treatments-xml/data/03/A9/87/03A987E2FFF8C84C37A9FD8C8F39FBFD.xml
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<document id="10F1BA35D69B40960F33DFC474001BCF" ID-CLB-Dataset="6182" ID-DOI="10.11646/phytotaxa.29.1.1" ID-GBIF-Dataset="52e55c02-45c3-498b-9537-3d93c79153fc" ID-ISSN="1179-3163" ID-Zenodo-Dep="4894334" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1622648804388" checkinUser="felipe" docAuthor="Wei, Y. G., Monro, A. K. &amp; Wang, W. T." docDate="2011" docId="03A987E2FFF8C84C37A9FD8C8F39FBFD" docLanguage="en" docName="Phytotaxa.29.1-27.pdf.imf" docOrigin="Phytotaxa 29" docSource="http://biotaxa.org/Phytotaxa/article/view/phytotaxa.29.1.1" docStyle="DocumentStyle:13F189B31CB4CCCE9197361A4E100104.3:Phytotaxa.2011-2013.journal_article" docStyleId="13F189B31CB4CCCE9197361A4E100104" docStyleName="Phytotaxa.2011-2013.journal_article" docStyleVersion="3" docTitle="Elatostema nianbense W. T. Wang, Y. G. Wei &amp; A. K. Monro 2011, sp. nov" docType="treatment" docVersion="5" lastPageNumber="20" masterDocId="FF90FF9AFFE8C85F373EFFEB8B1FFFE0" masterDocTitle="Additions to the Flora of China: seven new species of Elatostema (Urticaceae) from the karst landscapes of Guangxi and Yunnan" masterLastPageNumber="27" masterPageNumber="1" pageNumber="17" updateTime="1698998209290" updateUser="ExternalLinkService" zenodo-license-document="CLOSED">
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<mods:title id="549F1684AD9FA28B49D16F479AEB7160">Additions to the Flora of China: seven new species of Elatostema (Urticaceae) from the karst landscapes of Guangxi and Yunnan</mods:title>
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<mods:namePart id="34AFE5C592EC41C3F3B785CB2D9B8B0B">Wei, Y. G.</mods:namePart>
<mods:affiliation id="6E1579D687D5905790D3A04D927394B1">Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization, Guangxi Institute of Botany, Chinese Academy of Sciences, Guilin 541006, China. E-mail: weiyigang @ yahoo. com. cn</mods:affiliation>
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<mods:affiliation id="D1D133BCE43310E00B61CB9ABFC7D496">Department of Botany, The Natural History Museum, London, SW 7 5 BD, United Kingdom. E-mail: alm @ nhm. ac. uk (corresponding author)</mods:affiliation>
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<emphasis id="B974EAE6FFF8C84F37A9FD8C8AA6FD63" bold="true" box="[151,441,615,643]" italics="true" pageId="16" pageNumber="17">Elatostema nianbense</emphasis>
W.T.Wang, Y.G.Wei &amp; A.K.Monro
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(
<figureCitation id="133B2A71FFF8C84F3328FD838F6DFD64" box="[1046,1138,616,644]" captionStart="FIGURE 10" captionStartId="17.[151,256,1915,1939]" captionTargetBox="[187,1406,181,1907]" captionTargetId="figure-82@17.[172,1416,166,1914]" captionTargetPageId="17" captionText="FIGURE 10. Elatostema nianbense. A. Habit with leaves, stipules, staminate and pistillate inflorescences visible. B. Staminate inflorescence with marginal receptacle bracts, staminate flowers and subapical corniculate tepal appendages visible. C. Staminate bracteoles. D. Pistillate inflorescence viewed from below with marginal bracts visible. E. Pistillate flower and bracteole. F. Achene. Monro, Wei &amp; Lu 6432, IBK (Illustration by Sun Ying-Bao)." figureDoi="http://doi.org/10.5281/zenodo.4894355" httpUri="https://zenodo.org/record/4894355/files/figure.png" pageId="16" pageNumber="17">Fig. 10</figureCitation>
&amp;
<figureCitation id="133B2A71FFF8C84F33A5FD838FA5FD64" box="[1179,1210,616,644]" captionStart="FIGURE 11" captionStartId="18.[151,258,1942,1966]" captionTargetBox="[189,1394,181,1920]" captionTargetId="figure-74@18.[189,1394,181,1920]" captionTargetPageId="18" captionText="FIGURE 11. Elatostema nianbense. A. Habitat, base of waterfall in the Nian Ba gorge surrounded by subtropical evergreen forest. B. Staminate inflorescence with marginal receptacle bracts, staminate flowers and anthers visible. C. Pistillate inflorescence with marginal bracts and flower clusters visible. Monro, Wei &amp; Lu 6432 (Photo A.K. Monro)." figureDoi="http://doi.org/10.5281/zenodo.4894358" httpUri="https://zenodo.org/record/4894358/files/figure.png" pageId="16" pageNumber="17">11</figureCitation>
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<emphasis id="B974EAE6FFF8C84F37A9FD668FA1FD24" italics="true" pageId="16" pageNumber="17">Elatostemo filipis similis sed planta majori monoeca, caulibus pubescentibus, cystolithis numerosis instructis, pedunculis staminalibus majoribus, floribus quintepartitis, receptalaco pistillato majori, differt</emphasis>
.
