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<document id="81AD1A4E9FD1C5A447D39A44F04179A8" ID-DOI="10.11646/phytotaxa.510.3.6" ID-ISSN="1179-3163" ID-Zenodo-Dep="5426458" IM.illustrations_approvedBy="guilherme" IM.materialsCitations_approvedBy="guilherme" IM.metadata_approvedBy="guilherme" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" IM.treatments_approvedBy="guilherme" checkinTime="1630397723814" checkinUser="marcus" docAuthor="Hoang, Thanh Son &amp; Lin, Che-Wei" docDate="2021" docId="483A879FFFA0FF80FF2D26E4FE4311C7" docLanguage="en" docName="phytotaxa.510.3.6.pdf" docOrigin="Phytotaxa 510 (3)" docSource="http://dx.doi.org/10.11646/phytotaxa.510.3.6" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Begonia lophura T. S. Hoang &amp; C. W. Lin 2021, sp. nov." docType="treatment" docVersion="1" lastPageNumber="273" masterDocId="B403FFE7FFA5FF8AFFA5217FFFA1124F" masterDocTitle="Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura" masterLastPageNumber="274" masterPageNumber="263" pageNumber="268" updateTime="1732198719410" updateUser="guilherme" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="B7DF7105F9AE518320F2EC31359E7664">Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura</mods:title>
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<mods:namePart id="8405583ABBA8A7EE0254D3502A52FB7F">Hoang, Thanh Son</mods:namePart>
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<mods:namePart id="830E3890F3D85B811E62A2CB24FEB3F5">Lin, Che-Wei</mods:namePart>
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<mods:date id="86E99A2A7FA53676B568AE9A6BFF8336">2021</mods:date>
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<emphasis id="F2E7EA9BFFA0FF8FFF2D26E4FF3C15FA" bold="true" box="[136,157,1947,1973]" pageId="5" pageNumber="268">2.</emphasis>
<taxonomicName id="07934D0AFFA0FF8FFF0026E3FDD015F9" ID-CoL="8SLDQ" authority="T.S.Hoang &amp; C.W.Lin" authorityName="T. S. Hoang &amp; C. W. Lin" authorityYear="2021" box="[165,625,1947,1974]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="lophura" status="sp. nov.">
<emphasis id="F2E7EA9BFFA0FF8FFF0026E3FECB15F9" bold="true" box="[165,362,1947,1974]" italics="true" pageId="5" pageNumber="268">Begonia lophura</emphasis>
T.S.Hoang &amp; C.W.Lin
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,
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<emphasis id="F2E7EA9BFFA0FF8FFD4A26E3FCE315F9" bold="true" box="[751,834,1948,1974]" pageId="5" pageNumber="268">TYPE:</emphasis>
<materialsCitation id="70FB3CD4FFA0FF8FFCEF26E3FACE15B1" collectingDate="2017-08-12" collectionCode="VAFS" collectorName="Hoang Son" country="Vietnam" elevation="565" latitude="15.127403" location="Tra Bui Commune" longLatPrecision="1" longitude="108.31263" municipality="Tra Bong District" pageId="5" pageNumber="268" specimenCount="1" stateProvince="Quang Ngai Province" typeStatus="holotype">
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.
<collectingRegion id="0257F86BFFA0FF8FFC7F26E3FB7315F9" box="[986,1234,1948,1974]" country="Vietnam" name="Quang Ngai" pageId="5" pageNumber="268">Quang Ngai Province</collectingRegion>
,
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,
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,
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elev., growth on hill slopes composed of sandstone, under the canopy of lower primary evergreen broad-leaved forest,
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<collectingDate id="A469E9A1FFA0FF8FFC8F269BFC7F15B1" box="[810,990,2020,2046]" pageId="5" pageNumber="268" value="2017-08-12">12 August 2017</collectingDate>
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784
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(
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:
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)
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.
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<paragraph id="C02C3689FFA0FF8FFF2D2977FF511A6D" blockId="5.[136,1452,1947,2082]" box="[136,240,2055,2082]" pageId="5" pageNumber="268">
<figureCitation id="58A82A0CFFA0FF8FFF2D2977FF771A6D" box="[136,214,2055,2082]" captionStart="FIGURE 5" captionStartId="6.[136,234,1964,1986]" captionTargetBox="[207,1405,194,1928]" captionTargetId="figure-25@6.[163,1423,187,1943]" captionTargetPageId="6" captionText="FIGURE 5. Begonia lophura T.S.Hoang &amp; C.W.Lin. A. Habit; B, B. Upper and lower surface of leaf sections; C. Stipules; D, D, D. Bracts; E, E. Face and side views of staminate flower; F, F. Ventral and dorsal views of stamen; G, G. Face and side views of pistillate flower; H, H. Style and stigmatic band, ventral and dorsal views; I. Cross section of an immature capsule; J. Capsule." figureDoi="http://doi.org/10.5281/zenodo.5426468" httpUri="https://zenodo.org/record/5426468/files/figure.png" pageId="5" pageNumber="268">Figs. 5</figureCitation>
,
<figureCitation id="58A82A0CFFA0FF8FFF472977FF511A6D" box="[226,240,2056,2082]" captionStart="FIGURE 6" captionStartId="7.[136,234,1935,1957]" captionTargetBox="[151,1436,190,1911]" captionTargetId="figure-20@7.[151,1436,190,1911]" captionTargetPageId="7" captionText="FIGURE 6. Begonia lophura T.S.Hoang &amp; C.W.Lin. A, B, C. Habit and habitats, showing indigo blue iridescence leaves; D, E. Upper and lower surface of leaf sections; F. Young inflorescence and petioles, showing densely hispid; G. Habit; H. Staminate flowers, face and side views; I. Pistillate flower, face view; J. Capsules; K. Cross section of an immature capsule.All photos from Hoang Son 784 by Thanh Son Hoang." figureDoi="http://doi.org/10.5281/zenodo.5426470" httpUri="https://zenodo.org/record/5426470/files/figure.png" pageId="5" pageNumber="268">6</figureCitation>
</paragraph>
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<paragraph id="C02C3689FFA3FF8CFF2D26D3FB561A44" blockId="6.[136,1452,1964,2059]" pageId="6" pageNumber="269">
<emphasis id="F2E7EA9BFFA3FF8CFF2D26D3FEA2158D" bold="true" box="[136,259,1964,1986]" pageId="6" pageNumber="269">FIGURE 5.</emphasis>
<taxonomicName id="07934D0AFFA3FF8CFEAC26D2FD4E158C" authority="T. S. Hoang &amp; C. W. Lin. A. Habit" box="[265,751,1964,1987]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="6" pageNumber="269" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFA3FF8CFEAC26D2FE10158D" bold="true" box="[265,433,1964,1986]" italics="true" pageId="6" pageNumber="269">Begonia lophura</emphasis>
T.S.Hoang &amp; C.W.Lin. A. Habit
</taxonomicName>
; B, B. Upper and lower surface of leaf sections; C. Stipules; D, D, D. Bracts; E, E. Face and side views of staminate flower; F, F. Ventral and dorsal views of stamen; G, G. Face and side views of pistillate flower; H, H. Style and stigmatic band, ventral and dorsal views; I. Cross section of an immature capsule; J. Capsule.
</paragraph>
</caption>
<caption id="94EC6601FFA2FF8DFF2D26F0FF5B1A5E" ID-DOI="http://doi.org/10.5281/zenodo.5426470" ID-Zenodo-Dep="5426470" httpUri="https://zenodo.org/record/5426470/files/figure.png" pageId="7" pageNumber="270" startId="7.[136,234,1935,1957]" targetBox="[151,1436,190,1911]" targetPageId="7">
<paragraph id="C02C3689FFA2FF8DFF2D26F0FF5B1A5E" blockId="7.[136,1452,1935,2065]" pageId="7" pageNumber="270">
<emphasis id="F2E7EA9BFFA2FF8DFF2D26F0FEA215EA" bold="true" box="[136,259,1935,1957]" pageId="7" pageNumber="270">FIGURE 6.</emphasis>
<taxonomicName id="07934D0AFFA2FF8DFEAF26EFFD0D15EA" authority="T. S. Hoang &amp; C. W. Lin. A" authorityName="T. S. Hoang &amp; C. W. Lin. A" box="[266,684,1935,1958]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="7" pageNumber="270" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFA2FF8DFEAF26EFFE1315EA" bold="true" box="[266,434,1935,1957]" italics="true" pageId="7" pageNumber="270">Begonia lophura</emphasis>
T.S.Hoang &amp; C.W.Lin. A
</taxonomicName>
, B, C. Habit and habitats, showing indigo blue iridescence leaves; D, E. Upper and lower surface of leaf sections; F. Young inflorescence and petioles, showing densely hispid; G. Habit; H. Staminate flowers, face and side views; I. Pistillate flower, face view; J. Capsules; K. Cross section of an immature capsule. All photos from
<emphasis id="F2E7EA9BFFA2FF8DFB1226A7FAEA15A2" box="[1207,1355,2008,2029]" italics="true" pageId="7" pageNumber="270">Hoang Son 784</emphasis>
by Thanh Son Hoang.
</paragraph>
</caption>
<caption id="94EC6601FFADFF82FF2D27AAFE07157D" ID-DOI="http://doi.org/10.5281/zenodo.5426472" ID-Zenodo-Dep="5426472" httpUri="https://zenodo.org/record/5426472/files/figure.png" pageId="8" pageNumber="271" startId="8.[136,234,1749,1771]" targetBox="[151,1436,190,1724]" targetPageId="8">
<paragraph id="C02C3689FFADFF82FF2D27AAFE07157D" blockId="8.[136,1452,1749,1843]" pageId="8" pageNumber="271">
<emphasis id="F2E7EA9BFFADFF82FF2D27AAFEA514A5" bold="true" box="[136,260,1749,1771]" pageId="8" pageNumber="271">FIGURE 7.</emphasis>
<taxonomicName id="07934D0AFFADFF82FEAF27AAFD2014A4" authority="Ridley. A, B. Habit" authorityName="Ridley. A, B. Habit" authorityYear="1909" box="[266,641,1749,1771]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="8" pageNumber="271" phylum="Tracheophyta" rank="species" species="pavonina">
<emphasis id="F2E7EA9BFFADFF82FEAF27AAFE6114A5" bold="true" box="[266,448,1749,1770]" italics="true" pageId="8" pageNumber="271">Begonia pavonina</emphasis>
Ridley. A, B. Habit
</taxonomicName>
and habitats; C. Staminate flowers, face and side views; D. Pistillate flowers, face, back and side views; E. Immature capsule. Photos A, B &amp; E by Che-Wei Lin; Photos C (left) from
<emphasis id="F2E7EA9BFFADFF82FBE92786FB611541" box="[1100,1216,1785,1806]" italics="true" pageId="8" pageNumber="271">Peng 20239</emphasis>
and C (right) &amp; D from
<emphasis id="F2E7EA9BFFADFF82FF2D2662FF5A157D" box="[136,251,1821,1842]" italics="true" pageId="8" pageNumber="271">Peng 22710</emphasis>
by Ching-I Peng.
