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<document id="F8B10B32FAA530DA505D6F4B4CF7ECD2" ID-CLB-Dataset="302492" ID-DOI="10.11646/phytotaxa.338.1.5" ID-GBIF-Dataset="5b7e8fd8-9377-44e6-8dac-c08c03c583d4" ID-ISSN="1179-3163" ID-Zenodo-Dep="13719055" IM.bibliography_approvedBy="felipe" IM.illustrations_approvedBy="felipe" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="GgImagineBatch" IM.taxonomicNames_approvedBy="felipe" IM.treatmentCitations_approvedBy="felipe" IM.treatments_approvedBy="felipe" checkinTime="1725655798936" checkinUser="felipe" docAuthor="Ruchisansakun, Saroj, Suksathan, Piyakaset, Niet, Timotheüs Van Der, Smets, Erik F. &amp; Janssens, Steven B." docDate="2018" docId="F61587A6FFBFB22CFF7467399ECBD9C1" docLanguage="en" docName="phytotaxa.338.1.5.pdf" docOrigin="Phytotaxa 338 (1)" docSource="http://dx.doi.org/10.11646/phytotaxa.338.1.5" docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article" docStyleId="96748F8F1B6C902996E134952A3A36B9" docStyleName="Phytotaxa.2014-.journal_article" docStyleVersion="13" docTitle="Impatiens decurva Ruchis. &amp; S. B. Janssens 2018, sp. nov." docType="treatment" docVersion="2" lastPageNumber="67" masterDocId="0A2CFFDEFFBEB228FFFC630F9A74D818" masterDocTitle="Three new species of Impatiens (Balsaminaceae) from Myanmar" masterLastPageNumber="74" masterPageNumber="63" pageNumber="64" updateTime="1725666919630" updateUser="ExternalLinkService" zenodo-license-figures="UNSPECIFIED" zenodo-license-treatments="UNSPECIFIED">
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<mods:title id="99C7DFE8A23EE293B692F895E2EAA7A6">Three new species of Impatiens (Balsaminaceae) from Myanmar</mods:title>
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<mods:namePart id="3FD6C0A384971CD8469C50AD10B5A169">Ruchisansakun, Saroj</mods:namePart>
<mods:affiliation id="81D1E1714A1B83AAED8C84B1F50F0FDE">Naturalis Biodiversity Center, PO Box 9517, 2300 RA, Leiden, The Netherlands. &amp; Leiden University, PO Box 9517, 2300 RA, Leiden, The Netherlands.</mods:affiliation>
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<mods:namePart id="4552A5DB89CA37914E712F4C47B30B49">Suksathan, Piyakaset</mods:namePart>
<mods:affiliation id="2BC3A5B1A68D1C5055738B5FDA565371">Queen Sirikit Botanic Garden, The Botanical Garden Organization, Chiang Mai, Thailand.</mods:affiliation>
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<mods:namePart id="30AEA20387C47FB6961F52C503D6BD11">Niet, Timotheüs Van Der</mods:namePart>
<mods:affiliation id="3D872951115BC89239E22349A7175EA6">School of Life Sciences, University of KwaZulu-Natal, P. Bag X 01, 3209, Scottsville, South Africa. &amp; Naturalis Biodiversity Center, PO Box 9517, 2300 RA, Leiden, The Netherlands.</mods:affiliation>
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<mods:affiliation id="1C99D994C8CF6C71F8215A4C7EEA5CB8">Naturalis Biodiversity Center, PO Box 9517, 2300 RA, Leiden, The Netherlands. &amp; Leiden University, PO Box 9517, 2300 RA, Leiden, The Netherlands. &amp; Myanmar Floriculturist Association, 42 A, Inya Myaing Road, Yangon, Myanmar.</mods:affiliation>
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<mods:namePart id="4A7E6AEDFD91DAA4EB88E50B7007013B">Janssens, Steven B.</mods:namePart>
<mods:affiliation id="A9506DA5C9DBE5F8753F23AA2026C6A2">Botanic Garden Meise, Nieuwelaan 38, BE- 1860, Meise, Belgium.</mods:affiliation>
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<emphasis id="4CC8EAA2FFBFB229FF7467399AEADC57" bold="true" box="[136,158,1078,1103]" pageId="1" pageNumber="64">1.</emphasis>
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<emphasis id="4CC8EAA2FFBFB229FF58673B9B0EDC57" bold="true" box="[164,378,1076,1103]" italics="true" pageId="1" pageNumber="64">Impatiens decurva</emphasis>
Ruchis. &amp; S.B. Janssens
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, 
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(
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, 
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)
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<taxonomicName id="B9BC4D33FFBFB229FF746753985CDC69" authority="Ruchis. &amp; S. B. Janssens" authorityName="Ruchis. &amp; S. B. Janssens" box="[136,552,1116,1137]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="1" pageNumber="64" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBFB229FF7467539B4DDC69" box="[136,313,1116,1137]" italics="true" pageId="1" pageNumber="64">Impatiens decurva</emphasis>
Ruchis. &amp; S.B. Janssens
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is similar to 
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<emphasis id="4CC8EAA2FFBFB229FD5F675398DFDC69" box="[675,683,1116,1137]" italics="true" pageId="1" pageNumber="64">I</emphasis>
. 
