tepals 5, white or nearly so, irregularly suborbicular, fan-shaped or broadly ovate, sub-equal, 16-19 
<normalizedToken originalValue="×">x</normalizedToken>
15-17 mm, abaxially sparsely red short strigose, apex obtuse; ovary yellowish-green, trigonous-ellipsoid, 12-14 
<normalizedToken originalValue="×">x</normalizedToken>
8-9 mm (wings excluded), red hispidulous; 2-loculed, placentation axile, placentae bifid per locule; styles 2, fused at base, yellow, ca. 7-9 mm long; stigma U-shaped, spirally twisted. 
<emphasis bold="true" pageId="0" pageNumber="113">Capsules</emphasis>
nodding, trigonous-ellipsoid, ca. 18 
<normalizedToken originalValue="×">x</normalizedToken>
8-10 mm (wings excluded), yellowish-green, red hispidulous; wings 3, unequal, abaxial wing semicircle-shaped or rectangular, ca. 15 mm long; lateral wings narrow, 3-4 mm long.
</paragraph>
<caption doi="10.3897/phytokeys.182.69074.figure2" httpUri="https://binary.pensoft.net/fig/593704" pageId="0" pageNumber="113" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Figure 2.</emphasis>
Habitat and morphology of 
<taxonomicName authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia pseudoedulis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="113">A</emphasis>
habitat 
<emphasis bold="true" pageId="0" pageNumber="113">B</emphasis>
creeping rhizome 
<emphasis bold="true" pageId="0" pageNumber="113">C</emphasis>
stipule 
<emphasis bold="true" pageId="0" pageNumber="113">D</emphasis>
petiole showing hairs 
<emphasis bold="true" pageId="0" pageNumber="113">E</emphasis>
mature leaf blade (adaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">F</emphasis>
juvenile leaf blade (adaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">G, H</emphasis>
mature leaf blade (abaxial) 
<emphasis bold="true" pageId="0" pageNumber="113">I</emphasis>
inflorescence 
<emphasis bold="true" pageId="0" pageNumber="113">J</emphasis>
bracts 
<emphasis bold="true" pageId="0" pageNumber="113">K</emphasis>
erect stem at anthesis 
<emphasis bold="true" pageId="0" pageNumber="113">L</emphasis>
front view of staminate flower 
<emphasis bold="true" pageId="0" pageNumber="113">M</emphasis>
back view of staminate flower 
<emphasis bold="true" pageId="0" pageNumber="113">N</emphasis>
stamens 
<emphasis bold="true" pageId="0" pageNumber="113">O</emphasis>
front view of pistillate flower 
<emphasis bold="true" pageId="0" pageNumber="113">P</emphasis>
back view of pistillate flower 
<emphasis bold="true" pageId="0" pageNumber="113">Q</emphasis>
ovary with styles and stigmas 
<emphasis bold="true" pageId="0" pageNumber="113">R</emphasis>
cross section of ovary 
<emphasis bold="true" pageId="0" pageNumber="113">S, T</emphasis>
Immature capsule (different views) 
<emphasis bold="true" pageId="0" pageNumber="113">U</emphasis>
dry capsule showing abaxial wing 
<emphasis bold="true" pageId="0" pageNumber="113">V</emphasis>
dry capsule showing lateral wings.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="materials_examined">
<paragraph pageId="0" pageNumber="113">Additional specimens examined.</paragraph>
<paragraph pageId="0" pageNumber="113">
<materialsCitation collectingDate="2015-04-01" collectorName="Tian, Yan Xiao, Yi Tong, Li-Zhi Tian, Ya-Hong Gao, Chenshan Botanical Garden" country="China" county="Wuming County" elevation="380" latitude="23.438816" location="Dongzhong Town" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" specimenCount="1" stateProvince="Guangxi">
<emphasis bold="true" pageId="0" pageNumber="113">
<collectingCountry name="China">China</collectingCountry>
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
</emphasis>
: 
<collectingMunicipality>Fangchenggang District</collectingMunicipality>
(防城港区), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:FAEA57344B12F27DD6D191CD64653FED" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Dongzhong Town" stateProvince="Guangxi">Dongzhong Town</location>
(峒中镇), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:1DE1BF1D44CD6D79C608BD416768154B" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Nameng Village" stateProvince="Guangxi">Nameng Village</location>
(那蒙村), roadside of S325, near stream under bamboo forest, 
<geoCoordinate degrees="21" direction="north" minutes="38" orientation="latitude" precision="1" seconds="32.63" value="21.642397">21°38'32.63&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="107" direction="east" minutes="35" orientation="longitude" precision="1" seconds="48.91" value="107.596924">107°35'48.91&quot;E</geoCoordinate>
, elev. 