</paragraph>
</caption>
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Monoecious rhizomatous herb.
<emphasis id="F2E7EA9BFFADFF82FE49261EFDF71534" bold="true" box="[492,598,1889,1915]" pageId="8" pageNumber="271">Rhizome</emphasis>
stout, to
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or more long,
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thick, internodes congested, hispid.
<emphasis id="F2E7EA9BFFADFF82FF2D26FAFF4615D0" bold="true" box="[136,231,1925,1951]" pageId="8" pageNumber="271">Stipules</emphasis>
persistent, reddish-green, narrowly triangular,
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long,
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wide, herbaceous, strongly keeled, abaxially hispid, margin entire, apex aristate, arista extended to
<emphasis id="F2E7EA9BFFADFF82FCFD26D5FCD3158C" box="[856,882,1962,1987]" italics="true" pageId="8" pageNumber="271">ca</emphasis>
.
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long.
<emphasis id="F2E7EA9BFFADFF82FBAF26D6FBFD158C" bold="true" box="[1034,1116,1961,1987]" pageId="8" pageNumber="271">Leaves</emphasis>
alternate, petiole terete, olive green to brownish-red,
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long,
<quantity id="076B9B6CFFADFF82FD9F26B2FD0C15A7" box="[570,685,1997,2024]" metricMagnitude="-3" metricUnit="m" metricValue="4.25" metricValueMax="5.0" metricValueMin="3.5" pageId="8" pageNumber="271" unit="mm" value="4.25" valueMax="5.0" valueMin="3.5">3.55 mm</quantity>
thick, densely white to pink hispid; leaf blade asymmetric, oblique, widely ovate,
<quantity id="076B9B6CFFADFF82FE83268EFE341A43" box="[294,405,2033,2060]" metricMagnitude="-1" metricUnit="m" metricValue="1.45" metricValueMax="1.9" metricValueMin="1.0" pageId="8" pageNumber="271" unit="cm" value="14.5" valueMax="19.0" valueMin="10.0">1019 cm</quantity>
long,
<quantity id="076B9B6CFFADFF82FE78268EFDF21A43" box="[477,595,2033,2060]" metricMagnitude="-1" metricUnit="m" metricValue="1.025" metricValueMax="1.35" metricValueMin="0.7" pageId="8" pageNumber="271" unit="cm" value="10.25" valueMax="13.5" valueMin="7.0">713.5 cm</quantity>
wide, broad side
<quantity id="076B9B6CFFADFF82FCBF268EFC231A43" box="[794,898,2033,2060]" metricMagnitude="-2" metricUnit="m" metricValue="6.75" metricValueMax="9.0" metricValueMin="4.5" pageId="8" pageNumber="271" unit="cm" value="6.75" valueMax="9.0" valueMin="4.5">4.59 cm</quantity>
wide, basal lobes cordate,
<quantity id="076B9B6CFFADFF82FB17268EFA8E1A43" box="[1202,1327,2033,2060]" metricMagnitude="-2" metricUnit="m" metricValue="4.0" metricValueMax="5.5" metricValueMin="2.5" pageId="8" pageNumber="271" unit="cm" value="4.0" valueMax="5.5" valueMin="2.5">2.55.5 cm</quantity>
long, apex acuminate, margin denticulate and shortly hirsute; leaf thick chartaceous, succulent, adaxially olive green, sometimes embellish with dusky malachite green between veins, surface glabrous or very sparsely red hirsute; velvety, with ultramarine blue to aquamarine iridescence giving a amazing appearance; abaxially pale green to purplish red, sparsely red hispid; venation basally
<emphasis id="F2E7EA9BFFACFF83FE692074FE47136B" box="[460,486,267,292]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
. 8 palmate, midrib distinct,
<emphasis id="F2E7EA9BFFACFF83FC882074FCE6136B" box="[813,839,267,292]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
. 2 secondary veins on each side, other primary veins branching dichotomously or nearly so, tertiary veins reticulate.
<emphasis id="F2E7EA9BFFACFF83FCD52051FBB81307" bold="true" box="[880,1049,302,328]" pageId="9" pageNumber="272">Inflorescences</emphasis>
axillary, bisexual, cymose panicle arising directly from rhizome, dichasial cymes branched
<emphasis id="F2E7EA9BFFACFF83FCAE202CFC841323" box="[779,805,339,364]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
. 3 times; peduncle dusky vermilion to crimson,
<quantity id="076B9B6CFFACFF83FAEC202DFA0A1322" box="[1353,1451,338,365]" metricMagnitude="-1" metricUnit="m" metricValue="1.1" metricValueMax="1.4" metricValueMin="0.8" pageId="9" pageNumber="272" unit="cm" value="11.0" valueMax="14.0" valueMin="8.0">814 cm</quantity>
long, white hirsute; bracts persistent, reddish, lanceolate,
<quantity id="076B9B6CFFACFF83FC872009FC3113DE" box="[802,912,374,401]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" metricValueMax="10.0" metricValueMin="4.0" pageId="9" pageNumber="272" unit="mm" value="7.0" valueMax="10.0" valueMin="4.0">410 mm</quantity>
long,
<quantity id="076B9B6CFFACFF83FC782009FB9C13DE" box="[989,1085,374,401]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="4.0" metricValueMin="1.0" pageId="9" pageNumber="272" unit="mm" value="2.5" valueMax="4.0" valueMin="1.0">14 mm</quantity>
wide, abaxially hirsute, margin sparsely denticulate and hirsute.
<emphasis id="F2E7EA9BFFACFF83FDA220E5FD4013FB" bold="true" box="[519,737,410,436]" pageId="9" pageNumber="272">Staminate flower:</emphasis>
pedicel
<quantity id="076B9B6CFFACFF83FCED20E5FC6813FA" box="[840,969,410,437]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" metricValueMax="3.5" metricValueMin="1.5" pageId="9" pageNumber="272" unit="cm" value="2.5" valueMax="3.5" valueMin="1.5">1.53.5 cm</quantity>
long, sparsely hirsute, tepals 4, white or rosy pink, outer 2 widely ovate to widely obovate,
<quantity id="076B9B6CFFACFF83FD7C20C1FCE51396" box="[729,836,446,473]" metricMagnitude="-2" metricUnit="m" metricValue="1.8" metricValueMax="2.0" metricValueMin="1.6" pageId="9" pageNumber="272" unit="cm" value="1.8" valueMax="2.0" valueMin="1.6">1.62 cm</quantity>
long,
<quantity id="076B9B6CFFACFF83FC3520C1FBAE1396" box="[912,1039,446,473]" metricMagnitude="-2" metricUnit="m" metricValue="1.7" metricValueMax="1.9" metricValueMin="1.5" pageId="9" pageNumber="272" unit="cm" value="1.7" valueMax="1.9" valueMin="1.5">1.51.9 cm</quantity>
wide, abaxially red hirsute, inner 2 narrowly obovate,
<quantity id="076B9B6CFFACFF83FEC4209DFE6D13B2" box="[353,460,482,509]" metricMagnitude="-2" metricUnit="m" metricValue="1.85" metricValueMax="2.0" metricValueMin="1.7" pageId="9" pageNumber="272" unit="cm" value="1.85" valueMax="2.0" valueMin="1.7">1.72 cm</quantity>
long,
<quantity id="076B9B6CFFACFF83FDBF209DFDDB13B2" box="[538,634,482,509]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="9" pageNumber="272" unit="mm" value="8.0" valueMax="9.0" valueMin="7.0">79 mm</quantity>
wide, glabrous; androecium actinomorphic,
<emphasis id="F2E7EA9BFFACFF83FBDA209CFB3813B3" box="[1151,1177,483,508]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FB0E209DFB4E13B2" box="[1195,1263,482,509]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" pageId="9" pageNumber="272" unit="mm" value="6.0">6 mm</quantity>
across; stamens golden yellow, up to 200; filaments fused at base into a short column
<emphasis id="F2E7EA9BFFACFF83FC2B2378FC09106F" box="[910,936,519,544]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FC082379FBA4106E" box="[941,1029,518,545]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="9" pageNumber="272" unit="mm" value="1.5">1.5 mm</quantity>
long; anthers narrowly obovate,
<emphasis id="F2E7EA9BFFACFF83FAD02378FA2E106F" box="[1397,1423,519,544]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FA382379FF15100A" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="9" pageNumber="272" unit="mm" value="1.0">1 mm</quantity>
long, 2-locular, apex obtuse to truncate, longer than filaments.
