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<mods:title id="A61ED30377DB1827E25D313BB0EFA18F">Begonia caryotarum (Begonia sect. Platycentrum), a new species from southeast Yunnan, China</mods:title>
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<mods:namePart id="7E4ACB51B9639ACF97FD581EAF243425">Dong, Wen-Ke</mods:namePart>
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<mods:namePart id="00FDA8D5CD75A03370579CC5CE470E30">Chen, Wen-Hong</mods:namePart>
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<mods:namePart id="615A03E7F91D2A1D41807ACDE23BC43A">Xiao, Bo</mods:namePart>
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<mods:namePart id="98EBA363DD3FE5AD6C5D62868A5399A5">Shui, Yu-Min</mods:namePart>
<mods:affiliation id="EDDED38F6910C907B6EEA64ED13F599C">CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China &amp; Karst Conservation Initiative of Yunnan, Kunming 650201, Yunnan, China</mods:affiliation>
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<emphasis id="2C97EAE0F37D653CFF33F8AFE0104F2F" bold="true" box="[136,374,1876,1902]" italics="true" pageId="0" pageNumber="113">Begonia caryotarum</emphasis>
Y.M.Shui et W.H.Chen
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, 
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, 
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&amp; 
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<emphasis id="2C97EAE0F37D653CFF33F85BE1BC4FF4" bold="true" box="[136,218,1952,1973]" pageId="0" pageNumber="113">Type:—</emphasis>
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. 
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: 
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and 
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, 
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, 
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, in rock crevices at the foot of limestone hills in 
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<emphasis id="2C97EAE0F37D653CFDFEF83FE3BD4F98" box="[581,731,1988,2009]" italics="true" pageId="0" pageNumber="113">Caryota obtusa</emphasis>
Griff.
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forests, elev. ca. 
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, cultivated at 
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, 5 
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in 2021, 
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. 
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., 
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<collectionCode id="78F2AE37F37D653CFE79F813E0A94FBC" box="[450,463,2024,2045]" country="South Africa" lsid="urn:lsid:biocol.org:col:14647" name="University of the Witwatersrand" pageId="0" pageNumber="113" type="Herbarium">J</collectionCode>
.X. et al. 
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(
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<collectionCode id="78F2AE37F37D653CFD4DF813E2564FBF" box="[758,816,2024,2046]" country="China" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15842" lsid="urn:lsid:biocol.org:col:15842" name="Kunming Institute of Botany, Chinese Academy of Sciences" pageId="0" pageNumber="113" type="Herbarium">KUN</collectionCode>
!) (
<figureCitation id="86D82A77F37D653CFCFCF813E2E74FBF" box="[839,897,2024,2046]" captionStart="FIGURE 3" captionStartId="4.[136,229,1726,1748]" captionTargetId="figure-29@4.[290,1298,190,1702]" captionTargetPageId="4" captionText="FIGURE 3. Holotype of Begonia caryotarum (KUN, series bar 1514641)." figureDoi="http://doi.org/10.5281/zenodo.5817180" httpUri="https://zenodo.org/record/5817180/files/figure.png" pageId="0" pageNumber="113">Fig. 3</figureCitation>
)
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.
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<emphasis id="2C97EAE0F37C653DFF33F885E0664FD2" bold="true" box="[136,256,1918,1940]" pageId="1" pageNumber="114">FIGURE 1.</emphasis>
Vegetative characters of 
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<emphasis id="2C97EAE0F37C653DFE42F884E3A74FD5" box="[505,705,1919,1940]" italics="true" pageId="1" pageNumber="114">Begonia caryotarum</emphasis>
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. A, habitat (arrows indicating three individuals); B, whole individuals; C, a green-leaved individual (arrow indicating a mature capsule); D, a white-spotted individual; E, rhizome and stipules (arrow indicating persistent stipules); F, adaxial view of brownish-red blade; G, abaxial view of brownish-red blade; H, adaxial view of green blade; I, abaxial view of green blade.
</paragraph>
</caption>
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<paragraph id="1E5C36F2F37F653EFF33F89CE4FD4FE0" blockId="2.[136,1452,1895,1953]" pageId="2" pageNumber="115">
<emphasis id="2C97EAE0F37F653EFF33F89CE19A4F3D" bold="true" box="[136,252,1895,1917]" pageId="2" pageNumber="115">FIGURE 2.</emphasis>
Reproductive characters of 
<taxonomicName id="D9E34D71F37F653EFDBEF89CE3AC4F3D" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[517,714,1895,1916]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="2" pageNumber="115" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F37F653EFDBEF89CE3AC4F3D" box="[517,714,1895,1916]" italics="true" pageId="2" pageNumber="115">Begonia caryotarum</emphasis>
</taxonomicName>
. A–B, inflorescences; C, male and female flowers; D–E, staminate flower and its androecium; F–H, pistillate flower and its style and stigma; I–J, immature fruits; K–M, cross sections of ovaries from top to bottom.