<emphasis id="4CC8EAA2FFBFB229FD4B67539970DC69" box="[695,772,1116,1137]" italics="true" pageId="1" pageNumber="64">pendula</emphasis>
B. Heyne ex Wight &amp; Arn. (1834: 136)
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but differs in having congested leaves towards the stem apex, a pilose midrib on the dorsal petal, pink lateral united petals with a white base, an unequally bilobed apex of the lower lateral united petals, and a strongly decurved pedicel in fruiting stage.
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Type:— 
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.
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: Kalaw, 
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, 
<date id="0A021070FFBFB229FC9667C7999BDCC5" box="[874,1007,1224,1245]" pageId="1" pageNumber="64" value="2015-09-27">27 Sep. 2015</date>
, 
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. 
<emphasis id="4CC8EAA2FFBFB229FBEA67C79ED3DCC5" box="[1046,1191,1224,1245]" italics="true" pageId="1" pageNumber="64">Ruchisansakun</emphasis>
&amp; 
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Makino 
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Exped.734
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(
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!, 
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!, 
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!, 
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!).
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<paragraph id="7E0336B0FFBFB229FF74663D99C0DF93" blockId="1.[136,1452,1330,2075]" pageId="1" pageNumber="64">
Lithophytic annual 
<emphasis id="4CC8EAA2FFBFB229FE99663D9BECDD53" box="[357,408,1330,1355]" italics="true" pageId="1" pageNumber="64">herb</emphasis>
<quantity id="B9449B55FFBFB229FE5C663D9876DD53" box="[416,514,1330,1355]" metricMagnitude="-1" metricUnit="m" metricValue="1.8" metricValueMax="3.0" metricValueMin="0.6" pageId="1" pageNumber="64" unit="cm" value="18.0" valueMax="30.0" valueMin="6.0">6–30 cm</quantity>
tall. 
<emphasis id="4CC8EAA2FFBFB229FDC0663D9806DD53" box="[572,626,1330,1355]" italics="true" pageId="1" pageNumber="64">Stem</emphasis>
erect, 
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in diam., cylindrical, simple to moderately branched, red, glabrous. 
<emphasis id="4CC8EAA2FFBFB229FF0466599B32DD77" box="[248,326,1366,1391]" italics="true" pageId="1" pageNumber="64">Leaves</emphasis>
spirally arranged, mostly crowded towards the apex of stem. 
<emphasis id="4CC8EAA2FFBFB229FBF966599E20DD77" box="[1029,1108,1366,1391]" italics="true" pageId="1" pageNumber="64">Petiole</emphasis>
absent or to 
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long, ca. 
<quantity id="B9449B55FFBFB229FA6166599AC0DD8B" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="64" unit="mm" value="1.0">1 mm</quantity>
in diam., pale green to green to pink, glabrous. 
<taxonomicName id="B9BC4D33FFBFB229FD346675996ADD8B" box="[712,798,1402,1427]" class="Arachnida" family="Toxopidae" genus="Lamina" kingdom="Animalia" order="Araneae" pageId="1" pageNumber="64" phylum="Arthropoda" rank="genus">
<emphasis id="4CC8EAA2FFBFB229FD346675996ADD8B" box="[712,798,1402,1427]" italics="true" pageId="1" pageNumber="64">Lamina</emphasis>
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10–40 × 
<quantity id="B9449B55FFBFB229FC7B66759987DD8B" box="[903,1011,1402,1427]" metricMagnitude="-2" metricUnit="m" metricValue="1.0" metricValueMax="1.5" metricValueMin="0.5" pageId="1" pageNumber="64" unit="mm" value="10.0" valueMax="15.0" valueMin="5.0">5–15 mm</quantity>
, ovate to elliptic to obovate, apex acute to acuminate, base cuneate to attenuate, margin shallowly serrate, adaxial surface green, margin pilose, abaxial surface pale green and glabrous, with 3–5 long red hairs along the margin near the base; lateral veins 3–5 pairs, adaxially pilose. 
<emphasis id="4CC8EAA2FFBFB229FF2466E99B40DDE7" box="[216,308,1510,1535]" italics="true" pageId="1" pageNumber="64">Flowers</emphasis>
solitary, axillary, erect, 10–11 × 
<quantity id="B9449B55FFBFB229FD6266E9997EDDE7" box="[670,778,1510,1535]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="10.0" metricValueMin="8.0" pageId="1" pageNumber="64" unit="mm" value="9.0" valueMax="10.0" valueMin="8.0">8–10 mm</quantity>
, 
<quantity id="B9449B55FFBFB229FCE866E99904DDE7" box="[788,880,1510,1535]" metricMagnitude="-3" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" pageId="1" pageNumber="64" unit="mm" value="7.0" valueMax="8.0" valueMin="6.0">6–8 mm</quantity>
deep, pale pink and white, with two yellow spots at center. 