<emphasis id="F2E7EA9BFFACFF83FCD12355FB99100B" bold="true" box="[884,1080,554,580]" pageId="9" pageNumber="272">Pistillate flower:</emphasis>
pedicel
<emphasis id="F2E7EA9BFFACFF83FB332354FB11100B" box="[1174,1200,555,580]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FB1B2355FAAB100A" box="[1214,1290,554,581]" metricMagnitude="-2" metricUnit="m" metricValue="1.5" pageId="9" pageNumber="272" unit="cm" value="1.5">1.5 cm</quantity>
long, sparsely hirsute, tepals 5, white to rosy pink, outer 3 widely obovate to very widely obovate,
<quantity id="076B9B6CFFACFF83FB9F2331FB161026" box="[1082,1207,590,617]" metricMagnitude="-2" metricUnit="m" metricValue="1.3" metricValueMax="1.5" metricValueMin="1.1" pageId="9" pageNumber="272" unit="cm" value="1.3" valueMax="1.5" valueMin="1.1">1.11.5 cm</quantity>
long,
<quantity id="076B9B6CFFACFF83FB5B2331FAC61026" box="[1278,1383,590,617]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="9" pageNumber="272" unit="cm" value="1.15" valueMax="1.3" valueMin="1.0">11.3 cm</quantity>
wide, abaxially red hirsute, inner 2 obovate to widely obovate,
<quantity id="076B9B6CFFACFF83FCBC230DFC2210C2" box="[793,899,626,653]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" metricValueMax="1.4" metricValueMin="1.0" pageId="9" pageNumber="272" unit="cm" value="1.2" valueMax="1.4" valueMin="1.0">11.4 cm</quantity>
long,
<quantity id="076B9B6CFFACFF83FC6B230DFB9910C2" box="[974,1080,626,653]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" pageId="9" pageNumber="272" unit="cm" value="0.85" valueMax="1.0" valueMin="0.7">0.71 cm</quantity>
wide; ovary trigonous-ellipsoid,
<emphasis id="F2E7EA9BFFACFF83FF2D23E8FF0310FF" box="[136,162,663,688]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FF1723E9FF5410FE" box="[178,245,662,689]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="272" unit="mm" value="5.0">5 mm</quantity>
long,
<quantity id="076B9B6CFFACFF83FEE523E9FE3910FE" box="[320,408,662,689]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="9" pageNumber="272" unit="mm" value="2.5">2.5 mm</quantity>
thick (wings excluded), rosy pink, hirsute; 3-winged, wings unequal, pink,
<emphasis id="F2E7EA9BFFACFF83FB5823E8FAB610FF" box="[1277,1303,663,688]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FA8223E9FACB10FE" box="[1319,1386,662,689]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="9" pageNumber="272" unit="mm" value="8.0">8 mm</quantity>
long, lateral wings narrower, narrowly triangular,
<quantity id="076B9B6CFFACFF83FD2423C5FD54109A" box="[641,757,698,725]" metricMagnitude="-3" metricUnit="m" metricValue="1.75" metricValueMax="2.0" metricValueMin="1.5" pageId="9" pageNumber="272" unit="mm" value="1.75" valueMax="2.0" valueMin="1.5">1.52 mm</quantity>
wide, abaxial wing crescent-shaped,
<quantity id="076B9B6CFFACFF83FB0423C5FAA1109A" box="[1185,1280,698,725]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="9" pageNumber="272" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">45 mm</quantity>
wide, sparsely hirsute, margin entire; ovary 2-locular, placenta bilamellate; styles 2, fused at base, golden yellow,
<emphasis id="F2E7EA9BFFACFF83FB5923A0FABC10B7" box="[1276,1309,735,760]" italics="true" pageId="9" pageNumber="272">ca.</emphasis>
<quantity id="076B9B6CFFACFF83FA8323A1FACB10B6" box="[1318,1386,734,761]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="272" unit="mm" value="5.0">5 mm</quantity>
long, stigma spirally twisted.
<emphasis id="F2E7EA9BFFACFF83FE3C227DFE581153" bold="true" box="[409,505,770,796]" pageId="9" pageNumber="272">Capsule</emphasis>
trigonous-ellipsoid,
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long,
<emphasis id="F2E7EA9BFFACFF83FC15227CFC6B1153" box="[944,970,771,796]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FC7F227DFBBC1152" box="[986,1053,770,797]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="9" pageNumber="272" unit="mm" value="8.0">8 mm</quantity>
thick (wings excluded), reddish to olive fresh, scabrous; wings unequal,
<quantity id="076B9B6CFFACFF83FD8A2259FD0D110E" box="[559,684,806,833]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" metricValueMax="1.8" metricValueMin="1.5" pageId="9" pageNumber="272" unit="cm" value="1.65" valueMax="1.8" valueMin="1.5">1.51.8 cm</quantity>
long, lateral wings
<emphasis id="F2E7EA9BFFACFF83FC2F2258FC05110F" box="[906,932,807,832]" italics="true" pageId="9" pageNumber="272">ca</emphasis>
.
<quantity id="076B9B6CFFACFF83FC162259FC55110E" box="[947,1012,806,833]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="9" pageNumber="272" unit="mm" value="5.0">5 mm</quantity>
wide, abaxial wing slightly falcate and strongly swollen,
<quantity id="076B9B6CFFACFF83FEF52235FE6C112A" box="[336,461,842,869]" metricMagnitude="-2" metricUnit="m" metricValue="1.65" metricValueMax="1.8" metricValueMin="1.5" pageId="9" pageNumber="272" unit="cm" value="1.65" valueMax="1.8" valueMin="1.5">1.51.8 cm</quantity>
wide.
</paragraph>
</subSubSection>
<caption id="94EC6601FFACFF83FF2D269EFA911A54" ID-DOI="http://doi.org/10.5281/zenodo.5426474" ID-Zenodo-Dep="5426474" httpUri="https://zenodo.org/record/5426474/files/figure.png" pageId="9" pageNumber="272" startId="9.[136,234,2017,2039]" targetBox="[189,1398,893,1992]" targetPageId="9">
<paragraph id="C02C3689FFACFF83FF2D269EFA911A54" blockId="9.[136,1451,2017,2075]" pageId="9" pageNumber="272">
<emphasis id="F2E7EA9BFFACFF83FF2D269EFEA515B9" bold="true" box="[136,260,2017,2039]" pageId="9" pageNumber="272">FIGURE 8.</emphasis>
<taxonomicName id="07934D0AFFACFF83FEAE269EFD6E15B8" authority="Y. Y. Qian. A, B. Habit" authorityName="Y. Y. Qian. A, B. Habit" authorityYear="2001" box="[267,719,2017,2039]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="9" pageNumber="272" phylum="Tracheophyta" rank="species" species="menglianensis">
<emphasis id="F2E7EA9BFFACFF83FEAE269EFE5515B8" bold="true" box="[267,500,2017,2039]" italics="true" pageId="9" pageNumber="272">Begonia menglianensis</emphasis>
Y.Y.Qian. A, B. Habit
</taxonomicName>
and habitats; C, D. Upper surface of leaf section, E. Lower surface of leaf section; F, G. Inflorescence, showing bracts; H. Staminate flower; I. Capsule. All photos from
<emphasis id="F2E7EA9BFFACFF83FBB72979FB241A55" box="[1042,1157,2053,2075]" italics="true" pageId="9" pageNumber="272">Peng 20969</emphasis>
by Ching-I Peng.
</paragraph>
</caption>
<subSubSection id="88896502FFAFFF80FF1821E1FF7B136B" pageId="10" pageNumber="273" type="distribution">
<paragraph id="C02C3689FFAFFF80FF1821E1FF7B136B" blockId="10.[136,1452,158,904]" pageId="10" pageNumber="273">
<emphasis id="F2E7EA9BFFAFFF80FF1821E1FE4E12F7" bold="true" box="[189,495,158,184]" pageId="10" pageNumber="273">Distribution and ecology:</emphasis>
The new species is currently known to be available in Tra Bui Commune, Tra Bong District,
<collectingRegion id="0257F86BFFAFFF80FF4F21BDFE7E1293" box="[234,479,194,220]" country="Vietnam" name="Quang Ngai" pageId="10" pageNumber="273">Quang Ngai Province</collectingRegion>
, the Central Highlands of
<collectingCountry id="B8847619FFAFFF80FCA121BDFCC21293" box="[772,867,194,220]" name="Vietnam" pageId="10" pageNumber="273">Vietnam</collectingCountry>
and probably also occurs in adjacent areas. It grows on hill slopes composed of sandstone at
<quantity id="076B9B6CFFAFFF80FDF52199FD36134E" box="[592,663,230,257]" metricMagnitude="2" metricUnit="m" metricValue="5.65" pageId="10" pageNumber="273" unit="m" value="565.0">565 m</quantity>
elevation, under the canopy of lower primary evergreen broad-leaved forests.
</paragraph>
</subSubSection>
<subSubSection id="88896502FFAFFF80FF182051FD3C1322" pageId="10" pageNumber="273" type="etymology">
<paragraph id="C02C3689FFAFFF80FF182051FD3C1322" blockId="10.[136,1452,158,904]" pageId="10" pageNumber="273">
<emphasis id="F2E7EA9BFFAFFF80FF182051FE9F1307" bold="true" box="[189,318,302,328]" pageId="10" pageNumber="273">Etymology</emphasis>
: The epithet
<taxonomicName id="07934D0AFFAFFF80FE7B2051FD961307" box="[478,567,302,328]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFAFFF80FE7B2051FD961307" box="[478,567,302,328]" italics="true" pageId="10" pageNumber="273">lophura</emphasis>
</taxonomicName>
refers to the resemblance of the blue iridescent sheen leaves, which resemble the metallica blue feather of
<emphasis id="F2E7EA9BFFAFFF80FE6C202DFD361323" box="[457,663,338,364]" italics="true" pageId="10" pageNumber="273">Lophura edwardsi</emphasis>
.