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gorge, at foot of waterfall in gorge, subtropical evergreen forest,
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6432
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Perennial herb, terrestrial, monoecious. Not tuber forming. Stems 300500 × 1.55.0 mm, erect to arching, succulent, green, drying finely sulcate or striate, with tufts of hairs at nodes, the hairs 0.751.00 mm, straight, weakly appressed, broad based frequently, with a pronounced ring at their base, internodes
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. Stipules 1 at each node, persistent,
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, lanceolate, glabrous.Leaves distichous, alternate, subsequent leaves unequal, the major leaves subsessile, petioles 2.02.5 ×
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, pubescent, the hairs
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, weakly curved, erect; the minor leaves sessile, the major laminae 40140 ×
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, length:width ratio 1:2.13.2, asymmetrically oblong-obovate, subchartaceous, 3-nerved, the secondary nerves 2 or 3 pairs, 30 45° to the midrib; the minor laminae caducous, ca 5 × ca
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, broadly obovate otherwise as major laminae; upper surface drying bright green, pubescent, the hairs clustered in patches between the secondary nerves,
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, curved, appressed, cystoliths densely distributed, bacilliform, &lt;
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; lower surface drying green, glabrous, the hairs
<quantity id="4CF89B11FFF8C84F3648FB01895FFAE4" box="[374,576,1258,1284]" metricMagnitude="-4" metricUnit="m" metricValue="7.125" metricValueMax="7.5" metricValueMin="6.75" pageId="16" pageNumber="17" unit="mm" value="0.7125" valueMax="0.75" valueMin="0.675">
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mm
</quantity>
, weakly curved, appressed, cystoliths absent but imprint of upper surface cystoliths visible; base asymmetrical, cordate / decurrent; margins subserrate to base, the teeth spaced
<quantity id="4CF89B11FFF8C84F325FFAFA8BDAFAB2" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="16" pageNumber="17" unit="mm" value="7.5" valueMax="10.0" valueMin="5.0">510 mm</quantity>
apart; apex subacuminate to attenuate. Staminate inflorescences borne towards the stem apex, pistillate inflorescences borne towards the stem base. Staminate inflorescences solitary,
<quantity id="4CF89B11FFF8C84F3356FAB58FF2FA98" box="[1128,1261,1374,1400]" metricMagnitude="-2" metricUnit="m" metricValue="2.1" metricValueMax="2.5" metricValueMin="1.7" pageId="16" pageNumber="17" unit="mm" value="21.0" valueMax="25.0" valueMin="17.0">1725 mm</quantity>
, bearing 810 flowers in a pedunculate receptacle; peduncle 1437 ×
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, pubescent, bracts not seen, caducous?; receptacle 5.5 ×
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, subsymmetrical, capitate, not lobed or inconspicuously so, glabous, pale green above, green below, subtended by marginal bracts, the bracts equal, 46, 5.56.0, triangular, ovate, narrowly ovate, much reduced or absent to one side of the receptacle, pale green to very pale green, transluscent. Staminate flowers 3.03.5 ×
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immediately prior to anthesis, cream to fuchsia pink, pedicellate, bracteolate; pedicel 3.54.0 mm, glabrous; bracteoles 2, equal, 3.54.0 mm, triangular or oblanceolate-linear; tepals 4 or 5, the subapical appendage
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, corniculate, green. Pistillate inflorescence solitary,