<emphasis id="4CC8EAA2FFBFB229FF2565059B56DE3B" box="[217,290,1546,1571]" italics="true" pageId="1" pageNumber="64">Bracts</emphasis>
&lt;1 × &lt;
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, linear to narrowly lanceolate, the apex acute and mucronate, base cuneate, green with red apex, persistent. 
<emphasis id="4CC8EAA2FFBFB229FEBF65219BE3DE5F" box="[323,407,1582,1607]" italics="true" pageId="1" pageNumber="64">Pedicel</emphasis>
<quantity id="B9449B55FFBFB229FE6265219862DE5F" box="[414,534,1582,1607]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" pageId="1" pageNumber="64" unit="mm" value="12.5" valueMax="15.0" valueMin="10.0">10–15 mm</quantity>
long, &lt;
<quantity id="B9449B55FFBFB229FD93652198D8DE5F" box="[623,684,1582,1607]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="64" unit="mm" value="1.0">1 mm</quantity>
in diam., pale green, pilose. 
<emphasis id="4CC8EAA2FFBFB229FC1065219EFFDE5F" box="[1004,1163,1582,1607]" italics="true" pageId="1" pageNumber="64">Lateral sepals</emphasis>
2, &lt;1 × 
<quantity id="B9449B55FFBFB229FB1465219F5FDE5F" box="[1256,1323,1582,1607]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="64" unit="mm" value="1.0">1 mm</quantity>
, free, ovate to lanceolate, apex acute, base obtuse, pale green with red tip, glabrous. 
<emphasis id="4CC8EAA2FFBFB229FC51655D9E42DE73" box="[941,1078,1618,1643]" italics="true" pageId="1" pageNumber="64">Lower sepal</emphasis>
4–5 × 
<quantity id="B9449B55FFBFB229FB78655D9E83DE73" box="[1156,1271,1618,1643]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="1" pageNumber="64" unit="mm" value="2.75" valueMax="3.0" valueMin="2.5">2.5–3 mm</quantity>
, ca. 
<quantity id="B9449B55FFBFB229FAD5655D9F1DDE73" box="[1321,1385,1618,1643]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="64" unit="mm" value="2.0">2 mm</quantity>
deep, navicular, apex acuminate and mucronate, white with red tip, pilose outside, spurless. 
<emphasis id="4CC8EAA2FFBFB229FBA865799E95DE97" box="[1108,1249,1654,1679]" italics="true" pageId="1" pageNumber="64">Dorsal petal</emphasis>
4–5 × 
<quantity id="B9449B55FFBFB229FACE65799FD3DE97" box="[1330,1447,1654,1679]" metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="5.5" metricValueMin="5.0" pageId="1" pageNumber="64" unit="mm" value="5.25" valueMax="5.5" valueMin="5.0">5–5.5 mm</quantity>
, broadly ovate, cucullate, apex round and slightly mucronate, base truncate to shallowly cordate, white, mostly glabrous but pilose on midrib, abaxial midvein simple or with narrow crest, ca. 
<quantity id="B9449B55FFBFB229FC7365B199BBDECF" box="[911,975,1726,1751]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="64" unit="mm" value="1.0">1 mm</quantity>
wide, green. 
<emphasis id="4CC8EAA2FFBFB229FB9F65B19F3EDECF" box="[1123,1354,1726,1751]" italics="true" pageId="1" pageNumber="64">Lateral united petals</emphasis>
<quantity id="B9449B55FFBFB229FAAC65B19FD8DECF" box="[1360,1452,1726,1751]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" metricValueMax="9.0" metricValueMin="7.0" pageId="1" pageNumber="64" unit="mm" value="8.0" valueMax="9.0" valueMin="7.0">7–9 mm</quantity>
long, free: upper petals 4.5–5 × 
<quantity id="B9449B55FFBFB229FE1065ED9814DEE3" box="[492,608,1762,1787]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="1" pageNumber="64" unit="mm" value="2.75" valueMax="3.0" valueMin="2.5">2.5–3 mm</quantity>
, ovate, apex round, base cuneate, white to pale pink; the lower petals 6–7 × 
<quantity id="B9449B55FFBFB229FF7464099A8FDF07" box="[136,251,1798,1823]" metricMagnitude="-3" metricUnit="m" metricValue="3.75" metricValueMax="4.0" metricValueMin="3.5" pageId="1" pageNumber="64" unit="mm" value="3.75" valueMax="4.0" valueMin="3.5">3.5–4 mm</quantity>
, free, elliptic to obovate, apex unequally bilobed, pink, each with a yellow spot at base. 
<emphasis id="4CC8EAA2FFBFB229FB3864099F55DF07" box="[1220,1313,1798,1823]" italics="true" pageId="1" pageNumber="64">Stamens</emphasis>
5: filaments ca. 