</paragraph>
</subSubSection>
<subSubSection id="88896502FFAFFF80FF182009FE8713B3" pageId="10" pageNumber="273" type="conservation">
<paragraph id="C02C3689FFAFFF80FF182009FE8713B3" blockId="10.[136,1452,158,904]" pageId="10" pageNumber="273">
<emphasis id="F2E7EA9BFFAFFF80FF182009FEC613DF" bold="true" box="[189,359,374,400]" pageId="10" pageNumber="273">Conservation:</emphasis>
<taxonomicName id="07934D0AFFAFFF80FED52008FD8E13DF" box="[368,559,374,400]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFAFFF80FED52008FD8E13DF" box="[368,559,374,400]" italics="true" pageId="10" pageNumber="273">Begonia lophura</emphasis>
</taxonomicName>
was collected along the roadside from protection forest in Tra Bui Commune where no signs of major anthropogenic disturbance have been noticed. Therefore, the species is preliminarily assigned to Vulnerable (VUD2) category according to The Guidelines for Using The IUCN Red List Categories and Criteria (
<bibRefCitation id="A4024B78FFAFFF80FF35209DFEBB13B3" author="IUCN Standards &amp; Petitions Subcommittee" box="[144,282,482,508]" pageId="10" pageNumber="273" refId="ref4414" 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 6 January 2021)" type="url" year="2019">IUCN 2019</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="88896502FFAFFF80FF182379FE4311C7" pageId="10" pageNumber="273" type="discussion">
<paragraph id="C02C3689FFAFFF80FF182379FE4311C7" blockId="10.[136,1452,158,904]" pageId="10" pageNumber="273">
<emphasis id="F2E7EA9BFFAFFF80FF182379FEA8106F" bold="true" box="[189,265,518,544]" pageId="10" pageNumber="273">Notes:</emphasis>
<taxonomicName id="07934D0AFFAFFF80FEB72378FE70106F" box="[274,465,518,544]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFAFFF80FEB72378FE70106F" box="[274,465,518,544]" italics="true" pageId="10" pageNumber="273">Begonia lophura</emphasis>
</taxonomicName>
resembles
<taxonomicName id="07934D0AFFAFFF80FDF72378FC11106F" authority="Ridley (1909: 22)" authorityName="Ridley. A, B. Habit" authorityPageNumber="22" authorityYear="1909" box="[594,944,518,544]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="pavonina">
<emphasis id="F2E7EA9BFFAFFF80FDF72378FD7A106F" box="[594,731,519,544]" italics="true" pageId="10" pageNumber="273">B. pavonina</emphasis>
<bibRefCitation id="A4024B78FFAFFF80FD462379FC11106F" author="Ridley, H. N." box="[739,944,518,544]" pageId="10" pageNumber="273" pagination="1 - 98" refId="ref5198" refString="Ridley, H. N. (1909) The Flora of the Telom and Batang Padang Valleys. Journal of the Federated Malay States Museums v 4: 1 - 98." type="journal article" year="1909">Ridley (1909: 22)</bibRefCitation>
</taxonomicName>
, while the latter is a handsome species from Cameron Highlands in Peninsular
<collectingCountry id="B8847619FFAFFF80FDAB2355FDD4100B" box="[526,629,554,580]" name="Malaysia" pageId="10" pageNumber="273">Malaysia</collectingCountry>
and also belongs to sect.
<emphasis id="F2E7EA9BFFAFFF80FC3C2355FB91100B" box="[921,1072,554,580]" italics="true" pageId="10" pageNumber="273">Platycentrum</emphasis>
. The two species bear superficial similarities by having ovate leaves that have upper surfaces which produce an indigo blue iridescence when the light is reflected at certain angles, 4-tepaled staminate flower and 5-tepaled pistillate flower. However,
<taxonomicName id="07934D0AFFAFFF80FA94230CFA0D10C3" box="[1329,1452,626,652]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="lophura">
<emphasis id="F2E7EA9BFFAFFF80FA94230CFA0D10C3" box="[1329,1452,626,652]" italics="true" pageId="10" pageNumber="273">B. lophura</emphasis>
</taxonomicName>
is distinct from
<taxonomicName id="07934D0AFFAFFF80FE9923E8FE6510FF" authorityName="Ridley. A, B. Habit" authorityYear="1909" box="[316,452,663,688]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="pavonina">
<emphasis id="F2E7EA9BFFAFFF80FE9923E8FE6510FF" box="[316,452,663,688]" italics="true" pageId="10" pageNumber="273">B. pavonina</emphasis>
</taxonomicName>
(
<figureCitation id="58A82A0CFFAFFF80FE7023E9FDB810FE" box="[469,537,662,689]" captionStart="FIGURE 7" captionStartId="8.[136,234,1749,1771]" captionTargetBox="[151,1436,190,1724]" captionTargetId="figure-25@8.[151,1436,190,1724]" captionTargetPageId="8" captionText="FIGURE 7. Begonia pavonina Ridley. A, B. Habit and habitats; C. Staminate flowers, face and side views; D. Pistillate flowers, face, back and side views; E. Immature capsule. Photos A, B &amp; E by Che-Wei Lin; Photos C (left) from Peng 20239 and C (right) &amp; D from Peng 22710 by Ching-I Peng." figureDoi="http://doi.org/10.5281/zenodo.5426472" httpUri="https://zenodo.org/record/5426472/files/figure.png" pageId="10" pageNumber="273">Fig. 7</figureCitation>
) in its leaves that are widely ovate (vs. ovate) and red hirsute on abaxial surface (vs. glabrous), bracts persistent (vs. caducous), tepals hirsute in both of staminate and pistillate flowers (vs. glabrous), capsule scabrous (vs. glabrous) and abaxial wing strongly swollen (vs. thin, not swollen). The new species is also closely similar to
<taxonomicName id="07934D0AFFAFFF80FEF5227CFCA71152" authority="Y. Y. Qian (2001: 461)" authorityName="Y. Y. Qian. A, B. Habit" authorityPageNumber="461" authorityYear="2001" box="[336,774,770,797]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="10" pageNumber="273" phylum="Tracheophyta" rank="species" species="menglianensis">
<emphasis id="F2E7EA9BFFAFFF80FEF5227CFDAE1153" box="[336,527,770,796]" italics="true" pageId="10" pageNumber="273">B. menglianensis</emphasis>
Y.Y.
<bibRefCitation id="A4024B78FFAFFF80FDE8227DFCA71152" author="Qian, Y. Y." box="[589,774,770,797]" pageId="10" pageNumber="273" pagination="461 - 463" refId="ref5162" refString="Qian, Y. Y. (2001) A new species of Begonia L. (Begoniaceae) from Yunnan, China. Acta Phytotaxonomica Sinica 39 (5): 461 - 463." type="journal article" year="2001">Qian (2001:461)</bibRefCitation>
</taxonomicName>
in widely ovate, velvety foliage and inflorescence structure, but differs in its adaxial lamina surface with blue iridescence (vs. absence of blue iridescence), ovary hirsute (vs. fusco-villose) and abaxial wing strongly swollen (vs. thin, not swollen). A comparison of the three phonetically similar species is presented in
<tableCitation id="8D110332FFAFFF80FE2D2211FE7F11C7" box="[392,478,878,904]" captionStart="TABLE 2" captionStartId="10.[136,229,950,976]" captionTargetPageId="10" captionText="TABLE 2. Comparison of Begonia lophura T.S.Hoang &amp; C.W.Lin, B. menglianensis Y.Y.Qian and B. pavonina Ridley." pageId="10" pageNumber="273">Table 2</tableCitation>
.
</paragraph>
</subSubSection>
</treatment>
</document>

View file

@ -0,0 +1,439 @@
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<mods:title id="5779E0C69136B75211644A1713C2BA4E">Two new species of Begonia (sect. Platycentrum, Begoniaceae) from the Central Highlands of Vietnam: B. villosula and B. lophura</mods:title>
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<mods:namePart id="F8BF4BAA53E4B0DF60A2723FF86FA473">Hoang, Thanh Son</mods:namePart>
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<mods:namePart id="EA023F0BF2BE5E7BF880108FC0C39618">Lin, Che-Wei</mods:namePart>
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<emphasis id="F2E7EA9BFFA5FF8AFF2D26F0FF3F15E6" bold="true" box="[136,158,1935,1961]" pageId="0" pageNumber="263">1.</emphasis>
<taxonomicName id="07934D0AFFA5FF8AFF0626F0FDCA15E6" ID-CoL="8SKW5" authority="T.S.Hoang &amp; C.W.Lin" authorityName="T. S. Hoang &amp; C. W. Lin" authorityYear="2021" box="[163,619,1934,1961]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="0" pageNumber="263" phylum="Tracheophyta" rank="species" species="villosula" status="sp. nov.">
<emphasis id="F2E7EA9BFFA5FF8AFF0626F0FECA15E6" bold="true" box="[163,363,1934,1961]" italics="true" pageId="0" pageNumber="263">Begonia villosula</emphasis>
T.S.Hoang &amp; C.W.Lin
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,
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<emphasis id="F2E7EA9BFFA5FF8AFD4126F0FC9915E6" bold="true" box="[740,824,1935,1961]" pageId="0" pageNumber="263">TYPE:</emphasis>
<materialsCitation id="70FB3CD4FFA5FF8AFC9826F0FC0815A3" collectingDate="2018-08-18" collectionCode="VAFS" collectorName="Hoang Son" country="Vietnam" elevation="702" latitude="15.240684" location="Tra Giap Commune" longLatPrecision="1" longitude="108.27534" municipality="Bac Tra My District" pageId="0" pageNumber="263" specimenCount="1" stateProvince="Quang Nam Province" typeStatus="holotype">
<collectingCountry id="B8847619FFA5FF8AFC9826F0FC6315E6" box="[829,962,1935,1961]" name="Vietnam" pageId="0" pageNumber="263">VIETNAM</collectingCountry>
.
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,
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,
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,
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elev., growth on the moist rocky in broad-leaved evergreen forests,
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3617
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(
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.
