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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.19.3968" ID-PMC="PMC3597003" ID-Pensoft-Pub="1314-2003-19-51" ID-Pensoft-UUID="FF98D5359342FF9B3C5A0C6CFFC1FFA7" ID-PubMed="23717190" ID-Zenodo-Dep="576152" ModsDocID="1314-2003-19-51" checkinTime="1451251955680" checkinUser="pensoft" docAuthor="Monro, Alex K., Wei, Y. G. &amp; Chen, C. J." docDate="2012" docId="0BB3C0C40FF453D2955DF94545F8C214" docLanguage="en" docName="PhytoKeys 19: 51-66" docOrigin="PhytoKeys 19" docPubDate="2012-12-28" docSource="http://dx.doi.org/10.3897/phytokeys.19.3968" docTitle="Pilea cavernicola A. K. Monro, C. J. Chen &amp; Y. G. Wei 2012, sp. nov." docType="treatment" docVersion="4" id="FF98D5359342FF9B3C5A0C6CFFC1FFA7" lastPageNumber="55" masterDocId="FF98D5359342FF9B3C5A0C6CFFC1FFA7" masterDocTitle="Three new species of Pilea (Urticaceae) from limestone karst in China" masterLastPageNumber="66" masterPageNumber="51" pageNumber="53" updateTime="1668140720434" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Three new species of Pilea (Urticaceae) from limestone karst in China</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Monro, Alex K.</mods:namePart>
<mods:affiliation>Department of Life Sciences, The Natural History Museum, London, SW 7 5 BD, United Kingdom &amp; The Herbarium, The Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AB, United Kingdom</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Wei, Y. G.</mods:namePart>
<mods:affiliation>Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin, Guangxi 541006, People's Republic of China</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, C. J.</mods:namePart>
<mods:affiliation>Chinese National Herbarium, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, People's Republic of China</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>2012</mods:date>
<mods:detail type="pubDate">
<mods:number>2012-12-28</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>19</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>51</mods:start>
<mods:end>66</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.19.3968</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.19.3968</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-19-51</mods:identifier>
<mods:identifier type="Pensoft-UUID">FF98D5359342FF9B3C5A0C6CFFC1FFA7</mods:identifier>
<mods:identifier type="Zenodo-Dep">576152</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="182229178" LSID="urn:lsid:plazi:treatment:0BB3C0C40FF453D2955DF94545F8C214" httpUri="http://treatment.plazi.org/id/0BB3C0C40FF453D2955DF94545F8C214" lastPageId="4" lastPageNumber="55" pageId="2" pageNumber="53">
<subSubSection pageId="2" pageNumber="53" type="nomenclature">
<paragraph pageId="2" pageNumber="53">
<taxonomicName LSID="0BB3C0C4-0FF4-53D2-955D-F94545F8C214" authority="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Pilea cavernicola" order="Urticales" pageId="2" pageNumber="53" phylum="Angiospermae" rank="species" species="cavernicola" status="sp. nov.">Pilea cavernicola A.K. Monro, C.J. Chen &amp; Y.G. Wei</taxonomicName>
<taxonomicNameLabel pageId="2" pageNumber="53">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Pilea cavernicola. A Habit B Close up of a pistillate inflorescence C Close up of a pistillate flower D Close up of staminate inflorescence E Close up of staminate flower. Based on Monro &amp; Wei 6669." httpUri="https://binary.pensoft.net/fig/10210" pageId="2" pageNumber="53">Figs 1 A-E</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Pilea cavernicola. A Staminate flowers B Habit showing cave floor substrate in the background C pistillate inflorescence and flowers. Images of Monro &amp; Wei 6669." httpUri="https://binary.pensoft.net/fig/10211" pageId="2" pageNumber="53">, 2 A-C</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Habitats ofspecies described in this manuscript. A, B Pilea cavernicola, Yangzi cave, Fengshan County. Locality for Monro &amp; Wei 6669 A Interior of cave B Exterior view of the cave C Habitat of Pilea shizongensis, Feng Huang Gu gorge, Shizong County. Locality for Monro &amp; Wei 6727 D, E Habitat of Pilea guizhouensis, petaloid travertine wall of Malinghe Gorge E close-up of petaloid travertine formation, Locality for Monro &amp; Wei 6715." httpUri="https://binary.pensoft.net/fig/10212" pageId="2" pageNumber="53">, 3 A-B</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="53" type="diagnosis">
<paragraph pageId="2" pageNumber="53">Diagnosis.</paragraph>