</paragraph>
</caption>
<subSubSection id="56F96579F37E653FFF33FF65E0894908" pageId="3" pageNumber="116" type="diagnosis">
<paragraph id="1E5C36F2F37E653FFF33FF65E0894908" blockId="3.[136,1451,158,329]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF33FF65E06348F9" bold="true" box="[136,261,158,184]" pageId="3" pageNumber="116">Diagnosis:</emphasis>
—The new species is most similar to 
<taxonomicName id="D9E34D71F37E653FFD78FF64E50A48F9" authority="S. H. Huang (1999: 21)" authorityName="S. H. Huang" authorityPageNumber="21" authorityYear="1999" box="[707,1132,158,184]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="hekouensis">
<emphasis id="2C97EAE0F37E653FFD78FF64E20748F9" box="[707,865,158,184]" italics="true" pageId="3" pageNumber="116">B. hekouensis</emphasis>
S.H.Huang (1999: 21)
</taxonomicName>
in having the same petiole indumentum, flower tepal number, placentation structure, and ovary shape and color, but differs mainly in its apex of leaf blade acute (vs. acuminate), tepal pinkish- to orangish-red (vs. orangish-red), larger tepals in the staminate flower (
<tableCitation id="53610349F37E653FFF34FEF1E1844965" box="[143,226,266,292]" captionStart="TABLE 1" captionStartId="3.[136,224,376,400]" captionTargetPageId="3" captionText="TABLE 1. Comparison of Begonia caryotarum and B. hekouensis." httpUri="http://table.plazi.org/id/4A9C667AF37E653FFF33FE83E23749CE" pageId="3" pageNumber="116" tableUuid="4A9C667AF37E653FFF33FE83E23749CE">Table 1</tableCitation>
), anther connectives slightly extended (vs. obvious extended) (
<bibRefCitation id="7A724B03F37E653FFC1AFEF1E5304965" author="Shui, Y. M. &amp; Chen, W. H." box="[929,1110,266,292]" pageId="3" pageNumber="116" refId="ref2659" refString="Shui, Y. M. &amp; Chen, W. H. (2017) Begonia of China. Yunnan Science &amp; Technology Press, Kunming, 285 pp." type="book" year="2017">
Shui 
<emphasis id="2C97EAE0F37E653FFC67FEF0E5724965" box="[988,1044,266,292]" italics="true" pageId="3" pageNumber="116">et al.</emphasis>
2017
</bibRefCitation>
), and stigma once spiraled (vs. twice spiraled and convoluted).
</paragraph>
</subSubSection>
<caption id="4A9C667AF37E653FFF33FE83E23749CE" ID-Table-UUID="4A9C667AF37E653FFF33FE83E23749CE" box="[136,849,376,400]" httpUri="http://table.plazi.org/id/4A9C667AF37E653FFF33FE83E23749CE" pageId="3" pageNumber="116" startId="3.[136,224,376,400]" targetBox="[144,1395,413,834]" targetIsTable="true" targetPageId="3">
<paragraph id="1E5C36F2F37E653FFF33FE83E23749CE" blockId="3.[136,849,376,400]" box="[136,849,376,400]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF33FE83E19D49D1" bold="true" box="[136,251,376,400]" pageId="3" pageNumber="116">TABLE 1.</emphasis>
Comparison of 
<taxonomicName id="D9E34D71F37E653FFE13FE82E3E549D1" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[424,643,377,400]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F37E653FFE13FE82E3E549D1" box="[424,643,377,400]" italics="true" pageId="3" pageNumber="116">Begonia caryotarum</emphasis>
</taxonomicName>
and 
<taxonomicName id="D9E34D71F37E653FFD03FE82E22C49D1" authorityName="S. H. Huang" authorityYear="1999" box="[696,842,376,400]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="hekouensis">
<emphasis id="2C97EAE0F37E653FFD03FE82E22C49D1" box="[696,842,376,400]" italics="true" pageId="3" pageNumber="116">B. hekouensis</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<paragraph id="1E5C36F2F37E653FFE2BFE66E5684B00" pageId="3" pageNumber="116">
<table id="6CE3C452F37E9AC3FF2BFE66E4154B03" box="[144,1395,413,834]" gridcols="3" gridrows="6" pageId="3" pageNumber="116">
<tr id="A0D334B0F37E9AC3FF2BFE66E41549F2" box="[144,1395,413,435]" gridrow="0" pageId="3" pageNumber="116" rowspan-0="1">
<th id="E3025DCCF37E9AC3FE2BFE66E2E649F2" box="[400,896,413,435]" gridcol="1" gridrow="0" pageId="3" pageNumber="116">
<taxonomicName id="D9E34D71F37E653FFE2BFE66E37949F3" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[400,543,413,434]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F37E653FFE2BFE66E37949F3" bold="true" box="[400,543,413,434]" italics="true" pageId="3" pageNumber="116">B. caryotarum</emphasis>