<quantity metricMagnitude="2" metricUnit="m" metricValue="3.8" unit="m" value="380.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="3.8" unit="m" value="380.0">380 m</elevation>
</quantity>
, 
<collectingDate value="2015-04-01">1 April 2015</collectingDate>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
Dai-Ke 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:0D1EA079A64CB73B3A44D8BF86DE9D8B" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Tian" stateProvince="Guangxi">Tian</location>
, 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:2184D230A708E88601AB62005D2CA367" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Li-Zhi Tian" stateProvince="Guangxi">Li-Zhi Tian</location>
, TDK2423
</emphasis>
(CSH!); 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:6A7D961C5906B146F70DA5DC2A1AC9FF" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Dongzhong Town" stateProvince="Guangxi">Dongzhong Town</location>
(峒中镇), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:0BC183C97D7A9B9DFFED728C4EB4D865" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Dakeng Village" stateProvince="Guangxi">Dakeng Village</location>
(大坑村), 
<normalizedToken originalValue="Maan’ao">
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:4FB20FF36C0631B1C5320E85AF751051" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Maan'ao" stateProvince="Guangxi">Maan'ao</location>
</normalizedToken>
(马鞍坳), 
<geoCoordinate degrees="21" direction="north" minutes="38" orientation="latitude" precision="1" seconds="25.32" value="21.640366">21°38'25.32&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="107" direction="east" minutes="39" orientation="longitude" precision="1" seconds="34.40" value="107.65955">107°39'34.40&quot;E</geoCoordinate>
, elev. 
<quantity metricMagnitude="2" metricUnit="m" metricValue="6.5" unit="m" value="650.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="6.5" unit="m" value="650.0">650 m</elevation>
</quantity>
; 
<collectingCounty>Wuming County</collectingCounty>
(武鸣县), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:B4EAB60E2F6CEC0F78F2C78DBE735B27" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Liangjiang Town" stateProvince="Guangxi">Liangjiang Town</location>
(两江镇), 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:3FE73E6066A9658AE225F6FADF71E392" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Daming Mountain Nature Reserve" stateProvince="Guangxi">Daming Mountain Nature Reserve</location>
(大明山保护区), 
<geoCoordinate degrees="23" direction="north" minutes="25" orientation="latitude" precision="15" seconds="38" value="23.427221">23°25'38&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="27" orientation="longitude" precision="15" seconds="35" value="108.45972">108°27'35&quot;E</geoCoordinate>
, elev. 
<quantity metricMagnitude="2" metricUnit="m" metricValue="5.5" unit="m" value="550.0">
<elevation metricMagnitude="2" metricUnit="m" metricValue="5.5" unit="m" value="550.0">550 m</elevation>
</quantity>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
Dai-Ke 
<collectorName>Tian</collectorName>
, 
<collectorName>Yan Xiao</collectorName>
, 
<collectorName>Yi Tong</collectorName>
&amp; 
<collectorName>Li-Zhi Tian</collectorName>
, TDK3008
</emphasis>
(CSH!); 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:53E4A86A9DE840CC452DF9340003554F" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Wunming County" stateProvince="Guangxi">Wunming County</location>
, 
<location LSID="urn:lsid:plazi:treatment:33EBF6967D3856CAA1E338664EBF7871:484BE6AEAEB8731696794FE89E437807" country="China" county="Wuming County" latitude="23.438816" longLatPrecision="1" longitude="108.40887" municipality="Fangchenggang District" name="Liangjiang Town" stateProvince="Guangxi">Liangjiang Town</location>
, 
<geoCoordinate degrees="23" direction="north" minutes="26" orientation="latitude" precision="1" seconds="19.74" value="23.438816">23°26'19.74&quot;N</geoCoordinate>
, 
<geoCoordinate degrees="108" direction="east" minutes="24" orientation="longitude" precision="1" seconds="31.92" value="108.40887">108°24'31.92&quot;E</geoCoordinate>
, 
<emphasis italics="true" pageId="0" pageNumber="113">
<collectorName>Ya-Hong Gao</collectorName>
TDK4001
</emphasis>
(collected at 
<collectingRegion country="China" name="Shanghai">Shanghai</collectingRegion>
<collectorName>Chenshan Botanical Garden</collectorName>
from introduced plants)
</materialsCitation>
</paragraph>
<caption doi="10.3897/phytokeys.182.69074.figure3" httpUri="https://binary.pensoft.net/fig/593705" pageId="0" pageNumber="113" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Figure 3.</emphasis>
Variation in leaf morphology of different populations of 
<taxonomicName authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia pseudoedulis</emphasis>
</taxonomicName>
<emphasis bold="true" pageId="0" pageNumber="113">A-E</emphasis>
the population from Fangcheng, Fangchenggang, 
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
(