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, bearing 5090 flowers in a pedunculate receptacle; peduncle 0.500.75 ×
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mm, glabrous bracteate; bracts
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<geoCoordinate id="EE345033FFF8C84F32B2F97F8BC4F934" degrees="0.375" direction="west" orientation="longitude" pageId="16" pageNumber="17" precision="55" value="-0.375">
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</geoCoordinate>
mm, subulate; receptacle 3.03.5 ×
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, angulate to ovate, 2-lobed, glabrous, bright green above, green below, subtended by marginal bracts, the bracts unequal, major bracts 2, 5 mm, assymetrically deltate, minor bracts 8,
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, forked, subminor bracts 16, 1.52.0 mm, subulate, green. Pistillate flowers 0.5 × &lt;
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at anthesis, cream, subsessile; bracteoles 2, equal,
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</geoCoordinate>
mm, linear-oblanceolate, ciliate. Infructescences as pistillate inflorescences; achene 0.60 ×
<quantity id="4CF89B11FFF8C84F34A4F8BE8F1BF88F" box="[922,1028,1877,1903]" metricMagnitude="-4" metricUnit="m" metricValue="2.5" pageId="16" pageNumber="17" unit="mm" value="0.25">0.25 mm</quantity>
, narrowly ellipsoid or subfusiform with narrow longitudinal ridges, pale brown to cream.
</paragraph>
</subSubSection>
<subSubSection id="C31A657FFFF8C84F37F8F8498F71F803" pageId="16" pageNumber="17" type="distribution">
<paragraph id="8BBF36F4FFF8C84F37F8F8498F71F803" blockId="16.[151,1438,755,2019]" pageId="16" pageNumber="17">
<emphasis id="B974EAE6FFF8C84F37F8F8498A40F85C" bold="true" box="[198,351,1954,1980]" pageId="16" pageNumber="17">Distribution</emphasis>
:—Known from a single collection from Jingxi County,
<collectingRegion id="49C4F816FFF8C84F333AF8498F76F85C" box="[1028,1129,1954,1980]" country="China" name="Guangxi" pageId="16" pageNumber="17">Guangxi</collectingRegion>
.
<taxonomicName id="4C004D77FFF8C84F3344F8488E60F85C" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[1146,1407,1955,1980]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="16" pageNumber="17" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFF8C84F3344F8488E60F85C" box="[1146,1407,1955,1980]" italics="true" pageId="16" pageNumber="17">Elatostema nianbense</emphasis>
</taxonomicName>
is found growing in a large dense clump at the base of a waterfall in an isolated gorge.
</paragraph>
</subSubSection>
<caption id="DF7F667CFFF9C84E37A9F8908F60F813" ID-DOI="http://doi.org/10.5281/zenodo.4894355" ID-Zenodo-Dep="4894355" httpUri="https://zenodo.org/record/4894355/files/figure.png" pageId="17" pageNumber="18" startId="17.[151,256,1915,1939]" targetBox="[187,1406,181,1907]" targetPageId="17">
<paragraph id="8BBF36F4FFF9C84E37A9F8908F60F813" blockId="17.[151,1436,1915,2035]" pageId="17" pageNumber="18">
<emphasis id="B974EAE6FFF9C84E37A9F8908A36F873" bold="true" box="[151,297,1915,1939]" pageId="17" pageNumber="18">FIGURE 10.</emphasis>
<taxonomicName id="4C004D77FFF9C84E360FF897893DF873" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[305,546,1916,1939]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="17" pageNumber="18" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFF9C84E360FF897893DF873" box="[305,546,1916,1939]" italics="true" pageId="17" pageNumber="18">Elatostema nianbense</emphasis>
</taxonomicName>
.
<emphasis id="B974EAE6FFF9C84E350EF890895CF873" bold="true" box="[560,579,1915,1939]" pageId="17" pageNumber="18">A</emphasis>
. Habit with leaves, stipules, staminate and pistillate inflorescences visible.