</taxonomicName>
</th>
<th id="E3025DCCF37E9AC3FC1AFE66E41549F2" box="[929,1395,413,435]" gridcol="2" gridrow="0" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFC1AFE66E54A49F2" bold="true" box="[929,1068,413,435]" italics="true" pageId="3" pageNumber="116">B. hekouensis</emphasis>
</th>
</tr>
<tr id="A0D334B0F37E9AC3FF2BFE30E41549A0" box="[144,1395,459,481]" gridrow="1" pageId="3" pageNumber="116">
<th id="E3025DCCF37E9AC3FF2BFE30E05349A0" box="[144,309,459,481]" gridcol="0" gridrow="1" pageId="3" pageNumber="116">Leaf blade</th>
<td id="E3025DCCF37E9AC3FE2BFE30E2E649A0" box="[400,896,459,481]" gridcol="1" gridrow="1" pageId="3" pageNumber="116">apex acute, adaxially often with white patches</td>
<td id="E3025DCCF37E9AC3FC1AFE30E41549A0" box="[929,1395,459,481]" gridcol="2" gridrow="1" pageId="3" pageNumber="116">apex acuminate, adaxially without white patches</td>
</tr>
<tr id="A0D334B0F37E9AC3FF2BFE03E4154A4F" box="[144,1395,504,526]" gridrow="2" pageId="3" pageNumber="116">
<th id="E3025DCCF37E9AC3FF2BFE03E0534A4F" box="[144,309,504,526]" gridcol="0" gridrow="2" pageId="3" pageNumber="116">Flower colors</th>
<td id="E3025DCCF37E9AC3FE2BFE03E2E64A4F" box="[400,896,504,526]" gridcol="1" gridrow="2" pageId="3" pageNumber="116">pinkish- to orangish-red</td>
<td id="E3025DCCF37E9AC3FC1AFE03E4154A4F" box="[929,1395,504,526]" gridcol="2" gridrow="2" pageId="3" pageNumber="116">orangish-red</td>
</tr>
<tr id="A0D334B0F37E9AC3FF2BFDDEE4154A3E" box="[144,1395,549,639]" gridrow="3" pageId="3" pageNumber="116">
<th id="E3025DCCF37E9AC3FF2BFDDEE0534A3E" box="[144,309,549,639]" gridcol="0" gridrow="3" pageId="3" pageNumber="116">Staminate flower outer tepals inner tepals</th>
<td id="E3025DCCF37E9AC3FE2BFDDEE2E64A3E" box="[400,896,549,639]" gridcol="1" gridrow="3" pageId="3" pageNumber="116">15–18 × 14–16 mm 10–16 × 5–10 mm</td>
<td id="E3025DCCF37E9AC3FC1AFDDEE4154A3E" box="[929,1395,549,639]" gridcol="2" gridrow="3" pageId="3" pageNumber="116">ca. 13 × 8 mm ca. 8 × 5 mm</td>
</tr>
<tr id="A0D334B0F37E9AC3FF2BFD6DE4154AED" box="[144,1395,662,684]" gridrow="4" pageId="3" pageNumber="116">
<th id="E3025DCCF37E9AC3FF2BFD6DE0534AED" box="[144,309,662,684]" gridcol="0" gridrow="4" pageId="3" pageNumber="116">connectives</th>
<td id="E3025DCCF37E9AC3FE2BFD6DE2E64AED" box="[400,896,662,684]" gridcol="1" gridrow="4" pageId="3" pageNumber="116">slightly extended</td>
<td id="E3025DCCF37E9AC3FC1AFD6DE4154AED" box="[929,1395,662,684]" gridcol="2" gridrow="4" pageId="3" pageNumber="116">obviously extended</td>
</tr>
<tr id="A0D334B0F37E9AC3FF2BFD3FE4154B03" box="[144,1395,708,834]" gridrow="5" pageId="3" pageNumber="116">
<th id="E3025DCCF37E9AC3FF2BFD3FE0534B03" box="[144,309,708,834]" gridcol="0" gridrow="5" pageId="3" pageNumber="116">Pistillate flower tepal stigmatic band Elevation</th>
<td id="E3025DCCF37E9AC3FE2BFD3FE2E64B03" box="[400,896,708,834]" gridcol="1" gridrow="5" pageId="3" pageNumber="116">outer surface of the innermost tepal sparsely villous once spiraled 700–900 m</td>
<td id="E3025DCCF37E9AC3FC1AFD3FE4154B03" box="[929,1395,708,834]" gridcol="2" gridrow="5" pageId="3" pageNumber="116">outer surface of all tepals villous twice spiraled, convoluted 200–500 m</td>
</tr>
</table>
</paragraph>
<subSubSection id="56F96579F37E653FFF06FC96E0B14EA6" pageId="3" pageNumber="116" type="description">
<paragraph id="1E5C36F2F37E653FFF06FC96E0B14EA6" blockId="3.[136,1452,877,2092]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF06FC96E0374BC6" bold="true" box="[189,337,877,903]" pageId="3" pageNumber="116">Description:</emphasis>
—Herb, monoecious, perennial, 
<quantity id="D91B9B17F37E653FFD01FC95E24E4BC9" box="[698,808,878,904]" metricMagnitude="-1" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="3" pageNumber="116" unit="cm" value="30.0" valueMax="40.0" valueMin="20.0">20–40 cm</quantity>
tall. 