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<figureCitation id="58A82A0CFFA5FF8AFF2D268CFF771A42" box="[136,214,2035,2061]" captionStart="FIGURE 2" captionStartId="2.[136,234,1956,1978]" captionTargetBox="[218,1390,325,1890]" captionTargetId="figure-63@2.[151,1436,281,1931]" captionTargetPageId="2" captionText="FIGURE 2. Begonia villosula T.S.Hoang, C.W.Lin. A. Habit; B, B. Portion of leaf, upper and lower surface; C. Stipule on rhizome, C. Stipule on erect stem; D, D. Bracts; E, E. Staminate flower, face and side views; F, F. Stamens, ventral and dorsal views; G, G. Pistillate flower, face and side views; H, H. Styles and stigmatic band, dorsal and ventral views; I. Capsule; J. Cross section of an immature capsule." figureDoi="http://doi.org/10.5281/zenodo.5426462" httpUri="https://zenodo.org/record/5426462/files/figure.png" pageId="0" pageNumber="263">Figs. 2</figureCitation>
,
<figureCitation id="58A82A0CFFA5FF8AFF47268CFF511A42" box="[226,240,2035,2061]" captionStart="FIGURE 3" captionStartId="3.[136,234,1935,1957]" captionTargetBox="[151,1436,190,1911]" captionTargetId="figure-20@3.[151,1436,190,1911]" captionTargetPageId="3" captionText="FIGURE 3. Begonia villosula T.S.Hoang &amp; C.W.Lin. A, B. Habit and habitats; C, D. Leaf sections, upper and lower surface; E. Stipules on rhizome; F. Immature inflorescence; G. Stipule on erect stem (lower) and bract (upper); H, I. inflorescences; J. Staminate flowers, face and back views; K. Pistillate flowers, face and back views; L. Cross section of an immature capsule; M. Capsule. All photos from Hoang Son 3617 by Thanh Son Hoang." figureDoi="http://doi.org/10.5281/zenodo.5426464" httpUri="https://zenodo.org/record/5426464/files/figure.png" pageId="0" pageNumber="263">3</figureCitation>
</paragraph>
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<paragraph id="C02C3689FFA4FF8BFF2D25E6FCEA169C" blockId="1.[136,1451,1177,1235]" pageId="1" pageNumber="264">
<emphasis id="F2E7EA9BFFA4FF8BFF2D25E6FEA216E1" bold="true" box="[136,259,1177,1199]" pageId="1" pageNumber="264">FIGURE 1.</emphasis>
Distribution map of the two new
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<emphasis id="F2E7EA9BFFA4FF8BFDE325E5FD3716E0" box="[582,662,1178,1199]" italics="true" pageId="1" pageNumber="264">Begonia</emphasis>
species.
</taxonomicName>
Central Highlands of Vietnam, Quang Nam Province in green and Quang Ngai Province in yellow,
<taxonomicName id="07934D0AFFA4FF8BFED925C1FE4D169C" box="[380,492,1213,1235]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="1" pageNumber="264" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA4FF8BFED925C1FE4D169C" bold="true" box="[380,492,1213,1235]" italics="true" pageId="1" pageNumber="264">B. villosula</emphasis>
</taxonomicName>
(triangular) and
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<emphasis id="F2E7EA9BFFA4FF8BFD2B25C1FD58169C" bold="true" box="[654,761,1213,1235]" italics="true" pageId="1" pageNumber="264">B. lophura</emphasis>
</taxonomicName>
(circle).
</paragraph>
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Monoecious rhizomatous herb.
<emphasis id="F2E7EA9BFFA4FF8BFE5F2580FDC51756" bold="true" box="[506,612,1279,1305]" pageId="1" pageNumber="264">Rhizome</emphasis>
stout, to
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or more long,
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thick, internodes congested, velutinous; erect stems seen only at anthesis,
<emphasis id="F2E7EA9BFFA4FF8BFDD8245BFD361772" box="[637,663,1316,1341]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
. 3 nodes, internodes
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long,
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thick, densely velutinous.
<emphasis id="F2E7EA9BFFA4FF8BFF2D2438FF46172E" bold="true" box="[136,231,1351,1377]" pageId="1" pageNumber="264">Stipules</emphasis>
persistent, yellowish green to reddish, ovate to narrowly triangular-ovate, strongly reflexed,
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long,
<quantity id="076B9B6CFFA4FF8BFF2D2414FF4417C9" box="[136,229,1387,1414]" metricMagnitude="-3" metricUnit="m" metricValue="6.5" metricValueMax="8.0" metricValueMin="5.0" pageId="1" pageNumber="264" unit="mm" value="6.5" valueMax="8.0" valueMin="5.0">58 mm</quantity>
wide, herbaceous, strongly keeled, abaxially densely hirsute at midrib, margin entire, apex aristate, arista
<quantity id="076B9B6CFFA4FF8BFA242414FF1517E5" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="8.0" metricValueMin="4.0" pageId="1" pageNumber="264" unit="mm" value="6.0" valueMax="8.0" valueMin="4.0">48 mm</quantity>
long. stipules of erect stem similar but smaller.
<emphasis id="F2E7EA9BFFA4FF8BFD7024F0FC8617E6" bold="true" box="[725,807,1423,1449]" pageId="1" pageNumber="264">Leaves</emphasis>
alternate, petiole terete, pale green to reddish,
<quantity id="076B9B6CFFA4FF8BFA9E24F0FA0A17E5" box="[1339,1451,1423,1450]" metricMagnitude="-1" metricUnit="m" metricValue="1.9" metricValueMax="2.8" metricValueMin="1.0" pageId="1" pageNumber="264" unit="cm" value="19.0" valueMax="28.0" valueMin="10.0">1028 cm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFF6C24CCFE891781" box="[201,296,1459,1486]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="1" pageNumber="264" unit="mm" value="5.0" valueMax="6.0" valueMin="4.0">46 mm</quantity>
thick, densely white velutinous; leaf blade asymmetric, oblique, widely ovate to orbicular,
<quantity id="076B9B6CFFA4FF8BFA9E24CCFA0A1781" box="[1339,1451,1459,1486]" metricMagnitude="-1" metricUnit="m" metricValue="1.6" metricValueMax="1.8" metricValueMin="1.4" pageId="1" pageNumber="264" unit="cm" value="16.0" valueMax="18.0" valueMin="14.0">1418 cm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFF6C24A8FE9817BD" box="[201,313,1495,1522]" metricMagnitude="-1" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="1" pageNumber="264" unit="cm" value="12.5" valueMax="15.0" valueMin="10.0">1015 cm</quantity>
wide, broad side
<quantity id="076B9B6CFFA4FF8BFDA124A8FDCC17BD" box="[516,621,1495,1522]" metricMagnitude="-2" metricUnit="m" metricValue="8.25" metricValueMax="9.5" metricValueMin="7.0" pageId="1" pageNumber="264" unit="cm" value="8.25" valueMax="9.5" valueMin="7.0">79.5 cm</quantity>
wide, basal lobes cordate,
<quantity id="076B9B6CFFA4FF8BFC0524A8FC5F17BD" box="[928,1022,1495,1522]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="1" pageNumber="264" unit="mm" value="6.0" valueMax="7.0" valueMin="5.0">57 mm</quantity>
long, margin crenate to crenulate and densely white hirsute, apex acuminate; leaf thickly chartaceous, succulent, adaxially lime green, densely minutely raised cones topped, a white hirsute on a top; abaxially pale green, densely velutinous; venation basally
<emphasis id="F2E7EA9BFFA4FF8BFAAA275FFA881476" box="[1295,1321,1568,1593]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
. 9 palmate, midrib distinct,
<emphasis id="F2E7EA9BFFA4FF8BFE9C273BFEF21412" box="[313,339,1604,1629]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
. 3 secondary veins on each side, other primary veins branching dichotomously or nearly so, tertiary veins reticulate; smaller leaves of erect stem similar to terrestrial ones.
<emphasis id="F2E7EA9BFFA4FF8BFC082718FBF714CE" bold="true" box="[941,1110,1639,1665]" pageId="1" pageNumber="264">Inflorescences</emphasis>
axillary, monoecious, cymose panicle arising directly from rhizome or on a short stem, dichasial cymes branched
<emphasis id="F2E7EA9BFFA4FF8BFBF727F3FBCD14EA" box="[1106,1132,1676,1701]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
. 3 times; peduncle reddish,
<quantity id="076B9B6CFFA4FF8BFF2D27D0FF481485" box="[136,233,1711,1738]" metricMagnitude="-2" metricUnit="m" metricValue="7.0" metricValueMax="10.0" metricValueMin="4.0" pageId="1" pageNumber="264" unit="cm" value="7.0" valueMax="10.0" valueMin="4.0">410 cm</quantity>
long, velutinous; bracts persistent, pale yellow-green to reddish, those at basal node of inflorescence elliptic to oblanceolate,
<quantity id="076B9B6CFFA4FF8BFEE627ACFE0E14A1" box="[323,431,1747,1774]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" metricValueMax="1.5" metricValueMin="0.7" pageId="1" pageNumber="264" unit="mm" value="11.0" valueMax="15.0" valueMin="7.0">715 mm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFE5D27ACFDF714A1" box="[504,598,1747,1774]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="6.0" metricValueMin="3.0" pageId="1" pageNumber="264" unit="mm" value="4.5" valueMax="6.0" valueMin="3.0">36 mm</quantity>
wide, abaxially hirsute at midrib, margin entire or sparsely denticulate and velutinous; bracts of upper inflorescence similar but smaller.
<emphasis id="F2E7EA9BFFA4FF8BFC962788FBA9155E" bold="true" box="[819,1032,1783,1809]" pageId="1" pageNumber="264">Staminate flower:</emphasis>
pedicel
<quantity id="076B9B6CFFA4FF8BFBC22788FB7E155D" box="[1127,1247,1783,1810]" metricMagnitude="-2" metricUnit="m" metricValue="1.35" metricValueMax="1.7" metricValueMin="1.0" pageId="1" pageNumber="264" unit="mm" value="13.5" valueMax="17.0" valueMin="10.0">1017 mm</quantity>
long, sparsely red hirsute, tepals 4, white, outer 2 very widely ovate to orbicular,
<quantity id="076B9B6CFFA4FF8BFCEB2664FC691579" box="[846,968,1819,1846]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="1" pageNumber="264" unit="mm" value="12.5" valueMax="15.0" valueMin="10.0">1015 mm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFBB52664FBDA1579" box="[1040,1147,1819,1846]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="1.2" metricValueMin="0.8" pageId="1" pageNumber="264" unit="mm" value="10.0" valueMax="12.0" valueMin="8.0">812 mm</quantity>
wide, abaxially red hisute, inner 2 elliptic to oblanceolate,
<quantity id="076B9B6CFFA4FF8BFE4F2640FDC21515" box="[490,611,1855,1882]" metricMagnitude="-2" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" pageId="1" pageNumber="264" unit="mm" value="11.5" valueMax="13.0" valueMin="10.0">1013 mm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFD0C2640FCA71515" box="[681,774,1855,1882]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" metricValueMax="6.0" metricValueMin="4.0" pageId="1" pageNumber="264" unit="mm" value="5.0" valueMax="6.0" valueMin="4.0">46 mm</quantity>
wide; androecium actinomorphic,
<emphasis id="F2E7EA9BFFA4FF8BFB28263FFB061516" box="[1165,1191,1856,1881]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFB102640FB571515" box="[1205,1270,1855,1882]" metricMagnitude="-3" metricUnit="m" metricValue="5.0" pageId="1" pageNumber="264" unit="mm" value="5.0">5 mm</quantity>
across; stamens 80120, golden yellow; filaments fused at base; anthers obovate,
<emphasis id="F2E7EA9BFFA4FF8BFCCA261BFC281532" box="[879,905,1892,1917]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFC3C261CFC7A1531" box="[921,987,1891,1918]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="264" unit="mm" value="1.0">1 mm</quantity>
long, 2-locular, apex obtuse, subequal at filaments.