<quantity id="B9449B55FFBFB229FF5364259B71DF5B" box="[175,261,1834,1859]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" pageId="1" pageNumber="64" unit="mm" value="2.5">2.5 mm</quantity>
long, white to pale pink; anthers pale pink. 
<emphasis id="4CC8EAA2FFBFB229FD1364259941DF5B" box="[751,821,1834,1859]" italics="true" pageId="1" pageNumber="64">Ovary</emphasis>
<quantity id="B9449B55FFBFB229FCC064259909DF5B" box="[828,893,1834,1859]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="64" unit="mm" value="2.0">2 mm</quantity>
long, &lt;
<quantity id="B9449B55FFBFB229FC2A64259E67DF5B" box="[982,1043,1834,1859]" metricMagnitude="-3" metricUnit="m" metricValue="1.0" pageId="1" pageNumber="64" unit="mm" value="1.0">1 mm</quantity>
in diam., 5-carpellate, green, pilose. 
<emphasis id="4CC8EAA2FFBFB229FF7464419AB8DF7F" box="[136,204,1870,1895]" italics="true" pageId="1" pageNumber="64">Fruits</emphasis>
<quantity id="B9449B55FFBFB229FF2F64419B4ADF7F" box="[211,318,1870,1895]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" metricValueMax="10.0" metricValueMin="8.0" pageId="1" pageNumber="64" unit="mm" value="9.0" valueMax="10.0" valueMin="8.0">8–10 mm</quantity>
long, 
<quantity id="B9449B55FFBFB229FE7864419B82DF7F" box="[388,502,1870,1895]" metricMagnitude="-3" metricUnit="m" metricValue="2.75" metricValueMax="3.0" metricValueMin="2.5" pageId="1" pageNumber="64" unit="mm" value="2.75" valueMax="3.0" valueMin="2.5">2.5–3 mm</quantity>
in diam., short fusiform, 5–lobed, green, pilose; pedicel strongly decurved in middle during fruiting stage. 
<emphasis id="4CC8EAA2FFBFB229FE87647D9BCFDF93" box="[379,443,1906,1931]" italics="true" pageId="1" pageNumber="64">Seeds</emphasis>
ca. 
<quantity id="B9449B55FFBFB229FE14647D985DDF93" box="[488,553,1906,1931]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="1" pageNumber="64" unit="mm" value="2.0">2 mm</quantity>
long, ovoid, 9–11 per fruit, brown.
</paragraph>
<paragraph id="7E0336B0FFBFB229FF4164999987DFB7" blockId="1.[136,1452,1330,2075]" box="[189,1011,1942,1967]" pageId="1" pageNumber="64">
<emphasis id="4CC8EAA2FFBFB229FF4164999B2BDFB7" bold="true" box="[189,351,1942,1967]" pageId="1" pageNumber="64">Phenology:—</emphasis>
Flowering from September to October; fruiting in October.
</paragraph>
</subSubSection>
<subSubSection id="36A6653BFFBFB229FF4164B59975DFCB" box="[189,769,1978,2003]" pageId="1" pageNumber="64" type="distribution">
<paragraph id="7E0336B0FFBFB229FF4164B59975DFCB" blockId="1.[136,1452,1330,2075]" box="[189,769,1978,2003]" pageId="1" pageNumber="64">
<emphasis id="4CC8EAA2FFBFB229FF4164B59B01DFCB" bold="true" box="[189,373,1978,2003]" pageId="1" pageNumber="64">Distribution:—</emphasis>
Endemic to 
<collectingCountry id="06AB7620FFBFB229FE0064B5981DDFCB" box="[508,617,1978,2003]" name="Myanmar" pageId="1" pageNumber="64">Myanmar</collectingCountry>
(
<collectingRegion id="BC78F852FFBFB229FD8464B59882DFCB" box="[632,758,1978,2003]" country="Myanmar" name="Shan" pageId="1" pageNumber="64">Shan State</collectingRegion>
).
</paragraph>
</subSubSection>
<subSubSection id="36A6653BFFBFB22BFF4164D19BD0DF23" lastPageId="3" lastPageNumber="66" pageId="1" pageNumber="64" type="biology_ecology">
<paragraph id="7E0336B0FFBFB229FF4164D19B67D003" blockId="1.[136,1452,1330,2075]" pageId="1" pageNumber="64">
<emphasis id="4CC8EAA2FFBFB229FF4164D19B35DFEF" bold="true" box="[189,321,2014,2039]" pageId="1" pageNumber="64">Ecology:—</emphasis>
Growing in limestone soils on a mountain summit in open, fragmented evergreen forest, 
<quantity id="B9449B55FFBFB229FAD264D19AEAD003" metricMagnitude="3" metricUnit="m" metricValue="1.55" metricValueMax="1.6" metricValueMin="1.5" pageId="1" pageNumber="64" unit="m" value="1550.0" valueMax="1600.0" valueMin="1500.0">1500–1600 m</quantity>
elevation.