<emphasis bold="true" pageId="0" pageNumber="113">A, B</emphasis>
mature plants 
<emphasis bold="true" pageId="0" pageNumber="113">C-E</emphasis>
juvenile individuals showing dense hairs on petioles) 
<emphasis bold="true" pageId="0" pageNumber="113">F-H</emphasis>
wuming, Nanning, 
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
<emphasis bold="true" pageId="0" pageNumber="113">I, J</emphasis>
daxin, Chongzuo, 
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
(photos 
<emphasis bold="true" pageId="0" pageNumber="113">A-E, J</emphasis>
by Dai-Ke Tian 
<emphasis bold="true" pageId="0" pageNumber="113">F-H</emphasis>
by Jun Liu from 
<collectingRegion country="China" name="Zhejiang">Zhejiang</collectingRegion>
University; 
<emphasis bold="true" pageId="0" pageNumber="113">I</emphasis>
by Chen-Yang Zhao from Daxin County of 
<collectingRegion country="China" name="Guangxi">Guangxi</collectingRegion>
). Note: The population from Daxin, Chongzuo (
<emphasis bold="true" pageId="0" pageNumber="113">I, J</emphasis>
) is only recognized by morphology without molecular evidence.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="distribution">
<paragraph pageId="0" pageNumber="113">Distribution and habitat.</paragraph>
<paragraph pageId="0" pageNumber="113">
Currently known from four localities with elev. 160-650 m. (Fig. 
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Distribution of Begonia pseudoedulis and the allied B. edulis and B. dielsiana." figureDoi="10.3897/phytokeys.182.69074.figure4" httpUri="https://binary.pensoft.net/fig/593706" pageId="0" pageNumber="113">4</figureCitation>
). It grows in shaded environment along the stream or near waterfall under the broad-leaved forest.
</paragraph>
<caption doi="10.3897/phytokeys.182.69074.figure4" httpUri="https://binary.pensoft.net/fig/593706" pageId="0" pageNumber="113" start="Figure 4" startId="F4">
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Figure 4.</emphasis>
Distribution of 
<taxonomicName authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia pseudoedulis</emphasis>
</taxonomicName>
and the allied 
<taxonomicName lsidName="B. edulis" pageId="0" pageNumber="113" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. edulis</emphasis>
</taxonomicName>
and 
<taxonomicName lsidName="B. dielsiana" pageId="0" pageNumber="113" rank="species" species="dielsiana">
<emphasis italics="true" pageId="0" pageNumber="113">B. dielsiana</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="phenology">
<paragraph pageId="0" pageNumber="113">Phenology.</paragraph>
<paragraph pageId="0" pageNumber="113">Flowering August-October, fruiting September-November.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="etymology">
<paragraph pageId="0" pageNumber="113">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="113">
The specific epithet &quot; 
<taxonomicName authorityName="D. K. Tian, X. X. Feng &amp; R. K. Li" authorityYear="2021" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia pseudoedulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia pseudoedulis</emphasis>
</taxonomicName>
&quot; refers to its similarity to 
<taxonomicName lsidName="B. edulis" pageId="0" pageNumber="113" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. edulis</emphasis>
</taxonomicName>
, because both are easily confused based on appearance when the inflorescences and flowers are invisible.
</paragraph>
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Conservation status</emphasis>
. Only four populations with under 1000 estimated individuals have been found so far in three counties of Guangxi. Each population consisting of approximately 20-300 individuals is distributed in no more than 200 m2 area. The population size is prone to decrease by illegal collection for medicinal and ornamental uses. Considering the disturbance of human activities and narrow distribution, 
<taxonomicName lsidName="B. pseudoedulis" pageId="0" pageNumber="113" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. pseudoedulis</emphasis>
</taxonomicName>
is currently assessed as &quot;Near Threatened&quot; (NT) according to the IUCN Red List Categories and Criteria (IUCN, 2019).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="113" type="molecular analysis">
<paragraph pageId="0" pageNumber="113">Molecular Analysis</paragraph>
<paragraph pageId="0" pageNumber="113">
The ITS data set containing 40 accessions represented 26 species, four main sections of 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="genus">Begonia</taxonomicName>
in China and one section from Africa (Table 
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Begonia species and populations included in the phylogenetic analysis (Sectional placement follows Moonlight et al. 2018)." httpUri="http://table.plazi.org/id/4644E64FADE1BE38ECC8C19621213D9E" pageId="0" pageNumber="113" tableUuid="4644E64FADE1BE38ECC8C19621213D9E">1</tableCitation>
). The aligned matrix of ITS region was 664 bp. The result of Bayesian inference analysis was shown in Fig. 