<emphasis id="F2E7EA9BFFA4FF8BFF5A26F8FE6515EE" bold="true" box="[255,452,1927,1953]" pageId="1" pageNumber="264">Pistillate flower:</emphasis>
pedicel
<emphasis id="F2E7EA9BFFA4FF8BFD8126F7FD9F15EE" box="[548,574,1928,1953]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFDE926F7FD2F15ED" box="[588,654,1928,1954]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" pageId="1" pageNumber="264" unit="mm" value="7.0">7 mm</quantity>
long, red hirsute, tepals 4, white, orbicular to depressed obovate,
<quantity id="076B9B6CFFA4FF8BFAD626F8FF151589" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="10.0" metricValueMin="8.0" pageId="1" pageNumber="264" unit="mm" value="9.0" valueMax="10.0" valueMin="8.0">810 mm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFF5D26D4FEC01589" box="[248,353,1963,1990]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="1.1" metricValueMin="0.9" pageId="1" pageNumber="264" unit="mm" value="10.0" valueMax="11.0" valueMin="9.0">911 mm</quantity>
wide, abaxally red hirsute; ovary trigonous-ellipsoid,
<emphasis id="F2E7EA9BFFA4FF8BFC1226D3FC70158A" box="[951,977,1964,1989]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFC7B26D4FBBC1589" box="[990,1053,1963,1990]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="1" pageNumber="264" unit="mm" value="4.0">4 mm</quantity>
long,
<quantity id="076B9B6CFFA4FF8BFBC426D4FB001589" box="[1121,1185,1963,1990]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="264" unit="mm" value="2.0">2 mm</quantity>
thick (wings excluded), pinkish, sparsely red hirsute; 3-winged, wings unequal, pinkish, triangular, sparsely red hirsute, lateral wings narrower,
<emphasis id="F2E7EA9BFFA4FF8BFF2D268BFF031A42" box="[136,162,2036,2061]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFF17268CFF541A41" box="[178,245,2035,2062]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="264" unit="mm" value="2.0">2 mm</quantity>
wid
<emphasis id="F2E7EA9BFFA4FF8BFE82268BFE9B1A42" box="[295,314,2036,2061]" italics="true" pageId="1" pageNumber="264">e,</emphasis>
abaxial wing
<emphasis id="F2E7EA9BFFA4FF8BFE79268BFE571A42" box="[476,502,2036,2061]" italics="true" pageId="1" pageNumber="264">ca</emphasis>
.
<quantity id="076B9B6CFFA4FF8BFDA3268CFDE81A41" box="[518,585,2035,2062]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="1" pageNumber="264" unit="mm" value="4.0">4 mm</quantity>
wide, margin entire; ovary 2-locular, placenta bilamellate; styles 2, fused at base, yellowish green,
<emphasis id="F2E7EA9BFFA7FF88FE2F21E0FE0D12F7" box="[394,428,159,184]" italics="true" pageId="2" pageNumber="265">ca.</emphasis>
<quantity id="076B9B6CFFA7FF88FE1121E1FE5712F6" box="[436,502,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="4.0" pageId="2" pageNumber="265" unit="mm" value="4.0">4 mm</quantity>
long, stigma spirally twisted.
<emphasis id="F2E7EA9BFFA7FF88FCE921E1FC0D12F7" bold="true" box="[844,940,158,184]" pageId="2" pageNumber="265">Capsule</emphasis>
tepals caducous; capsule trigonous-ellipsoid,
<quantity id="076B9B6CFFA7FF88FF2D21BDFEA11292" box="[136,256,194,221]" metricMagnitude="-2" metricUnit="m" metricValue="1.1" metricValueMax="1.2" metricValueMin="1.0" pageId="2" pageNumber="265" unit="mm" value="11.0" valueMax="12.0" valueMin="10.0">1012 mm</quantity>
long,
<quantity id="076B9B6CFFA7FF88FEE021BDFE031292" box="[325,418,194,221]" metricMagnitude="-3" metricUnit="m" metricValue="4.5" metricValueMax="5.0" metricValueMin="4.0" pageId="2" pageNumber="265" unit="mm" value="4.5" valueMax="5.0" valueMin="4.0">45 mm</quantity>
thick (wings excluded); wings unequal, trapezium, lateral wings
<quantity id="076B9B6CFFA7FF88FBD321BDFB721292" box="[1142,1235,194,221]" metricMagnitude="-3" metricUnit="m" metricValue="3.0" metricValueMax="4.0" metricValueMin="2.0" pageId="2" pageNumber="265" unit="mm" value="3.0" valueMax="4.0" valueMin="2.0">24 mm</quantity>
wide, abaxial wing
<emphasis id="F2E7EA9BFFA7FF88FF2D2198FF03134F" box="[136,162,231,256]" italics="true" pageId="2" pageNumber="265">ca</emphasis>
.
<quantity id="076B9B6CFFA7FF88FF152199FF5E134E" box="[176,255,230,257]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" pageId="2" pageNumber="265" unit="mm" value="10.0">10 mm</quantity>
wide.
</paragraph>
</subSubSection>
<caption id="94EC6601FFA7FF88FF2D26DBFF761A69" ID-DOI="http://doi.org/10.5281/zenodo.5426462" ID-Zenodo-Dep="5426462" httpUri="https://zenodo.org/record/5426462/files/figure.png" pageId="2" pageNumber="265" startId="2.[136,234,1956,1978]" targetBox="[218,1390,325,1890]" targetPageId="2">
<paragraph id="C02C3689FFA7FF88FF2D26DBFF761A69" blockId="2.[136,1452,1956,2086]" pageId="2" pageNumber="265">
<emphasis id="F2E7EA9BFFA7FF88FF2D26DBFEA315F6" bold="true" box="[136,258,1956,1978]" pageId="2" pageNumber="265">FIGURE 2.</emphasis>
<taxonomicName id="07934D0AFFA7FF88FEAD26DBFD7F15F5" authority="T. S. Hoang, C. W. Lin. A. Habit" box="[264,734,1956,1978]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="2" pageNumber="265" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA7FF88FEAD26DBFE1515F5" bold="true" box="[264,436,1956,1978]" italics="true" pageId="2" pageNumber="265">Begonia villosula</emphasis>
T.S.Hoang, C.W.Lin. A. Habit
</taxonomicName>
; B, B. Portion of leaf, upper and lower surface; C. Stipule on rhizome, C. Stipule on erect stem; D, D. Bracts; E, E. Staminate flower, face and side views; F, F. Stamens, ventral and dorsal views; G, G. Pistillate flower, face and side views; H, H. Styles and stigmatic band, dorsal and ventral views; I. Capsule; J. Cross section of an immature capsule.
</paragraph>
</caption>
<caption id="94EC6601FFA6FF89FF2D26F0FE1A1A5E" ID-DOI="http://doi.org/10.5281/zenodo.5426464" ID-Zenodo-Dep="5426464" httpUri="https://zenodo.org/record/5426464/files/figure.png" pageId="3" pageNumber="266" startId="3.[136,234,1935,1957]" targetBox="[151,1436,190,1911]" targetPageId="3">
<paragraph id="C02C3689FFA6FF89FF2D26F0FE1A1A5E" blockId="3.[136,1451,1935,2066]" pageId="3" pageNumber="266">
<emphasis id="F2E7EA9BFFA6FF89FF2D26F0FEA315EA" bold="true" box="[136,258,1935,1957]" pageId="3" pageNumber="266">FIGURE 3.</emphasis>
<taxonomicName id="07934D0AFFA6FF89FEAD26EFFCA815E9" authority="T. S. Hoang &amp; C. W. Lin. A, B. Habit" authorityName="T. S. Hoang &amp; C. W. Lin. A, B. Habit" box="[264,777,1935,1958]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="3" pageNumber="266" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA6FF89FEAD26EFFE1515EA" bold="true" box="[264,436,1935,1957]" italics="true" pageId="3" pageNumber="266">Begonia villosula</emphasis>
T.S.Hoang &amp; C.W.Lin. A, B. Habit
</taxonomicName>
and habitats; C, D. Leaf sections, upper and lower surface; E. Stipules on rhizome; F. Immature inflorescence; G. Stipule on erect stem (lower) and bract (upper); H, I. inflorescences; J. Staminate flowers, face and back views; K. Pistillate flowers, face and back views; L. Cross section of an immature capsule; M. Capsule. All photos from
<emphasis id="F2E7EA9BFFA6FF89FACF26A7FF431A5E" italics="true" pageId="3" pageNumber="266">Hoang Son 3617</emphasis>
by Thanh Son Hoang.
</paragraph>
</caption>
<caption id="94EC6601FFA1FF8EFF2D26F0FD571A5E" ID-DOI="http://doi.org/10.5281/zenodo.5426466" ID-Zenodo-Dep="5426466" httpUri="https://zenodo.org/record/5426466/files/figure.png" pageId="4" pageNumber="267" startId="4.[136,234,1935,1957]" targetBox="[151,1436,190,1911]" targetPageId="4">
<paragraph id="C02C3689FFA1FF8EFF2D26F0FD571A5E" blockId="4.[136,1451,1935,2066]" pageId="4" pageNumber="267">
<emphasis id="F2E7EA9BFFA1FF8EFF2D26F0FEA415EA" bold="true" box="[136,261,1935,1957]" pageId="4" pageNumber="267">FIGURE 4.</emphasis>
<taxonomicName id="07934D0AFFA1FF8EFEAB26EFFDB315EA" authority="A. DC." authorityName="A. DC." box="[270,530,1935,1957]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="267" phylum="Tracheophyta" rank="species" species="thomsonii">
<emphasis id="F2E7EA9BFFA1FF8EFEAB26EFFE6D15EA" bold="true" box="[270,460,1935,1957]" italics="true" pageId="4" pageNumber="267">Begonia thomsonii</emphasis>
A.DC.