<paragraph pageId="2" pageNumber="53">
Most similar to
<taxonomicName authorityName="Wedd" authorityYear="1854" baseAuthorityName="Buch. - Ham. ex D. Don" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="2" pageNumber="53" phylum="Angiospermae" rank="species" species="scripta">
<emphasis italics="true" pageId="2" pageNumber="53">Pilea scripta</emphasis>
</taxonomicName>
from which it can be distinguished by the shorter stems, ovate rather than elliptic or oblong leaves, stipules with auriculate bases rather than deltate ones, the staminate tepals not ribbed and the sub-compressed elliptic rather than ovoid achenes with smooth non verrucose surfaces.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="53" type="type">
<paragraph pageId="2" pageNumber="53">Type.</paragraph>
<paragraph pageId="2" pageNumber="53">
<emphasis bold="true" pageId="2" pageNumber="53">China.</emphasis>
Guangxi: Fengshan County, Paoli Town, Yangzi cave, 490 m,
<geoCoordinate degrees="024" direction="north" minutes="23" orientation="latitude" precision="1" seconds="22.2" value="24.3895">024°23'22.2&quot;N</geoCoordinate>
,
<geoCoordinate degrees="107" direction="east" minutes="03" orientation="longitude" precision="1" seconds="59.1" value="107.06642">107°03'59.1&quot;E</geoCoordinate>
(DMS), 9 May 2010,
<emphasis italics="true" pageId="2" pageNumber="53">A. K. Monro &amp; Y.G. Wei 6669</emphasis>
(holotype: IBK; isotypes: BM001001214, MO, PE).
</paragraph>
</subSubSection>
<subSubSection lastPageId="3" lastPageNumber="54" pageId="2" pageNumber="53" type="description">
<paragraph pageId="2" pageNumber="53">Description.</paragraph>
<paragraph lastPageId="3" lastPageNumber="54" pageId="2" pageNumber="53">
Herb to 50 cm, terrestrial. Stems erect, drying brown, maroon to green when fresh, glabrous or pubescent at the nodes and towards the base, where pubescent the hairs 1.0 mm, erect, crooked, cystoliths fusiform, the internodes 23-300
<normalizedToken originalValue="×">x</normalizedToken>
1.5-2.5 mm, angulate to square in cross-section, striate. Stipules 2.5-4.0 mm, auriculate-ovate, drying brown. Leaves petiolate, distichous; petioles at each node subequal or unequal by ratio 1:1.1-2.8, 12-33 mm, pubescent or glabrous, where pubescent the hairs 1.0-1.25 mm, erect, weakly curved or crooked; laminae at each node equal or subequal, 26-90
<normalizedToken originalValue="×">x</normalizedToken>
12-46 mm, ovate, subchartaceous; 3-nerved, the lateral nerves visible for 2/3 or more of the lamina length, secondary nerves 7-11 pairs, borne 60-75° to the midrib, weakly curved; upper surface drying dark brown, green or bronze when fresh, glabrous, cystoliths densely scattered, less than 0.125 mm, elliptic and punctiform, midrib and secondary nerves sunken; lower surface drying brown to dark brown, pale green or flushed bronze-purplish when fresh, pubescent, the hairs 0.75-1.0 mm, appressed, weakly curved, eglandular; base symmetrical, cuneate or weakly decurrent; margin serrate, the basal 1/8-1/4 entire; apex symmetrical, cuspidate. Inflorescences 4-8 per stem, unisexual, staminate and pistillate inflorescences synchronous, born on separate stems; bracts 0.75 mm; bracteoles 0.5 mm. Staminate inflorescences 2 per axil, 17-22 mm, bearing 45-90 flowers in a loose cyme; peduncle 1/4 or less inflorescence length, 0.75 mm in diameter, glabrous, occasionally with cystoliths present; pedicels 0.50-1.5 mm, glabrous. Staminate flowers 1.5
<normalizedToken originalValue="×">x</normalizedToken>
1.5 mm immediately prior to anthesis, green-brown; tepals 4, 1.75 mm, valvate, fused for their basal 1/3, elliptic, glabrous, the subapical appendage less than 0.25 mm, corniculate, glabrous; stamens 4. Pistillate inflorescences 1 or 2 per axil, 8-13 mm, bearing 150-300 flowers in a loose
<pageBreakToken pageId="3" pageNumber="54" start="start">cyme</pageBreakToken>
; peduncle 1/4 to 1/3 inflorescence length, 0.75 mm in diameter, densely covered in cystoliths, cystoliths punctiform, glabrous; pedicels 0.25-0.75 mm, glabrous. Pistillate flowers 0.50-0.75 mm, tepals 3, unequal, glabrous, adaxial tepal 0.50-0.75 mm, oblong or ovate, the dorsal tepal appendage 0.50-0.75 mm, oblong, markedly thickened almost hood-like; the lateral tepals 0.375-0.50 mm, asymmetrically ovate. Infructescences 8-13 mm; peduncle 1/4 to 1/3 infructescence length; achenes 0.75
<normalizedToken originalValue="×">x</normalizedToken>
0.675 mm, sub compressed, asymmetrically ellipsoid, the abaxial margin very narrowly thickened.