<emphasis id="2C97EAE0F37E653FFCE5FC96E2B54BC6" bold="true" box="[862,979,877,903]" pageId="3" pageNumber="116">Rhizomes</emphasis>
creeping, well-branched, hispid, 
<quantity id="D91B9B17F37E653FFAF9FC96E4CA4BC9" box="[1346,1452,877,904]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="7.5" valueMax="10.0" valueMin="5.0">5–10 mm</quantity>
thick, internodes 
<quantity id="D91B9B17F37E653FFEF0FC6AE0D04BED" box="[331,438,913,940]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="2.2" metricValueMin="0.5" pageId="3" pageNumber="116" unit="mm" value="13.5" valueMax="22.0" valueMin="5.0">5–22 mm</quantity>
long. 
<emphasis id="2C97EAE0F37E653FFE45FC69E3364BED" bold="true" box="[510,592,914,940]" pageId="3" pageNumber="116">Leaves</emphasis>
simple, alternate; stipules persistent on rhizomes and erect flowering stems, red, sheath-like, triangular after being pressed, 7–11 × 
<quantity id="D91B9B17F37E653FFCBEFC4EE2014B91" box="[773,871,949,976]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="3" pageNumber="116" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">4–5 mm</quantity>
, entire, adaxially glabrous, abaxially villous, apex acuminate with 
<quantity id="D91B9B17F37E653FFE81FC22E0F14BB5" box="[314,407,985,1012]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5–6 mm</quantity>
aristate setae; petiole light green to purplish-red, fleshy, 
<quantity id="D91B9B17F37E653FFBAAFC21E5174BB5" box="[1041,1137,986,1012]" metricMagnitude="-1" metricUnit="m" metricValue="1.45" metricValueMax="2.2" metricValueMin="0.7" pageId="3" pageNumber="116" unit="cm" value="14.5" valueMax="22.0" valueMin="7.0">7–22 cm</quantity>
long, densely villous; blade basifixed, asymmetric, ovate, papery, 11–16 × 
<quantity id="D91B9B17F37E653FFD35FC05E3974C59" box="[654,753,1022,1048]" metricMagnitude="-1" metricUnit="m" metricValue="1.15" metricValueMax="1.4" metricValueMin="0.9" pageId="3" pageNumber="116" unit="cm" value="11.5" valueMax="14.0" valueMin="9.0">9–14 cm</quantity>
, adaxially with sparse 
<quantity id="D91B9B17F37E653FFC57FC06E52E4C59" box="[1004,1096,1021,1048]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5–6 mm</quantity>
aristate setae, base cordate with lobes overlapping or not, margin sinuate-crenate and ciliate, apex acute, venation palmate-pinnate, 6–8 primary veins, slightly impressed above and prominent beneath, adaxially green to brownish-red, glabrous, sometimes with silver spots and blotches, abaxially light green to purplish-red, densely villous on veins and veinlets. 
<emphasis id="2C97EAE0F37E653FFB1DFB92E4294CC2" bold="true" box="[1190,1359,1129,1155]" pageId="3" pageNumber="116">Inflorescences</emphasis>
axillary on a short erect stem with one internode, dichasially cymose, 
<quantity id="D91B9B17F37E653FFCFDFB75E2CE4CE9" box="[838,936,1166,1192]" metricMagnitude="-1" metricUnit="m" metricValue="1.6" metricValueMax="2.4" metricValueMin="0.8" pageId="3" pageNumber="116" unit="cm" value="16.0" valueMax="24.0" valueMin="8.0">8–24 cm</quantity>
long; peduncles light green to reddish-green, villous, 
<quantity id="D91B9B17F37E653FFF5DFB49E02C4C8D" box="[230,330,1202,1228]" metricMagnitude="-1" metricUnit="m" metricValue="1.25" metricValueMax="2.1" metricValueMin="0.4" pageId="3" pageNumber="116" unit="cm" value="12.5" valueMax="21.0" valueMin="4.0">4–21 cm</quantity>
long; bracts caducous, greyish-green, 8–9 × 
<quantity id="D91B9B17F37E653FFCE2FB4AE2DA4C8D" box="[857,956,1201,1228]" metricMagnitude="-3" metricUnit="m" metricValue="5.5" metricValueMax="6.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="5.5" valueMax="6.0" valueMin="5.0">5–6 mm</quantity>
, triangular, apex acuminate, margin entire, adaxially glabrous, abaxially with red short villous hairs; bractlets persistent, membranous, greyish-green, sparsely villous, oblong, 3–5 × 
<quantity id="D91B9B17F37E653FFE30FB02E08A4D55" box="[395,492,1273,1300]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="6.0" valueMax="7.0" valueMin="5.0">5–7 mm</quantity>
, apex acuminate, margin ciliate. 