</taxonomicName>
(AG). A. Habit; B. Stipules and petioles; C. Abaxial leaf surface and petiole; D. Staminate flowers; E, F. Pistillate flower, showing face and side views; G. Capsule.
<taxonomicName id="07934D0AFFA1FF8EFCE326CBFBE01585" authority="Irmsch." authorityName="Irmsch." box="[838,1089,1971,1994]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="4" pageNumber="267" phylum="Tracheophyta" rank="species" species="villifolia">
<emphasis id="F2E7EA9BFFA1FF8EFCE326CBFC531586" bold="true" box="[838,1010,1971,1993]" italics="true" pageId="4" pageNumber="267">Begonia villifolia</emphasis>
Irmsch.
</taxonomicName>
(HM). H. Leaves; I. Adaxial surface of leaves; J. Stipules, also showing stem and petiole; K, L. Staminate flowers; M. Pistillate flower, showing face and side views. Photos AG from
<emphasis id="F2E7EA9BFFA1FF8EFF542683FEC41A5E" box="[241,357,2044,2065]" italics="true" pageId="4" pageNumber="267">Peng 22310</emphasis>
, HM from
<emphasis id="F2E7EA9BFFA1FF8EFE7B2683FDF01A5E" box="[478,593,2044,2065]" italics="true" pageId="4" pageNumber="267">Peng 17629</emphasis>
by Ching-I Peng
</paragraph>
</caption>
<subSubSection id="88896502FFA0FF8FFF2D21E2FB7F13DF" pageId="5" pageNumber="268" type="distribution">
<paragraph id="C02C3689FFA0FF8FFF2D21E2FE1612F7" blockId="5.[136,439,157,184]" box="[136,439,157,184]" pageId="5" pageNumber="268">
<heading id="9B6481E5FFA0FF8FFF2D21E2FE1612F7" bold="true" box="[136,439,157,184]" fontSize="11" level="1" pageId="5" pageNumber="268" reason="1">
<emphasis id="F2E7EA9BFFA0FF8FFF2D21E2FE1612F7" bold="true" box="[136,439,157,184]" pageId="5" pageNumber="268">Distribution and ecology:</emphasis>
</heading>
</paragraph>
<paragraph id="C02C3689FFA0FF8FFF2D2199FB7F13DF" blockId="5.[136,1452,230,940]" pageId="5" pageNumber="268">
<location id="C54C6052FFA0FF8FFF2D2199FF15134F" LSID="urn:lsid:plazi:treatment:483A879FFFA5FF8FFF2D26F0FAAE11E3:C54C6052FFA0FF8FFF2D2199FF15134F" box="[136,180,230,256]" country="Vietnam" county="The" municipality="Central Highlands" name="The" pageId="5" pageNumber="268" stateProvince="Quang Nam">The</location>
new species is currently known only in
<location id="C54C6052FFA0FF8FFD2B2199FCD6134F" LSID="urn:lsid:plazi:treatment:483A879FFFA5FF8FFF2D26F0FAAE11E3:C54C6052FFA0FF8FFD2B2199FCD6134F" box="[654,887,230,256]" country="Vietnam" county="The" municipality="Central Highlands" name="Tra Giap Commune" pageId="5" pageNumber="268" stateProvince="Quang Nam">Tra Giap Commune</location>
,
<location id="C54C6052FFA0FF8FFC212199FBD0134F" LSID="urn:lsid:plazi:treatment:483A879FFFA5FF8FFF2D26F0FAAE11E3:C54C6052FFA0FF8FFC212199FBD0134F" box="[900,1137,230,256]" country="Vietnam" county="The" municipality="Central Highlands" name="Bac Tra My District" pageId="5" pageNumber="268" stateProvince="Quang Nam">Bac Tra My District</location>
,
<collectingRegion id="0257F86BFFA0FF8FFBDA2199FADA134F" box="[1151,1403,230,256]" country="Vietnam" name="Quang Nam" pageId="5" pageNumber="268">Quang Nam Province</collectingRegion>
, the
<collectingMunicipality id="2048ACF3FFA0FF8FFF2D2075FEF7136B" box="[136,342,266,292]" pageId="5" pageNumber="268">Central Highlands</collectingMunicipality>
of
<collectingCountry id="B8847619FFA0FF8FFED82075FE7E136B" box="[381,479,266,292]" name="Vietnam" pageId="5" pageNumber="268">Vietnam</collectingCountry>
, and probably also occurs in its adjacent areas.
<collectingCounty id="294D4E05FFA0FF8FFC582075FB88136B" box="[1021,1065,266,292]" pageId="5" pageNumber="268">The</collectingCounty>
new species grows on the humid, moist rocky in broad-leaved evergreen forests, at
<emphasis id="F2E7EA9BFFA0FF8FFD022050FD681307" box="[679,713,303,328]" italics="true" pageId="5" pageNumber="268">ca.</emphasis>
<quantity id="076B9B6CFFA0FF8FFD6B2051FCB21307" box="[718,787,302,328]" metricMagnitude="2" metricUnit="m" metricValue="7.02" pageId="5" pageNumber="268" unit="m" value="702.0">
<elevation id="4BBED1BAFFA0FF8FFD6B2051FCB21307" box="[718,787,302,328]" metricMagnitude="2" metricUnit="m" metricValue="7.02" pageId="5" pageNumber="268" unit="m" value="702.0">702 m</elevation>
</quantity>
elevation, together with the dominant plants of
<taxonomicName id="07934D0AFFA0FF8FFABA2051FA0A1307" box="[1311,1451,302,328]" class="Liliopsida" family="Orchidaceae" kingdom="Plantae" order="Asparagales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="family">Orchidaceae</taxonomicName>
(
<taxonomicName id="07934D0AFFA0FF8FFF34202DFE4D1323" authority="Hance" authorityName="Hance" box="[145,492,338,364]" class="Liliopsida" family="Orchidaceae" genus="Habenaria" kingdom="Plantae" order="Asparagales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="rhodocheila">
<emphasis id="F2E7EA9BFFA0FF8FFF34202DFE381323" box="[145,409,338,364]" italics="true" pageId="5" pageNumber="268">Habenaria rhodocheila</emphasis>
Hance
</taxonomicName>
),
<taxonomicName id="07934D0AFFA0FF8FFE5B202DFDD21323" box="[510,627,338,364]" class="Magnoliopsida" family="Rubiaceae" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="family">Rubiaceae</taxonomicName>
(
<taxonomicName id="07934D0AFFA0FF8FFD26202DFC981323" box="[643,825,338,364]" class="Magnoliopsida" family="Rubiaceae" genus="Argostemma" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFD26202DFCB11323" box="[643,784,338,364]" italics="true" pageId="5" pageNumber="268">Argostemma</emphasis>
sp.
</taxonomicName>
,
<taxonomicName id="07934D0AFFA0FF8FFCE0202DFC461323" box="[837,999,338,364]" class="Magnoliopsida" family="Rubiaceae" genus="Lasianthus" kingdom="Plantae" order="Gentianales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFCE0202DFC611323" box="[837,960,338,364]" italics="true" pageId="5" pageNumber="268">Lasianthus</emphasis>
sp.
</taxonomicName>
),
<taxonomicName id="07934D0AFFA0FF8FFC5B202DFBD71323" box="[1022,1142,338,364]" class="Magnoliopsida" family="Urticaceae" kingdom="Plantae" order="Rosales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="family">Urticaceae</taxonomicName>
(
<taxonomicName id="07934D0AFFA0FF8FFB23202DFA8C1323" box="[1158,1325,338,364]" class="Magnoliopsida" family="Urticaceae" genus="Elatostema" kingdom="Plantae" order="Rosales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFB23202DFAA51323" box="[1158,1284,338,364]" italics="true" pageId="5" pageNumber="268">Elatostema</emphasis>
sp.
</taxonomicName>
,
<taxonomicName id="07934D0AFFA0FF8FFA9C202DFA3C1323" box="[1337,1437,338,364]" class="Magnoliopsida" family="Urticaceae" genus="Pilea" kingdom="Plantae" order="Rosales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFA9C202DFAD51323" box="[1337,1396,338,364]" italics="true" pageId="5" pageNumber="268">Pilea</emphasis>
sp.
</taxonomicName>
),
<taxonomicName id="07934D0AFFA0FF8FFF2D2009FE8A13DF" box="[136,299,374,400]" class="Polypodiopsida" family="Polypodiaceae" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="family">Polypodiaceae</taxonomicName>
(
<taxonomicName id="07934D0AFFA0FF8FFE992008FE4F13DF" box="[316,494,374,400]" class="Polypodiopsida" family="Polypodiaceae" genus="Microsorum" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFE992008FE6413DF" box="[316,453,375,400]" italics="true" pageId="5" pageNumber="268">Microsorum</emphasis>
sp.
</taxonomicName>
,
<taxonomicName id="07934D0AFFA0FF8FFE5F2009FD0B13DF" box="[506,682,374,400]" class="Polypodiopsida" family="Polypodiaceae" genus="Polypodium" kingdom="Plantae" order="Polypodiales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFE5F2009FD2013DF" box="[506,641,374,400]" italics="true" pageId="5" pageNumber="268">Polypodium</emphasis>
sp.
</taxonomicName>
), and Melastomaceae (
<taxonomicName id="07934D0AFFA0FF8FFC082009FB9413DF" box="[941,1077,374,400]" class="Magnoliopsida" family="Melastomataceae" genus="Sonerila" kingdom="Plantae" order="Myrtales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFC082009FBAD13DF" box="[941,1036,374,400]" italics="true" pageId="5" pageNumber="268">Sonerila</emphasis>
sp.