</paragraph>
<caption httpUri="https://binary.pensoft.net/fig/10210" pageId="3" pageNumber="54" start="Figure 1" startId="F1">
<paragraph pageId="3" pageNumber="54">
<emphasis bold="true" pageId="3" pageNumber="54">Figure 1.</emphasis>
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="3" pageNumber="54">A</emphasis>
Habit
<emphasis bold="true" pageId="3" pageNumber="54">B</emphasis>
Close up of a pistillate inflorescence
<emphasis bold="true" pageId="3" pageNumber="54">C</emphasis>
Close up of a pistillate flower
<emphasis bold="true" pageId="3" pageNumber="54">D</emphasis>
Close up of staminate inflorescence
<emphasis bold="true" pageId="3" pageNumber="54">E</emphasis>
Close up of staminate flower. Based on Monro &amp; Wei 6669.
</paragraph>
</caption>
<caption httpUri="https://binary.pensoft.net/fig/10211" pageId="3" pageNumber="54" start="Figure 2" startId="F2">
<paragraph pageId="3" pageNumber="54">
<emphasis bold="true" pageId="3" pageNumber="54">Figure 2.</emphasis>
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
.
<emphasis bold="true" pageId="3" pageNumber="54">A</emphasis>
Staminate flowers B Habit showing cave floor substrate in the background C pistillate inflorescence and flowers. Images of
<emphasis italics="true" pageId="3" pageNumber="54">Monro &amp; Wei 6669</emphasis>
.
</paragraph>
</caption>
<caption httpUri="https://binary.pensoft.net/fig/10212" pageId="3" pageNumber="54" start="Figure 3" startId="F3">
<paragraph pageId="3" pageNumber="54">
<emphasis bold="true" pageId="3" pageNumber="54">Figure 3.</emphasis>
Habitats ofspecies described in this manuscript.
<emphasis bold="true" pageId="3" pageNumber="54">A, B</emphasis>
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
, Yangzi cave, Fengshan County.Locality for
<emphasis italics="true" pageId="3" pageNumber="54">Monro &amp; Wei 6669</emphasis>
<emphasis bold="true" pageId="3" pageNumber="54">A</emphasis>
Interior of cave
<emphasis bold="true" pageId="3" pageNumber="54">B</emphasis>
Exterior view of the cave
<emphasis bold="true" pageId="3" pageNumber="54">C</emphasis>
Habitat of
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="shizongensis">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea shizongensis</emphasis>
</taxonomicName>
, Feng Huang Gu gorge, Shizong County. Locality for
<emphasis italics="true" pageId="3" pageNumber="54">Monro &amp; Wei 6727</emphasis>
<emphasis bold="true" pageId="3" pageNumber="54">D, E</emphasis>
Habitat of
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="guizhouensis">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea guizhouensis</emphasis>
</taxonomicName>
, petaloid travertine wall of Malinghe Gorge
<emphasis bold="true" pageId="3" pageNumber="54">E</emphasis>
close-up of petaloid travertine formation, Locality for
<emphasis italics="true" pageId="3" pageNumber="54">Monro &amp; Wei 6715</emphasis>
.
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="3" pageNumber="54" type="distribution">
<paragraph pageId="3" pageNumber="54">Distribution.</paragraph>
<paragraph pageId="3" pageNumber="54">North West Guangxi Province, ca 500-1000 m, caves in limestone karst, growing at any point from the back to the entrance of the cave, PAR 0.02-1.39 mmol/m2/sec (ca 0.04-2.78 % full daylight).</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="54" type="etymology">
<paragraph pageId="3" pageNumber="54">Etymology.</paragraph>
<paragraph pageId="3" pageNumber="54">The species name refers to the cave-dwelling habit of this species.</paragraph>
</subSubSection>
<subSubSection pageId="3" pageNumber="54" type="paratypes">
<paragraph pageId="3" pageNumber="54">Paratypes.</paragraph>
<paragraph pageId="3" pageNumber="54">
CHINA: Guangxi Province: Fengshan County, Paoli Town, Sidui Village, Xibi cave, 740 m,
<geoCoordinate degrees="024" direction="north" minutes="24" orientation="latitude" precision="1" seconds="38.5" value="24.410694">024°24'38.5&quot;N</geoCoordinate>
,
<geoCoordinate degrees="107" direction="east" minutes="04" orientation="longitude" precision="1" seconds="53.5" value="107.08153">107°04'53.5&quot;E</geoCoordinate>
(DMS), 8 May 2010,
<emphasis italics="true" pageId="3" pageNumber="54">A. K. Monro &amp; Y.G. Wei 6654</emphasis>
(IBK, BM001001215, PE, MO).