<emphasis id="B974EAE6FFF9C84E32BDF8908E8AF873" bold="true" box="[1411,1429,1915,1939]" pageId="17" pageNumber="18">B</emphasis>
. Staminate inflorescence with marginal receptacle bracts, staminate flowers and subapical corniculate tepal appendages visible.
<emphasis id="B974EAE6FFF9C84E37D2F8508BE0F833" bold="true" box="[236,255,1979,2003]" pageId="17" pageNumber="18">C</emphasis>
. Staminate bracteoles.
<emphasis id="B974EAE6FFF9C84E36C9F8508915F833" bold="true" box="[503,522,1979,2003]" pageId="17" pageNumber="18">D</emphasis>
. Pistillate inflorescence viewed from below with marginal bracts visible.
<emphasis id="B974EAE6FFF9C84E3221F8508E28F833" bold="true" box="[1311,1335,1979,2003]" pageId="17" pageNumber="18">E.</emphasis>
Pistillate flower and bracteole.
<emphasis id="B974EAE6FFF9C84E3641F8308A92F813" bold="true" box="[383,397,2011,2035]" pageId="17" pageNumber="18">F</emphasis>
. Achene.
<emphasis id="B974EAE6FFF9C84E36C7F83789F0F813" box="[505,751,2012,2035]" italics="true" pageId="17" pageNumber="18">Monro, Wei &amp; Lu 6432</emphasis>
, IBK (Illustration by Sun Ying-Bao).
</paragraph>
</caption>
<caption id="DF7F667CFFFAC84D37A9F87D8E6BF80D" ID-DOI="http://doi.org/10.5281/zenodo.4894358" ID-Zenodo-Dep="4894358" httpUri="https://zenodo.org/record/4894358/files/figure.png" pageId="18" pageNumber="19" startId="18.[151,258,1942,1966]" targetBox="[189,1394,181,1920]" targetPageId="18">
<paragraph id="8BBF36F4FFFAC84D37A9F87D8E6BF80D" blockId="18.[151,1436,1942,2029]" pageId="18" pageNumber="19">
<emphasis id="B974EAE6FFFAC84D37A9F87D8A35F84E" bold="true" box="[151,298,1942,1966]" pageId="18" pageNumber="19">FIGURE 11.</emphasis>
<taxonomicName id="4C004D77FFFAC84D360DF87D8935F84D" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[307,554,1942,1965]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="18" pageNumber="19" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFFAC84D360DF87D8935F84D" box="[307,554,1942,1965]" italics="true" pageId="18" pageNumber="19">Elatostema nianbense</emphasis>
</taxonomicName>
.
<emphasis id="B974EAE6FFFAC84D3507F87D8953F84E" bold="true" box="[569,588,1942,1966]" pageId="18" pageNumber="19">A</emphasis>
. Habitat, base of waterfall in the Nian Ba gorge surrounded by subtropical evergreen forest.
<emphasis id="B974EAE6FFFAC84D366AF85D8A79F82E" bold="true" box="[340,358,1974,1998]" pageId="18" pageNumber="19">B</emphasis>
. Staminate inflorescence with marginal receptacle bracts, staminate flowers and anthers visible.
<emphasis id="B974EAE6FFFAC84D32BCF85D8E8AF82E" bold="true" box="[1410,1429,1974,1998]" pageId="18" pageNumber="19">C</emphasis>
. Pistillate inflorescence with marginal bracts and flower clusters visible.
<emphasis id="B974EAE6FFFAC84D34A9F83D8F93F80D" box="[919,1164,2006,2029]" italics="true" pageId="18" pageNumber="19">Monro, Wei &amp; Lu 6432</emphasis>
(Photo A.K. Monro).
</paragraph>
</caption>
<subSubSection id="C31A657FFFFBC84C37F8FF7C8871FF52" box="[198,878,151,178]" pageId="19" pageNumber="20" type="etymology">
<paragraph id="8BBF36F4FFFBC84C37F8FF7C8871FF52" blockId="19.[151,1436,151,294]" box="[198,878,151,178]" pageId="19" pageNumber="20">
<emphasis id="B974EAE6FFFBC84C37F8FF7C8A52FF51" bold="true" box="[198,333,151,177]" pageId="19" pageNumber="20">Etymology</emphasis>
:—after the collection locality: Nian Ba gorge.