<emphasis id="2C97EAE0F37E653FFCD8FB02E55A4D52" bold="true" box="[867,1084,1273,1299]" pageId="3" pageNumber="116">Staminate flowers</emphasis>
: pedicels light to reddish-green, 
<quantity id="D91B9B17F37E653FFF33FAE5E0654D79" box="[136,259,1310,1336]" metricMagnitude="-2" metricUnit="m" metricValue="2.05" metricValueMax="2.3" metricValueMin="1.8" pageId="3" pageNumber="116" unit="mm" value="20.5" valueMax="23.0" valueMin="18.0">18–23 mm</quantity>
long, villous; tepals 4, outer pair larger, broadly-ovate, outer surface pinkish- to orange-red, protuberant in the middle with dense red villous hairs, sparsely villous elsewhere, inner surface pinkish-red, glabrous, 13–18 × 
<quantity id="D91B9B17F37E653FFF1AFA9EE07B4DC1" box="[161,285,1381,1408]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.6" metricValueMin="1.1" pageId="3" pageNumber="116" unit="mm" value="13.5" valueMax="16.0" valueMin="11.0">11–16 mm</quantity>
, apex obtuse to rounded, margin entire, inner pair elliptic, pink to light pink, glabrous, 10–16 × 
<quantity id="D91B9B17F37E653FFAC8FA9EE1D04DE5" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="3" pageNumber="116" unit="mm" value="7.5" valueMax="10.0" valueMin="5.0">5–10 mm</quantity>
, apex obtuse to rounded, margin entire; androecium actinomorphic, ca. 
<quantity id="D91B9B17F37E653FFC41FA72E5584DE5" box="[1018,1086,1417,1444]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="3" pageNumber="116" unit="mm" value="5.0">5 mm</quantity>
across; stamens orange-yellow, 80–120; filaments fused on a short stalk; anthers obovate, ca. 1.2 mm long, dehiscing by longitudinal slits, connectives slightly extended. 
<emphasis id="2C97EAE0F37E653FFEEDFA2AE37A4DAA" bold="true" box="[342,540,1489,1515]" pageId="3" pageNumber="116">Pistillate flowers</emphasis>
: pedicels light to reddish-green, 
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long, villous; tepals 5, broadly ovate, outer 2 ovate, outer surface pinkish- to orange-red, sparsely villous, inner surface glabrous, 10–12 × 
<quantity id="D91B9B17F37E653FFB47FA0DE40C4E51" box="[1276,1386,1526,1552]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="10.0" metricValueMin="8.0" pageId="3" pageNumber="116" unit="mm" value="9.0" valueMax="10.0" valueMin="8.0">8–10 mm</quantity>
, apex acuminate, margin entire, inner 3 broadly elliptic, outer surface pink glabrous or sparsely villous, inner surface pink to light pink, glabrous, 10–17 × 
<quantity id="D91B9B17F37E653FFE49F9C5E3394E19" box="[498,607,1598,1624]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="3" pageNumber="116" unit="mm" value="8.5" valueMax="10.0" valueMin="7.0">7–10 mm</quantity>
, apex obtuse to rounded, margin entire; styles 2, shortly fused at base, light orangish-yellow, stigmas bilobed and once spiraled; ovary orange, villous, 13–15 × 
<quantity id="D91B9B17F37E653FFB94F999E5CC4E3D" box="[1071,1194,1634,1660]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="3" pageNumber="116" unit="mm" value="11.0" valueMax="12.0" valueMin="10.0">10–12 mm</quantity>
, with 3 unequal wings, dorsal wing ca. 
<quantity id="D91B9B17F37E653FFE82F97DE01F4EE1" box="[313,377,1670,1696]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="3" pageNumber="116" unit="mm" value="9.0">9 mm</quantity>
wide, lateral wings ca. 1.5 mm wide, 2-locular, placentation axile, with 2-branched placenta per locule. 
<emphasis id="2C97EAE0F37E653FFF67F952E0434E82" bold="true" box="[220,293,1705,1731]" pageId="3" pageNumber="116">Fruits</emphasis>
capsular, pendent, brownish-red, brown when dry, villous, dorsal wing triangular-rounded, ca. 
<quantity id="D91B9B17F37E653FFAE7F952E4CA4E85" box="[1372,1452,1705,1732]" metricMagnitude="-2" metricUnit="m" metricValue="1.6" pageId="3" pageNumber="116" unit="mm" value="16.0">16 mm</quantity>
long, lateral wings very short.