</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="55" pageId="3" pageNumber="54" type="discussion">
<paragraph pageId="3" pageNumber="54">Discussion.</paragraph>
<paragraph lastPageId="4" lastPageNumber="55" pageId="3" pageNumber="54">
Comparison of the holotype and paratype material with type specimens from the herbaria listed in the methods section recovered
<taxonomicName authorityName="Wedd" authorityYear="1854" baseAuthorityName="Buch. - Ham. ex D. Don" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="scripta">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea scripta</emphasis>
</taxonomicName>
(Buch.-Ham. ex D.Don) Wedd. and
<taxonomicName authorityName="Hand - Mazz" authorityYear="1929" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="gracilis">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea gracilis</emphasis>
</taxonomicName>
Handel-Mazzetti as most similar to
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
.
<taxonomicName authorityName="Wedd" authorityYear="1854" baseAuthorityName="Buch. - Ham. ex D. Don" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="scripta">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea scripta</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
based on stem height, leaf shape, stipule shape, staminate tepal morphology and achene morphology as summarised in
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. XX" httpUri="http://table.plazi.org/id/4F219DFE92B8E01AB358DEA3381DE57C" pageId="3" pageNumber="54" tableUuid="4F219DFE92B8E01AB358DEA3381DE57C">Table 1</tableCitation>
.
<taxonomicName authorityName="Hand - Mazz" authorityYear="1929" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="gracilis">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea gracilis</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="3" pageNumber="54" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="3" pageNumber="54">Pilea cavernicola</emphasis>
</taxonomicName>
based on leaf shape, stipule morphology, staminate and pistillate inflorescence morphology and achene morphology as summarised in
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. XX" httpUri="http://table.plazi.org/id/2A8649446BCC48B21B9E508E3921F40F" lastPageId="4" lastPageNumber="55" pageId="3" pageNumber="54" tableUuid="2A8649446BCC48B21B9E508E3921F40F">
Table
<pageBreakToken pageId="4" pageNumber="55" start="start">2</pageBreakToken>
</tableCitation>
.
</paragraph>
<paragraph pageId="4" pageNumber="55">
Pilea cavernicola falls within
<bibRefCitation author="Weddell, HA" journalOrPublisher="American Journal of Botany" pageId="7" pageNumber="58" refId="B9" refString="Weddell, HA, 1869. Pilea. In: deCandolle ALLP (Ed) Prodromus 16(1), Treuttel and Wurtz, Paris, 104-163." title="Pilea. In: deCandolle ALLP (Ed) Prodromus 16 (1), Treuttel and Wurtz, Paris, 104 - 163." year="1869">
<normalizedToken originalValue="Weddells">Weddell's</normalizedToken>
(1869)
</bibRefCitation>
Dentatae-Gerontogeae subdivision and
<bibRefCitation author="Chen, CJ" journalOrPublisher="Bulletin of Botanical Research Harbin" pageId="7" pageNumber="58" pagination="1 - 132" refId="B1" refString="Chen, CJ, 1982. A monograph of Pilea (Urticaceae) in China. Bulletin of Botanical Research Harbin 2 (3): 1 - 132" title="A monograph of Pilea (Urticaceae) in China." volume="2" year="1982">
<normalizedToken originalValue="Chens">Chen's</normalizedToken>
(1982)
</bibRefCitation>
Urticella Section of the genus.
</paragraph>
<paragraph pageId="4" pageNumber="55">
<emphasis bold="true" pageId="4" pageNumber="55">Conservation status.</emphasis>
Using IUCN criteria (
<bibRefCitation author="International Union for Conservation of Nature and Natural Resources Species Survival Commission," journalOrPublisher="International Union for Conservation of Nature and Natural Resources, Gland and Cambridge" pageId="7" pageNumber="58" refId="B4" refString="International Union for Conservation of Nature and Natural Resources Species Survival Commission, , 2001. IUCN Red List Categories: Version 3.1. International Union for Conservation of Nature and Natural Resources, Gland and Cambridge, 70 pp." title="IUCN Red List Categories: Version 3.1." year="2001">IUCN 2001</bibRefCitation>
)
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea cavernicola</emphasis>
</taxonomicName>
is considered Vulnerable (VU).