</paragraph>
<caption id="2AC36638FFBCB22AFF7464719E59DFAF" ID-DOI="http://doi.org/10.5281/zenodo.13719057" ID-Zenodo-Dep="13719057" httpUri="https://zenodo.org/record/13719057/files/figure.png" pageId="2" pageNumber="65" startId="2.[136,229,1918,1939]" targetBox="[178,1409,280,1810]" targetPageId="2" targetType="figure">
<paragraph id="7E0336B0FFBCB22AFF7464719E59DFAF" blockId="2.[136,1451,1918,1975]" pageId="2" pageNumber="65">
<emphasis id="4CC8EAA2FFBCB22AFF7464719A8BDF8B" bold="true" box="[136,255,1918,1939]" pageId="2" pageNumber="65">FIGURE 1.</emphasis>
<taxonomicName id="B9BC4D33FFBCB22AFEF964719BC3DF8B" box="[261,439,1918,1939]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="2" pageNumber="65" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBCB22AFEF964719BC3DF8B" box="[261,439,1918,1939]" italics="true" pageId="2" pageNumber="65">Impatiens decurva</emphasis>
</taxonomicName>
. 
<emphasis id="4CC8EAA2FFBCB22AFE3864719BA8DF8B" bold="true" box="[452,476,1918,1939]" pageId="2" pageNumber="65">A.</emphasis>
Habit; 
<emphasis id="4CC8EAA2FFBCB22AFDD96471984FDF8B" bold="true" box="[549,571,1918,1939]" pageId="2" pageNumber="65">B.</emphasis>
Front view of flower; 
<emphasis id="4CC8EAA2FFBCB22AFCE464719944DF8B" bold="true" box="[792,816,1918,1939]" pageId="2" pageNumber="65">C.</emphasis>
Lateral view of flower; 
<emphasis id="4CC8EAA2FFBCB22AFBE164719E41DF8B" bold="true" box="[1053,1077,1918,1939]" pageId="2" pageNumber="65">D.</emphasis>
Fruit; 
<emphasis id="4CC8EAA2FFBCB22AFB8B64719EF9DF8B" bold="true" box="[1143,1165,1918,1939]" pageId="2" pageNumber="65">E.</emphasis>
Pedicel and ovary; 
<emphasis id="4CC8EAA2FFBCB22AFAB264719F14DF8B" bold="true" box="[1358,1376,1918,1939]" pageId="2" pageNumber="65">F.</emphasis>
Lateral sepals; 
<emphasis id="4CC8EAA2FFBCB22AFF3364AD9A9CDFAF" bold="true" box="[207,232,1954,1975]" pageId="2" pageNumber="65">G.</emphasis>
Lower sepal; 
<emphasis id="4CC8EAA2FFBCB22AFE8D64AD9BFEDFAF" bold="true" box="[369,394,1954,1975]" pageId="2" pageNumber="65">H.</emphasis>
Dorsal petal; 
<emphasis id="4CC8EAA2FFBCB22AFDED64AD9854DFAF" bold="true" box="[529,544,1954,1975]" pageId="2" pageNumber="65">I.</emphasis>
Lateral united petals. Drawn by Saroj Ruchisansakun.
</paragraph>
</caption>
<caption id="2AC36638FFBDB22BFF74657E9B55DEB2" ID-DOI="http://doi.org/10.5281/zenodo.13719061" ID-Zenodo-Dep="13719061" httpUri="https://zenodo.org/record/13719061/files/figure.png" pageId="3" pageNumber="66" startId="3.[136,229,1649,1670]" targetBox="[185,1399,191,1622]" targetPageId="3" targetType="figure">
<paragraph id="7E0336B0FFBDB22BFF74657E9B55DEB2" blockId="3.[136,1452,1649,1706]" pageId="3" pageNumber="66">
<emphasis id="4CC8EAA2FFBDB22BFF74657E9B70DE9E" bold="true" box="[136,260,1649,1670]" pageId="3" pageNumber="66">FIGURE 2.</emphasis>
<taxonomicName id="B9BC4D33FFBDB22BFEED657E9BBEDE9E" box="[273,458,1649,1670]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBDB22BFEED657E9BBEDE9E" box="[273,458,1649,1670]" italics="true" pageId="3" pageNumber="66">Impatiens decurva</emphasis>
</taxonomicName>
. 
<emphasis id="4CC8EAA2FFBDB22BFE21657E9B81DE9E" bold="true" box="[477,501,1649,1670]" pageId="3" pageNumber="66">A.</emphasis>
Lateral view of flower; 
<emphasis id="4CC8EAA2FFBDB22BFCFD657E9963DE9E" bold="true" box="[769,791,1649,1670]" pageId="3" pageNumber="66">B.</emphasis>
Front view of flower; 
<emphasis id="4CC8EAA2FFBDB22BFBEF657E9E5FDE9E" bold="true" box="[1043,1067,1649,1670]" pageId="3" pageNumber="66">C.</emphasis>
Habit 
<emphasis id="4CC8EAA2FFBDB22BFB86657E9EC8DE9E" box="[1146,1212,1649,1670]" italics="true" pageId="3" pageNumber="66">in situ</emphasis>
. Photographs by Saroj Ruchisansakun.