</paragraph>
</subSubSection>
<subSubSection id="C31A657FFFFBC84C37F8FF558F39FBFD" pageId="19" pageNumber="20" type="discussion">
<paragraph id="8BBF36F4FFFBC84C37F8FF558840FEC6" blockId="19.[151,1436,151,294]" pageId="19" pageNumber="20">
<emphasis id="B974EAE6FFFBC84C37F8FF558A55FF38" bold="true" box="[198,330,190,216]" pageId="19" pageNumber="20">Discussion</emphasis>
:—
<taxonomicName id="4C004D77FFFBC84C3651FF548968FF38" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[367,631,191,216]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFFBC84C3651FF548968FF38" box="[367,631,191,216]" italics="true" pageId="19" pageNumber="20">Elatostema nianbense</emphasis>
</taxonomicName>
is most similar to
<taxonomicName id="4C004D77FFFBC84C3457FF548F9BFF38" authority="Wang (1980)" authorityName="Wang" authorityYear="1980" box="[873,1156,190,216]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="filipes">
<emphasis id="B974EAE6FFFBC84C3457FF5488C8FF38" box="[873,983,191,216]" italics="true" pageId="19" pageNumber="20">E. filipes</emphasis>
<bibRefCitation id="EF914B05FFFBC84C34DDFF558F9BFF38" author="Wang, W. T." box="[995,1156,190,216]" pageId="19" pageNumber="20" pagination="49 - 50" refId="ref10554" refString="Wang, W. T. (1980) Classificatio specierum Sinicarum Elatostematis (Urticaceae). Bulletin of Botanical Laboratory of North-Eastern Forestry Institute 7: 40 - 41, 49 - 50." type="journal article" year="1980">Wang (1980)</bibRefCitation>
</taxonomicName>
, from which it can be distinguished based on its sexual system, stems, leaves, staminate inflorescences and flowers, and pistillate inflorescence morphology as summarised in the table below:
</paragraph>
<paragraph id="8BBF36F4FFFBC84C37F8FD258F39FBFD" blockId="19.[151,1437,718,1053]" pageId="19" pageNumber="20">
<emphasis id="B974EAE6FFFBC84C37F8FD258AD3FD08" bold="true" box="[198,460,718,744]" pageId="19" pageNumber="20">Conservation status</emphasis>
:—A Global Conservation Assessment is presented here based on IUCN methodology (2001, version 3.1).
<taxonomicName id="4C004D77FFFBC84C350BFD1E8821FCEE" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[565,830,757,782]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFFBC84C350BFD1E8821FCEE" box="[565,830,757,782]" italics="true" pageId="19" pageNumber="20">Elatostema nianbense</emphasis>
</taxonomicName>
was found at a single locality (IUCN criteria D2) where a single population of ca 5001000 individuals was observed (IUCN criteria D1). Whilst the locality is isolated (a gorge) and the vegetation seems relatively undisturbed by human activities, it is close to a road and the vegetation above the southwestern face of the gorge from where the waterfall originates has been heavily deforested. Using the IUCN methodology our Global Conservation Assessment for
<taxonomicName id="4C004D77FFFBC84C33E8FC7B8E61FC49" authorityName="W. T. Wang, Y. G. Wei &amp; A. K. Monro" authorityYear="2011" box="[1238,1406,912,937]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="19" pageNumber="20" phylum="Tracheophyta" rank="species" species="nianbense">
<emphasis id="B974EAE6FFFBC84C33E8FC7B8E61FC49" box="[1238,1406,912,937]" italics="true" pageId="19" pageNumber="20">E. nianbense</emphasis>
</taxonomicName>
is
<emphasis id="B974EAE6FFFBC84C37A9FC5D8A78FC30" bold="true" box="[151,359,950,976]" pageId="19" pageNumber="20">Vulnerable (VU)</emphasis>
based on criteria D1 and D2: the restricted number of locations and small population size combined with a plausible future threat could drive this taxon to Critically Endangered or Extinct in a very short time. Future threats could include agriculture, mining and local tourism.
</paragraph>
</subSubSection>
</treatment>
</document>