</paragraph>
</subSubSection>
<subSubSection id="56F96579F37E653FFF06F909E4244F6E" pageId="3" pageNumber="116" type="etymology">
<paragraph id="1E5C36F2F37E653FFF06F909E4E04F4A" blockId="3.[136,1452,877,2092]" box="[189,1414,1777,1804]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF06F909E02E4F4D" bold="true" box="[189,328,1778,1804]" pageId="3" pageNumber="116">Etymology:</emphasis>
—The specific epithet refers to the habitat of the species which occurs in 
<taxonomicName id="D9E34D71F37E653FFBC4F909E44B4F4A" box="[1151,1325,1777,1804]" class="Liliopsida" family="Arecaceae" genus="Caryota" kingdom="Plantae" order="Arecales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="obtusa">
<emphasis id="2C97EAE0F37E653FFBC4F909E44B4F4A" box="[1151,1325,1777,1804]" italics="true" pageId="3" pageNumber="116">Caryota obtusa</emphasis>
</taxonomicName>
forests.
</paragraph>
<paragraph id="1E5C36F2F37E653FFF06F8EDE4244F6E" blockId="3.[136,1452,877,2092]" box="[189,1346,1813,1840]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF06F8EDE0254F71" bold="true" box="[189,323,1814,1840]" pageId="3" pageNumber="116">Phenology:</emphasis>
—Flowering was observed from July to August. Fruiting starts from September to October.
</paragraph>
</subSubSection>
<subSubSection id="56F96579F37E6538FF06F8C2E4F14058" lastPageId="4" lastPageNumber="117" pageId="3" pageNumber="116" type="distribution">
<paragraph id="1E5C36F2F37E653FFF06F8C2E3474FDA" blockId="3.[136,1452,877,2092]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF06F8C2E0894F12" bold="true" box="[189,495,1849,1876]" pageId="3" pageNumber="116">Distribution and habitat:</emphasis>
—The new species grows in rock crevices at the foot of limestone hills in 
<taxonomicName id="D9E34D71F37E653FFAEBF8C1E1B54F36" class="Liliopsida" family="Arecaceae" genus="Caryota" kingdom="Plantae" order="Arecales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="obtusa">
<emphasis id="2C97EAE0F37E653FFAEBF8C1E1B54F36" italics="true" pageId="3" pageNumber="116">Caryota obtusa</emphasis>
</taxonomicName>
forests at elev. 
<quantity id="D91B9B17F37E653FFEC7F8A5E09A4F39" box="[380,508,1886,1912]" metricMagnitude="2" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="3" pageNumber="116" unit="m" value="800.0" valueMax="900.0" valueMin="700.0">700–900 m</quantity>
, in Babu Babu Community, Malipo County, Wenshan Zhuang and Miao Autonomous Prefecture, 
<collectingRegion id="DC27F810F37E653FFEB3F879E0AD4FDA" box="[264,459,1921,1948]" country="China" name="Yunnan" pageId="3" pageNumber="116">Yunnan Province</collectingRegion>
, 
<collectingCountry id="66F47662F37E653FFE6DF87AE37B4FDA" box="[470,541,1921,1947]" name="China" pageId="3" pageNumber="116">China</collectingCountry>
.
</paragraph>
<paragraph id="1E5C36F2F37E653FFF06F85EE345406D" blockId="3.[136,1452,877,2092]" pageId="3" pageNumber="116">
<emphasis id="2C97EAE0F37E653FFF06F85EE34D4FFE" bold="true" box="[189,555,1957,1983]" pageId="3" pageNumber="116">
Additional specimens: 
<collectingCountry id="66F47662F37E653FFE75F85EE34D4FFE" box="[462,555,1957,1983]" name="China" pageId="3" pageNumber="116">CHINA</collectingCountry>
</emphasis>
. 
<collectingRegion id="DC27F810F37E653FFD83F85DE39B4FFE" box="[568,765,1957,1984]" country="China" name="Yunnan" pageId="3" pageNumber="116">Yunnan Province</collectingRegion>
: Wenshan Zhuang and Miao Autonomous Prefecture, Malipo County, Babu Community, in rock crevices of limestone hill foot in 
<taxonomicName id="D9E34D71F37E653FFC3FF831E5574FA2" box="[900,1073,1993,2020]" class="Liliopsida" family="Arecaceae" genus="Caryota" kingdom="Plantae" order="Arecales" pageId="3" pageNumber="116" phylum="Tracheophyta" rank="species" species="obtusa">
<emphasis id="2C97EAE0F37E653FFC3FF831E5574FA2" box="[900,1073,1993,2020]" italics="true" pageId="3" pageNumber="116">Caryota obtusa</emphasis>
</taxonomicName>
forest, elev. ca. 
<quantity id="D91B9B17F37E653FFB53F831E4574FA5" box="[1256,1329,1994,2020]" metricMagnitude="2" metricUnit="m" metricValue="9.0" pageId="3" pageNumber="116" unit="m" value="900.0">900 m</quantity>
, cultivated in Kunming Botanical Garden of CAS, July 
<quantity id="D91B9B17F37E653FFDCDF815E3C94046" box="[630,687,2029,2056]" metricMagnitude="-1" metricUnit="m" metricValue="6.096" pageId="3" pageNumber="116" unit="in" value="24.0">24 in</quantity>
2020, 
<emphasis id="2C97EAE0F37E653FFD40F816E51B4049" box="[763,1149,2029,2056]" italics="true" pageId="3" pageNumber="116">Shui Y.M., Li J.X. et al. B2020-009</emphasis>
(KUN). The same locality, 18 July in 2021, 
<emphasis id="2C97EAE0F37E653FFEFFF7E9E0A3406A" box="[324,453,2066,2091]" italics="true" pageId="3" pageNumber="116">Xiao B. s.n.</emphasis>
(KUN).