</paragraph>
</caption>
<paragraph id="7E0336B0FFBDB22BFF4165D59BD0DF23" blockId="3.[136,1452,1754,2067]" pageId="3" pageNumber="66">
<emphasis id="4CC8EAA2FFBDB22BFF4165D598BFDEEB" bold="true" box="[189,715,1754,1779]" pageId="3" pageNumber="66">Proposed IUCN conservation assessment:—</emphasis>
Critically Endangered B1ab (i, ii, iii) + 2ab (i, ii, iii). This species is only known from the 
<typeStatus id="A1078812FFBDB22BFE5E65F19BA6DF0F" box="[418,466,1790,1815]" pageId="3" pageNumber="66">type</typeStatus>
locality. The extent of occurrence is estimated as &lt;
<quantity id="B9449B55FFBDB22BFBCE65F19E05DF0F" box="[1074,1137,1790,1815]" metricMagnitude="3" metricUnit="m" metricValue="5.0" pageId="3" pageNumber="66" unit="km" value="5.0">5 km</quantity>
, where it occurs as a small population (
<bibRefCitation id="1A2D4B41FFBDB22BFEF2642D9BEDDF23" author="IUCN &amp; Cambridge, UK" box="[270,409,1826,1851]" pageId="3" pageNumber="66" refId="ref4875" refString="IUCN (2012) IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK, IUCN, 32 pp." type="book" year="2012">IUCN 2012</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="36A6653BFFBDB22CFF4164499ECBD9C1" lastPageId="4" lastPageNumber="67" pageId="3" pageNumber="66" type="etymology">
<paragraph id="7E0336B0FFBDB22BFF4164499ECEDF47" blockId="3.[136,1452,1754,2067]" box="[189,1210,1862,1887]" pageId="3" pageNumber="66">
<emphasis id="4CC8EAA2FFBDB22BFF4164499B10DF47" bold="true" box="[189,356,1862,1887]" pageId="3" pageNumber="66">Etymology:—</emphasis>
The specific epithet refers to the decurved pedicel at the early fruiting stage.
</paragraph>
<paragraph id="7E0336B0FFBDB22CFF41646599DFD8C5" blockId="3.[136,1452,1754,2067]" lastBlockId="4.[136,1452,160,473]" lastPageId="4" lastPageNumber="67" pageId="3" pageNumber="66">
<emphasis id="4CC8EAA2FFBDB22BFF4164659B6FDF9B" bold="true" box="[189,283,1898,1923]" pageId="3" pageNumber="66">Note:—</emphasis>
<taxonomicName id="B9BC4D33FFBDB22BFEE76465988ADF9B" authority="Ruchis. &amp; S. B. Janssens" authorityName="Ruchis. &amp; S. B. Janssens" box="[283,766,1898,1923]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBDB22BFEE764659B9DDF9B" box="[283,489,1898,1923]" italics="true" pageId="3" pageNumber="66">Impatiens decurva</emphasis>
Ruchis. &amp; S.B. Janssens
</taxonomicName>
is the only spurless species in 
<collectingCountry id="06AB7620FFBDB22BFBAE64659ECBDF9B" box="[1106,1215,1898,1923]" name="Myanmar" pageId="3" pageNumber="66">Myanmar</collectingCountry>
with solitary flowers and spirally arranged leaves. Although it morphologically resembles 
<taxonomicName id="B9BC4D33FFBDB22BFC4564819E44DFBF" box="[953,1072,1934,1959]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="pendula">
<emphasis id="4CC8EAA2FFBDB22BFC4564819E44DFBF" box="[953,1072,1934,1959]" italics="true" pageId="3" pageNumber="66">I. pendula</emphasis>
</taxonomicName>
, 
<taxonomicName id="B9BC4D33FFBDB22BFBB864819ECFDFBF" box="[1092,1211,1934,1959]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBDB22BFBB864819ECFDFBF" box="[1092,1211,1934,1959]" italics="true" pageId="3" pageNumber="66">I. decurva</emphasis>
</taxonomicName>
possesses a distinct characters: the leaves clustered towards the stem apex, a pilose midrib on the dorsal petal, the apex of the lower lateral united petals unequally bilobed, and a pedicel that is strongly decurved from the middle in the early fruiting stage. 