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Bayesian inference of the phylogenetic position of the newly described B. pseudoedulis within sect. Begonia Platycentrum based on nuclear ITS sequences." figureDoi="10.3897/phytokeys.182.69074.figure5" httpUri="https://binary.pensoft.net/fig/593707" pageId="0" pageNumber="113">5</figureCitation>
. The sect. 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="section" section="Platycentrum">Begonia Platycentrum</taxonomicName>
appeared monophyletic with a high Bayesian posterior probability (bpp = 0.97). The putative new species was a monophyletic lineage (bpp = 1) and sister with 
<taxonomicName lsidName="B. dielsiana" pageId="0" pageNumber="113" rank="species" species="dielsiana">
<emphasis italics="true" pageId="0" pageNumber="113">B. dielsiana</emphasis>
</taxonomicName>
and 
<taxonomicName lsidName="B. emeiensis" pageId="0" pageNumber="113" rank="species" species="emeiensis">
<emphasis italics="true" pageId="0" pageNumber="113">B. emeiensis</emphasis>
</taxonomicName>
. 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia edulis" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="species" species="edulis">
<emphasis italics="true" pageId="0" pageNumber="113">Begonia edulis</emphasis>
</taxonomicName>
with the highest morphologic resemblance of 
<taxonomicName lsidName="B. pseudoedulis" pageId="0" pageNumber="113" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. pseudoedulis</emphasis>
</taxonomicName>
formed another clade.
</paragraph>
<caption doi="10.3897/phytokeys.182.69074.figure5" httpUri="https://binary.pensoft.net/fig/593707" pageId="0" pageNumber="113" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="113">
<emphasis bold="true" pageId="0" pageNumber="113">Figure 5.</emphasis>
Bayesian inference of the phylogenetic position of the newly described 
<taxonomicName lsidName="B. pseudoedulis" pageId="0" pageNumber="113" rank="species" species="pseudoedulis">
<emphasis italics="true" pageId="0" pageNumber="113">B. pseudoedulis</emphasis>
</taxonomicName>
within sect. 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="section" section="Platycentrum">Begonia Platycentrum</taxonomicName>
based on nuclear ITS sequences.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="113">
Nodes with bpp &lt;0.50 have been collapsed. Sectional placement of taxa is indicated by the following abbreviations: 
<emphasis italics="true" pageId="0" pageNumber="113">Aug</emphasis>
: 
<taxonomicName class="Insecta" family="Leiodidae" genus="Augustia" kingdom="Animalia" lsidName="Augustia" order="Coleoptera" pageId="0" pageNumber="113" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="113">Augustia</emphasis>
</taxonomicName>
, 
<emphasis italics="true" pageId="0" pageNumber="113">Coe</emphasis>
: 
<taxonomicName authorityName="Crosse &amp; P. Fischer" authorityYear="1872" class="Gastropoda" family="Eucalodiidae" genus="Coelocentrum" kingdom="Animalia" lsidName="Coelocentrum" order="Stylommatophora" pageId="0" pageNumber="113" phylum="Mollusca" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="113">Coelocentrum</emphasis>
</taxonomicName>
, 
<emphasis italics="true" pageId="0" pageNumber="113">Dip</emphasis>
: 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Diploclinium" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Diploclinium" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="113">Diploclinium</emphasis>
</taxonomicName>
, 
<emphasis italics="true" pageId="0" pageNumber="113">Pla</emphasis>
: 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Platycentrum" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Platycentrum" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="113">Platycentrum</emphasis>
</taxonomicName>
, 
<emphasis italics="true" pageId="0" pageNumber="113">Rei</emphasis>
: 
<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Reichenheimia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Reichenheimia" order="Cucurbitales" pageId="0" pageNumber="113" phylum="Tracheophyta" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="113">Reichenheimia</emphasis>
</taxonomicName>
. The numbers after the species names indicate different populations. The samples of new species are indicated in bold letters.
</paragraph>
</subSubSection>
</treatment>
</document>