</paragraph>
<caption id="4A9C667AF3796538FF33F945E2334E95" ID-DOI="http://doi.org/10.5281/zenodo.5817180" ID-Zenodo-Dep="5817180" box="[136,853,1726,1748]" httpUri="https://zenodo.org/record/5817180/files/figure.png" pageId="4" pageNumber="117" startId="4.[136,229,1726,1748]" targetBox="[291,1298,190,1702]" targetPageId="4">
<paragraph id="1E5C36F2F3796538FF33F945E2334E95" blockId="4.[136,853,1726,1748]" box="[136,853,1726,1748]" pageId="4" pageNumber="117">
<emphasis id="2C97EAE0F3796538FF33F945E1984E92" bold="true" box="[136,254,1726,1748]" pageId="4" pageNumber="117">FIGURE 3.</emphasis>
Holotype of 
<taxonomicName id="D9E34D71F3796538FEC6F944E3254E95" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[381,579,1727,1748]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="117" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F3796538FEC6F944E3254E95" box="[381,579,1727,1748]" italics="true" pageId="4" pageNumber="117">Begonia caryotarum</emphasis>
</taxonomicName>
(KUN, series bar 1514641).
</paragraph>
</caption>
<paragraph id="1E5C36F2F3796538FF06F8F9E2B84FC8" blockId="4.[136,1452,1794,2073]" pageId="4" pageNumber="117">
<emphasis id="2C97EAE0F3796538FF06F8F9E0D34F5C" bold="true" box="[189,437,1794,1821]" pageId="4" pageNumber="117">Conservation status:</emphasis>
— 
<materialsCitation id="AE8B3CAFF3796538FE69F8F9E2BC4FC8" ID-GBIF-Occurrence="3424511302" collectionCode="CR, IUCN" country="China" county="Critically Endangered" location="Only" municipality="Hence" pageId="4" pageNumber="117" specimenCode="B2, C2" specimenCount="1">
<location id="1B3C6029F3796538FE69F8F9E36F4F5D" LSID="urn:lsid:plazi:treatment:964A87E4F37D6538FF33F8AFE4F14058:1B3C6029F3796538FE69F8F9E36F4F5D" box="[466,521,1794,1820]" country="China" county="Critically Endangered" municipality="Hence" name="Only" pageId="4" pageNumber="117">Only</location>
one small-sized population with ca. 30 mature individuals of 
<taxonomicName id="D9E34D71F3796538FB7FF8F8E4CA4F5D" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[1220,1452,1795,1820]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="117" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F3796538FB7FF8F8E4CA4F5D" box="[1220,1452,1795,1820]" italics="true" pageId="4" pageNumber="117">Begonia caryotarum</emphasis>
</taxonomicName>
was observed in the 
<typeStatus id="C1588850F3796538FED1F8DCE0FC4F00" box="[362,410,1831,1857]" pageId="4" pageNumber="117">type</typeStatus>
locality of ca. 
<quantity id="D91B9B17F3796538FD85F8DCE3104F01" box="[574,630,1830,1857]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="4" pageNumber="117" unit="km" value="1.0">1 km</quantity>
<superScript id="E9969BBAF3796538FDCDF8DDE3184F75" attach="left" box="[630,638,1830,1844]" fontSize="6" pageId="4" pageNumber="117">2</superScript>
area. 
<location id="1B3C6029F3796538FD04F8DDE38D4F01" LSID="urn:lsid:plazi:treatment:964A87E4F37D6538FF33F8AFE4F14058:1B3C6029F3796538FD04F8DDE38D4F01" box="[703,747,1830,1856]" country="China" county="Critically Endangered" municipality="Hence" name="The" pageId="4" pageNumber="117">The</location>
habitat is being severely damaged due to the construction of an international road between 
<collectingCountry id="66F47662F3796538FE00F8B1E0984F25" box="[443,510,1866,1892]" name="China" pageId="4" pageNumber="117">China</collectingCountry>
and 
<collectingCountry id="66F47662F3796538FD8EF8B1E3FE4F25" box="[565,664,1866,1892]" name="Vietnam" pageId="4" pageNumber="117">Vietnam</collectingCountry>
. 