<taxonomicName id="B9BC4D33FFBDB22BFF7464F59B23D00B" box="[136,343,2042,2067]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBDB22BFF7464F59B23D00B" box="[136,343,2042,2067]" italics="true" pageId="3" pageNumber="66">Impatiens decurva</emphasis>
</taxonomicName>
resembles 
<taxonomicName id="B9BC4D33FFBDB22BFE2F64F5995CD00B" authority="Craib (1926: 162)" authorityName="Craib" authorityPageNumber="162" authorityYear="1926" box="[467,808,2042,2067]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="muscicola">
<emphasis id="4CC8EAA2FFBDB22BFE2F64F5982FD00B" box="[467,603,2042,2067]" italics="true" pageId="3" pageNumber="66">I. muscicola</emphasis>
<bibRefCitation id="1A2D4B41FFBDB22BFD9D64F5995CD00B" author="Craib, W. G." box="[609,808,2042,2067]" pageId="3" pageNumber="66" pagination="154 - 174" refId="ref4620" refString="Craib, W. G. (1926) Contributions to the flora of Siam. Additamentum XVIII. Bulletin of Miscellaneous Information (Royal Botanic Gardens, Kew) 4: 154 - 174. https: // doi. org / 10.2307 / 4118686" type="journal article" year="1926">Craib (1926: 162)</bibRefCitation>
</taxonomicName>
in morphology. 
<taxonomicName id="B9BC4D33FFBDB22BFC2264F59EB1D00B" authorityName="Craib" authorityYear="1926" box="[990,1221,2042,2067]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="3" pageNumber="66" phylum="Tracheophyta" rank="species" species="muscicola">
<emphasis id="4CC8EAA2FFBDB22BFC2264F59EB1D00B" box="[990,1221,2042,2067]" italics="true" pageId="3" pageNumber="66">Impatiens muscicola</emphasis>
</taxonomicName>
is a species endemic to northern 
<collectingCountry id="06AB7620FFBAB22CFEF063AF9B06D8A1" box="[268,370,160,185]" name="Thailand" pageId="4" pageNumber="67">Thailand</collectingCountry>
, and differs from 
<taxonomicName id="B9BC4D33FFBAB22CFDC063AF98DAD8A1" box="[572,686,160,185]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBAB22CFDC063AF98DAD8A1" box="[572,686,160,185]" italics="true" pageId="4" pageNumber="67">I. decurva</emphasis>
</taxonomicName>
in having lower lateral petals with an unequally bilobed apex and a pedicel that is strongly decurved in the middle during the fruiting stage.
</paragraph>
<paragraph id="7E0336B0FFBAB22CFF4163E79E0DD975" blockId="4.[136,1452,160,473]" pageId="4" pageNumber="67">
<emphasis id="4CC8EAA2FFBAB22CFF4163E79BB0D919" bold="true" box="[189,452,232,257]" pageId="4" pageNumber="67">Phylogenetic analysis:</emphasis>
—Bayesian phylogenetic analyses of the combined ITS and 
<emphasis id="4CC8EAA2FFBAB22CFB9863E79EA3D919" box="[1124,1239,232,257]" italics="true" pageId="4" pageNumber="67">atpB-rbcL</emphasis>
dataset confirm its position within subgen. 
<taxonomicName id="B9BC4D33FFBAB22CFE6B62039E46D93D" authority="Hook. f. &amp; Thomson (1860: 113)" authorityName="Hook. f. &amp; Thomson. For" authorityPageNumber="113" authorityYear="1860" box="[407,1074,268,293]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="section" section="Uniflorae">
<emphasis id="4CC8EAA2FFBAB22CFE6B62039871D93D" box="[407,517,268,293]" italics="true" pageId="4" pageNumber="67">Impatiens</emphasis>
sect. 
<emphasis id="4CC8EAA2FFBAB22CFDBB620398C0D93D" box="[583,692,268,293]" italics="true" pageId="4" pageNumber="67">Uniflorae</emphasis>
Hook. f. &amp; Thomson (1860: 113)
</taxonomicName>
(
<bibRefCitation id="1A2D4B41FFBAB22CFBBD62039E90D93D" author="Yu, S. X. &amp; Janssens, S. B. &amp; Zhu, X. Y. &amp; Liden, M. &amp; Gao, T. G. &amp; Wang, W." box="[1089,1252,268,293]" pageId="4" pageNumber="67" pagination="1 - 19" refId="ref5713" refString="Yu, S. X., Janssens, S. B., Zhu, X. Y., Liden, M., Gao, T. G. &amp; Wang, W. (2015) Phylogeny of Impatiens (Balsaminaceae): integrating molecular and morphological evidence into a new classification. Cladistics 2015: 1 - 19. https: // doi. org / 10.1111 / cla. 12119" type="journal article" year="2015">
Yu 
<emphasis id="4CC8EAA2FFBAB22CFB9562039EEFD93D" box="[1129,1179,268,293]" italics="true" pageId="4" pageNumber="67">et al</emphasis>
. 2015
</bibRefCitation>
) (