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea cavernicola</emphasis>
</taxonomicName>
is known from only two localities (IUCN criteria D2, number of locations &lt;5). At these localities the populations of this species comprises ca 100-200 mature individuals (IUCN criteria D1, number of mature individuals &lt;1000). Using the IUCN methodology our Global Conservation Assessment for
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea cavernicola</emphasis>
</taxonomicName>
is Vulnerable (VU)based on criteria D1 and D2: population size and number of locations combined with a plausible future threat that could drive this taxon to Endangered in a very short time. Plausible threats include the location of both caves at the edge of agricultural land, the use of the entrance of one of the cave localities (Yangzi cave) to cultivate medicinal plants (
<taxonomicName class="Dicotyledoneae" family="Papaveraceae" genus="Corydalis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Papaverales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="genus">
<emphasis italics="true" pageId="4" pageNumber="55">Corydalis</emphasis>
</taxonomicName>
sp.), requiring the terracing and tilling of the substrate. In addition mining is growing rapidly in the whole region and any localities close to roads are vulnerable to exploitation.
</paragraph>
<caption ID-Table-UUID="4F219DFE92B8E01AB358DEA3381DE57C" httpUri="http://table.plazi.org/id/4F219DFE92B8E01AB358DEA3381DE57C" pageId="4" pageNumber="55" start="Table 1" startId="T1">
<paragraph pageId="4" pageNumber="55">
<emphasis bold="true" pageId="4" pageNumber="55">Table 1.</emphasis>
XX
</paragraph>
</caption>
<paragraph pageId="4" pageNumber="55">
<table pageId="4" pageNumber="55">
<tr pageId="4" pageNumber="55">
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<emphasis bold="true" pageId="4" pageNumber="55">Characters</emphasis>
</th>
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea cavernicola</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<taxonomicName authorityName="Wedd" authorityYear="1854" baseAuthorityName="Buch. - Ham. ex D. Don" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="scripta">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea scripta</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Stem height</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">to 50 cm</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">to 1.5 m</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Leaf shape</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">ovate</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">elliptic or oblong-lanceolate</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Stipule morphology</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">ovate with conspicuous auriculate base</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">triangular with deltate base</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Staminate tepal morphology</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">not conspicuously ribbed</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">conspicuously ribbed</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Achene morphology</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">sub compressed asymmetrical ellipsoid, the surface smooth</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">compressed asymmetrical ovoid, the surface verrucose</td>
</tr>
</table>
</paragraph>
<caption ID-Table-UUID="2A8649446BCC48B21B9E508E3921F40F" httpUri="http://table.plazi.org/id/2A8649446BCC48B21B9E508E3921F40F" pageId="4" pageNumber="55" start="Table 2" startId="T2">
<paragraph pageId="4" pageNumber="55">
<emphasis bold="true" pageId="4" pageNumber="55">Table 2.</emphasis>
XX
</paragraph>
</caption>
<paragraph pageId="4" pageNumber="55">
<table pageId="4" pageNumber="55">
<tr pageId="4" pageNumber="55">
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<emphasis bold="true" pageId="4" pageNumber="55">Characters</emphasis>
</th>
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<taxonomicName authorityName="A. K. Monro, C. J. Chen &amp; Y. G. Wei" authorityYear="2012" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="cavernicola">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea cavernicola</emphasis>
</taxonomicName>
</th>
<th colspan="1" pageId="4" pageNumber="55" rowspan="1">
<taxonomicName authorityName="Hand - Mazz" authorityYear="1929" class="Dicotyledoneae" family="Urticaceae" genus="Pilea" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Urticales" pageId="4" pageNumber="55" phylum="Angiospermae" rank="species" species="gracilis">
<emphasis italics="true" pageId="4" pageNumber="55">Pilea gracilis</emphasis>
</taxonomicName>
</th>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Leaf shape</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">ovate, apex cuspidate</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">elliptic or elliptic-lanceolate, apex acuminate or caudate-acuminate</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Stipule morphology</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">ovate with conspicuous auriculate base, 2.5-4.0 mm</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">triangular with deltate base, ca 1 mm</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Staminate inflorescence</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">17-22 mm</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">20-50 mm</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Pistillate inflorescence</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">8-13 mm</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">20-50 mm</td>
</tr>
<tr pageId="4" pageNumber="55">
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">Achene morphology</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">the surface smooth</td>
<td colspan="1" pageId="4" pageNumber="55" rowspan="1">the surface verrucose or verrucose-spinulose</td>
</tr>
</table>
</paragraph>
</subSubSection>
</treatment>
</document>