</taxonomicName>
,
<taxonomicName id="07934D0AFFA0FF8FFBE42009FB7413DF" box="[1089,1237,374,400]" class="Magnoliopsida" family="Melastomataceae" genus="Medinilla" kingdom="Plantae" order="Myrtales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="undetermined">
<emphasis id="F2E7EA9BFFA0FF8FFBE42009FB0F13DF" box="[1089,1198,374,400]" italics="true" pageId="5" pageNumber="268">Medinilla</emphasis>
sp.
</taxonomicName>
)
</paragraph>
</subSubSection>
<subSubSection id="88896502FFA0FF8FFF1820E5FB2A13FB" box="[189,1163,410,436]" pageId="5" pageNumber="268" type="etymology">
<paragraph id="C02C3689FFA0FF8FFF1820E5FB2A13FB" blockId="5.[136,1452,230,940]" box="[189,1163,410,436]" pageId="5" pageNumber="268">
<emphasis id="F2E7EA9BFFA0FF8FFF1820E5FE9F13FB" bold="true" box="[189,318,410,436]" pageId="5" pageNumber="268">Etymology</emphasis>
: The specific epithet
<taxonomicName id="07934D0AFFA0FF8FFD9F20E5FD3B13FB" box="[570,666,410,436]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA0FF8FFD9F20E5FD3B13FB" box="[570,666,410,436]" italics="true" pageId="5" pageNumber="268">villosula</emphasis>
</taxonomicName>
referring to the hairy leaves of this species.
</paragraph>
</subSubSection>
<subSubSection id="88896502FFA0FF8FFF1820C2FCD6100B" pageId="5" pageNumber="268" type="conservation">
<paragraph id="C02C3689FFA0FF8FFF1820C2FCD6100B" blockId="5.[136,1452,230,940]" pageId="5" pageNumber="268">
<emphasis id="F2E7EA9BFFA0FF8FFF1820C2FEFC1398" bold="true" box="[189,349,445,471]" pageId="5" pageNumber="268">Conservation</emphasis>
:
<taxonomicName id="07934D0AFFA0FF8FFEC920C0FD901397" box="[364,561,446,472]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA0FF8FFEC920C0FD901397" box="[364,561,446,472]" italics="true" pageId="5" pageNumber="268">Begonia villosula</emphasis>
</taxonomicName>
has been collected in only one location from the
<typeStatus id="1F28882BFFA0FF8FFBE820C1FBDC1397" box="[1101,1149,446,472]" pageId="5" pageNumber="268">type</typeStatus>
locality. However, the
<typeStatus id="1F28882BFFA0FF8FFADE20C1FA0A1397" box="[1403,1451,446,472]" pageId="5" pageNumber="268">type</typeStatus>
locality is located in the protection forest in Tra Giap Commune and any strong pressure has not been observed on the species. Thus, the species should be considered Vulnerable (VUD2) category is appropriate according to the guidelines for using the IUCN Red List Categories and Criteria (
<bibRefCitation id="A4024B78FFA0FF8FFD442355FCCA100B" author="IUCN Standards &amp; Petitions Subcommittee" box="[737,875,554,580]" pageId="5" pageNumber="268" refId="ref4414" 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 6 January 2021)" type="url" year="2019">IUCN 2019</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="88896502FFA0FF8FFF182331FAAE11E3" pageId="5" pageNumber="268" type="discussion">
<paragraph id="C02C3689FFA0FF8FFF182331FAAE11E3" blockId="5.[136,1452,230,940]" pageId="5" pageNumber="268">
<emphasis id="F2E7EA9BFFA0FF8FFF182331FEA81027" bold="true" box="[189,265,590,616]" pageId="5" pageNumber="268">Notes:</emphasis>
<taxonomicName id="07934D0AFFA0FF8FFEB42330FE741027" box="[273,469,590,616]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA0FF8FFEB42330FE741027" box="[273,469,590,616]" italics="true" pageId="5" pageNumber="268">Begonia villosula</emphasis>
</taxonomicName>
resembles
<taxonomicName id="07934D0AFFA0FF8FFDF62330FC1D1027" authority="A. DC. (1859: 134)" authorityName="A. DC." authorityPageNumber="134" authorityYear="1859" box="[595,956,590,617]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="thomsonii">
<emphasis id="F2E7EA9BFFA0FF8FFDF62330FD401027" box="[595,737,590,616]" italics="true" pageId="5" pageNumber="268">B. thomsonii</emphasis>
A.DC. (1859: 134)
</taxonomicName>
, which belongs to the same section and also occurs in Indochine. The two species are similar in their ovate, hairy leaves and hairy inflorescence arising directly from a short aerial stem, yet
<taxonomicName id="07934D0AFFA0FF8FFE6B23E8FDEF10FF" box="[462,590,662,688]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA0FF8FFE6B23E8FDEF10FF" box="[462,590,662,688]" italics="true" pageId="5" pageNumber="268">B. villosula</emphasis>
</taxonomicName>
differs from
<taxonomicName id="07934D0AFFA0FF8FFD4323E8FCD510FF" box="[742,884,662,688]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="thomsonii">
<emphasis id="F2E7EA9BFFA0FF8FFD4323E8FCD510FF" box="[742,884,662,688]" italics="true" pageId="5" pageNumber="268">B. thomsonii</emphasis>
</taxonomicName>
(
<figureCitation id="58A82A0CFFA0FF8FFC2123E9FC6910FF" box="[900,968,662,688]" captionStart="FIGURE 4" captionStartId="4.[136,234,1935,1957]" captionTargetBox="[151,1436,190,1911]" captionTargetId="figure-25@4.[151,1436,190,1911]" captionTargetPageId="4" captionText="FIGURE 4. Begonia thomsonii A.DC. (AG). A. Habit; B. Stipules and petioles; C. Abaxial leaf surface and petiole; D. Staminate flowers; E, F. Pistillate flower, showing face and side views; G. Capsule. Begonia villifolia Irmsch. (HM). H. Leaves; I. Adaxial surface of leaves; J. Stipules, also showing stem and petiole; K, L. Staminate flowers; M. Pistillate flower, showing face and side views. Photos AG from Peng 22310, HM from Peng 17629 by Ching-I Peng" figureDoi="http://doi.org/10.5281/zenodo.5426466" httpUri="https://zenodo.org/record/5426466/files/figure.png" pageId="5" pageNumber="268">Fig. 4</figureCitation>
) in its leaves upper surface with minutely raised cones topped (vs. relatively flat), a white hirsute (vs. villous) top, leaf margins crenate to crenulate (vs. entire with teeth at end of veins to denticulate), stamens 80120 (vs. 3570), pistillate flower 4-tepaled (vs. 5-tepaled) and ovary hirsute (vs. villous). In its hairy foliage, 4-tepaled staminate flower and 5-tepaled flower, ovary 2-loculate with three unequal wings.
<taxonomicName id="07934D0AFFA0FF8FFED82258FDE2110F" box="[381,579,806,832]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villosula">
<emphasis id="F2E7EA9BFFA0FF8FFED82258FDE2110F" box="[381,579,806,832]" italics="true" pageId="5" pageNumber="268">Begonia villosula</emphasis>
</taxonomicName>
also resembles
<taxonomicName id="07934D0AFFA0FF8FFD5E2258FBFA110F" authority="Irmsch. (1951: 43)" authorityName="Irmsch." authorityPageNumber="43" authorityYear="1951" box="[763,1115,806,833]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villifolia">
<emphasis id="F2E7EA9BFFA0FF8FFD5E2258FCDB110F" box="[763,890,806,832]" italics="true" pageId="5" pageNumber="268">B. villifolia</emphasis>
Irmsch. (1951: 43)
</taxonomicName>
. However, the new species is clearly distinct from
<taxonomicName id="07934D0AFFA0FF8FFECB2234FE4A112B" box="[366,491,842,868]" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" kingdom="Plantae" order="Cucurbitales" pageId="5" pageNumber="268" phylum="Tracheophyta" rank="species" species="villifolia">
<emphasis id="F2E7EA9BFFA0FF8FFECB2234FE4A112B" box="[366,491,842,868]" italics="true" pageId="5" pageNumber="268">B. villifolia</emphasis>
</taxonomicName>
in its aerial stems being seen only at anthesis (vs. persistent), stem shorter (up to
<emphasis id="F2E7EA9BFFA0FF8FFACD2234FA23112B" box="[1384,1410,843,868]" italics="true" pageId="5" pageNumber="268">ca</emphasis>
.
<quantity id="076B9B6CFFA0FF8FFA2A2235FF0B11C7" metricMagnitude="-1" metricUnit="m" metricValue="1.0" pageId="5" pageNumber="268" unit="cm" value="10.0">10 cm</quantity>
vs. to
<quantity id="076B9B6CFFA0FF8FFF512211FE9D11C7" box="[244,316,878,904]" metricMagnitude="-1" metricUnit="m" metricValue="8.0" pageId="5" pageNumber="268" unit="cm" value="80.0">80 cm</quantity>
), leaf margins crenate to crenulate (vs. irregularly serrate) and unlobed (vs. shallowly lobed), stamens 80120 (vs.
<emphasis id="F2E7EA9BFFA0FF8FFEB622ECFE8C11E3" box="[275,301,915,940]" italics="true" pageId="5" pageNumber="268">ca</emphasis>
. 400). A comparison of the salient characters of the three species is presented in
<tableCitation id="8D110332FFA0FF8FFB1022EDFAAE11E3" box="[1205,1295,914,940]" captionStart-0="TABLE 1" captionStart-1="TABLE 2" captionStartId-0="5.[136,229,985,1011]" captionStartId-1="10.[136,229,950,976]" captionTargetPageId-0="5" captionTargetPageId-1="10" captionText-0="TABLE 1. Comparison of Begonia villosula T.S.Hoang &amp; C.W.Lin, thomsonii A. DC. and B. villifolia Irmsch." captionText-1="TABLE 2. Comparison of Begonia lophura T.S.Hoang &amp; C.W.Lin, B. menglianensis Y.Y.Qian and B. pavonina Ridley." pageId="5" pageNumber="268">Table 1.</tableCitation>
</paragraph>
</subSubSection>
</treatment>
</document>