<collectingMunicipality id="FE38AC88F3796538FD19F8B0E38C4F24" box="[674,746,1867,1893]" pageId="4" pageNumber="117">Hence</collectingMunicipality>
this species is categorized as 
<collectingCounty id="F73D4E7EF3796538FB80F8B1E4554F25" box="[1083,1331,1866,1892]" pageId="4" pageNumber="117">Critically Endangered</collectingCounty>
[
<collectionCode id="78F2AE37F3796538FAFAF8B0E40F4F24" box="[1345,1385,1867,1893]" country="Costa Rica" lsid="urn:lsid:biocol.org:col:15652" name="Museo Nacional de Costa Rica" pageId="4" pageNumber="117" type="Herbarium">CR</collectionCode>
<specimenCode id="4E459E89F3796538FACBF8B1E4F64F25" box="[1392,1424,1866,1892]" collectionCode="B" country="Germany" lsid="urn:lsid:biocol.org:col:15534" name="Botanischer Garten und Botanisches Museum Berlin-Dahlem, Zentraleinrichtung der Freien Universitaet" pageId="4" pageNumber="117" type="Herbarium">B2</specimenCode>
ab (ii, iv), 
<specimenCode id="4E459E89F3796538FF67F894E19B4FC8" box="[220,253,1903,1929]" collectionCode="C" country="Denmark" name="University of Copenhagen" pageId="4" pageNumber="117" type="Herbarium">C2</specimenCode>
a (i)] according to the 
<collectionCode id="78F2AE37F3796538FE4DF894E35C4FC8" box="[502,570,1903,1929]" pageId="4" pageNumber="117">IUCN</collectionCode>
categories and criteria (
<bibRefCitation id="7A724B03F3796538FCFCF894E2B44FC8" author="IUCN Standards &amp; Petitions Subcommittee" box="[839,978,1903,1929]" pageId="4" pageNumber="117" refId="ref2262" refString="IUCN Standards and Petitions Subcommittee (2019) Guidelines for Using the IUCN Red List Categories and Criteria, Version 14. Prepared by the Standards and Petitions Subcommittee. Available from: https: // www. iucnredlist. org / resources / redlistguidelines (accessed 11 November 2021)" type="url" year="2019">IUCN 2019</bibRefCitation>
)
</materialsCitation>
.
</paragraph>
<paragraph id="1E5C36F2F3796538FF06F868E4F14058" blockId="4.[136,1452,1794,2073]" pageId="4" pageNumber="117">
<emphasis id="2C97EAE0F3796538FF06F868E06F4FEC" bold="true" box="[189,265,1939,1965]" pageId="4" pageNumber="117">Notes:</emphasis>
— 
<taxonomicName id="D9E34D71F3796538FE9DF868E3694FED" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[294,527,1939,1964]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="117" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F3796538FE9DF868E3694FED" box="[294,527,1939,1964]" italics="true" pageId="4" pageNumber="117">Begonia caryotarum</emphasis>
</taxonomicName>
and its most similar species 
<taxonomicName id="D9E34D71F3796538FCE1F868E2904FED" box="[858,1014,1938,1964]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="117" phylum="Tracheophyta" rank="species" species="hekouensis">
<emphasis id="2C97EAE0F3796538FCE1F868E2904FED" box="[858,1014,1938,1964]" italics="true" pageId="4" pageNumber="117">B. hekouensis</emphasis>
</taxonomicName>
both occur in limestone hill forests in southeast 
<collectingRegion id="DC27F810F3796538FF4CF84CE0364F90" box="[247,336,1975,2001]" country="China" name="Yunnan" pageId="4" pageNumber="117">Yunnan</collectingRegion>
, 
<collectingCountry id="66F47662F3796538FEE0F84DE0C44F91" box="[347,418,1974,2000]" name="China" pageId="4" pageNumber="117">China</collectingCountry>
. In 
<date id="6A5D1032F3796538FE70F84DE3E54F90" box="[459,643,1974,2001]" pageId="4" pageNumber="117" value="2003-11">November 2003</date>
, the pedlar of the new species plants told the second author that it came from N. 
<collectingCountry id="66F47662F3796538FF53F821E0214FB5" box="[232,327,2010,2036]" name="Vietnam" pageId="4" pageNumber="117">Vietnam</collectingCountry>
near the China-Vietnam boundary, hence it is probable 
<taxonomicName id="D9E34D71F3796538FC06F820E5394FB5" authorityName="Y. M. Shui et W. H. Chen" authorityYear="2021" box="[957,1119,2011,2036]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="117" phylum="Tracheophyta" rank="species" species="caryotarum">
<emphasis id="2C97EAE0F3796538FC06F820E5394FB5" box="[957,1119,2011,2036]" italics="true" pageId="4" pageNumber="117">B. caryotarum</emphasis>
</taxonomicName>
also occurs in N. 
<collectingCountry id="66F47662F3796538FA90F821E4E84FB5" box="[1323,1422,2010,2036]" name="Vietnam" pageId="4" pageNumber="117">Vietnam</collectingCountry>
. If confirmation of the occurence of the species in 
<collectingCountry id="66F47662F3796538FD20F805E39C4059" box="[667,762,2046,2072]" name="Vietnam" pageId="4" pageNumber="117">Vietnam</collectingCountry>
is obtained, it may be necessary to update the IUCN status.
</paragraph>
</subSubSection>
</treatment>
</document>