<figureCitation id="E6872A35FFBAB22CFB0762039F34D93D" box="[1275,1344,268,293]" captionStart="FIGURE 3" captionStartId="4.[136,229,942,963]" captionTargetBox="[201,1382,500,909]" captionTargetId="figure-161@4.[201,1386,497,916]" captionTargetPageId="4" captionText="FIGURE 3. Majority-rule consensus tree from Bayesian phylogenetic analyses of a combined dataset of nuclear ITS and plastid atpBrbcL DNA sequences. Impatiens decurva and I. oblongata are highlighted in bold font. Bayesian posterior probabilities are indicated at each node." figureDoi="http://doi.org/10.5281/zenodo.13719063" httpUri="https://zenodo.org/record/13719063/files/figure.png" pageId="4" pageNumber="67">Fig. 3</figureCitation>
). Despite the morphological similarity with 
<taxonomicName id="B9BC4D33FFBAB22CFDFA623F98A3D951" authority="Craib" authorityName="Craib" authorityYear="1926" box="[518,727,304,329]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="muscicola">
<emphasis id="4CC8EAA2FFBAB22CFDFA623F98E4D951" box="[518,656,304,329]" italics="true" pageId="4" pageNumber="67">I. muscicola</emphasis>
Craib
</taxonomicName>
, 
<taxonomicName id="B9BC4D33FFBAB22CFD1E623F9927D951" box="[738,851,304,329]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBAB22CFD1E623F9927D951" box="[738,851,304,329]" italics="true" pageId="4" pageNumber="67">I. decurva</emphasis>
</taxonomicName>
appears more closely related to the 
<collectingCountry id="06AB7620FFBAB22CFB1A623F9F27D951" box="[1254,1363,304,329]" name="Myanmar" pageId="4" pageNumber="67">Myanmar</collectingCountry>
species 
<taxonomicName id="B9BC4D33FFBAB22CFF74625B9B06D975" authority="Hook. f." authorityName="Hook. f." box="[136,370,340,365]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="florulenta">
<emphasis id="4CC8EAA2FFBAB22CFF74625B9B79D975" box="[136,269,340,365]" italics="true" pageId="4" pageNumber="67">I. florulenta</emphasis>
Hook. f.
</taxonomicName>
(1905: 25 &amp; 32), a long-spurred species distributed in the same area.
</paragraph>
<paragraph id="7E0336B0FFBAB22CFF4162779ECBD9C1" blockId="4.[136,1452,160,473]" pageId="4" pageNumber="67">
<emphasis id="4CC8EAA2FFBAB22CFF4162779BDDD989" bold="true" box="[189,425,376,401]" pageId="4" pageNumber="67">Pollination ecology:</emphasis>
—We predict that 
<taxonomicName id="B9BC4D33FFBAB22CFD8B6277989DD989" box="[631,745,376,401]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBAB22CFD8B6277989DD989" box="[631,745,376,401]" italics="true" pageId="4" pageNumber="67">I. decurva</emphasis>
</taxonomicName>
relies on autonomous self-pollination. This prediction is based on the strong similarity in floral features, including flower size, between 
<taxonomicName id="B9BC4D33FFBAB22CFC3262939E36D9AD" box="[974,1090,412,437]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="decurva">
<emphasis id="4CC8EAA2FFBAB22CFC3262939E36D9AD" box="[974,1090,412,437]" italics="true" pageId="4" pageNumber="67">I. decurva</emphasis>
</taxonomicName>
and 
<taxonomicName id="B9BC4D33FFBAB22CFB8062939F73D9AD" authorityName="Craib" authorityYear="1926" box="[1148,1287,412,437]" class="Magnoliopsida" family="Balsaminaceae" genus="Impatiens" kingdom="Plantae" order="Ericales" pageId="4" pageNumber="67" phylum="Tracheophyta" rank="species" species="muscicola">
<emphasis id="4CC8EAA2FFBAB22CFB8062939F73D9AD" box="[1148,1287,412,437]" italics="true" pageId="4" pageNumber="67">I. muscicola</emphasis>
</taxonomicName>
. For the latter species autonomous self-pollination was experimentally confirmed (
<bibRefCitation id="1A2D4B41FFBAB22CFC7962CF9EC7D9C1" author="Ruchisansakun, S. &amp; Tangtorwongsakul, P. &amp; Cozien, R. J. &amp; Smets, E. F. &amp; Van der Niet, T." box="[901,1203,448,473]" pageId="4" pageNumber="67" pagination="651 - 666" refId="ref5369" refString="Ruchisansakun, S., Tangtorwongsakul, P., Cozien, R. J., Smets, E. F. &amp; Van der Niet, T. (2016) Floral specialization for different pollinators and divergent use of the same pollinator among co - occurring Impatiens species (Balsaminaceae) from Southeast Asia. Botanical Journal of the Linnean Society 181: 651 - 666. https: // doi. org / 10.1111 / boj. 12427" type="journal article" year="2016">
Ruchisansakun 
<emphasis id="4CC8EAA2FFBAB22CFBCB62CF9E1CD9C1" box="[1079,1128,448,473]" italics="true" pageId="4" pageNumber="67">et al</emphasis>
. 2016
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>