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<mods:title id="501EAB063DBC67E519E40ED97C2E1007">Notes on taxonomy, distribution and conservation of Dichaea species (Orchidaceae: Zygopetalinae) in Brazilian Amazon</mods:title>
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<mods:namePart id="3F9BCB0C0F29D0B8BF8E62743EAE7135">Krahl, Dayse R. P.</mods:namePart>
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<mods:affiliation id="D48DD8B0D79CBB194B401AE39277E876">Universidade Federal do Amapá, Programa de Pós-Graduação em Biodiversidade e Biotecnologia da Rede BIONORTE, Rodovia Josmar Chaves Pinto, Km 2, Jardim Marco Zero, 68903 - 419, Macapá, AP, Brazil.</mods:affiliation>
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<mods:affiliation id="82C36C72194A4FB2570C6B588621CB0C">Université de Lyon 1, Herbiers, F- 69622, Villeurbanne Cedex, France.</mods:affiliation>
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<mods:namePart id="5F8BB5210B3DFC17837796715726C5A7">Krahl, Amauri H.</mods:namePart>
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<mods:affiliation id="3C98097124986CFE156F7AA6E58174AA">Instituto Nacional de Pesquisas da Amazônia, Programa de Pós-Graduação em Botânica, Departamento de Botânica, Av. André Araújo, 2936, Aleixo, 69060 - 001, Manaus, AM, Brazil.</mods:affiliation>
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<mods:namePart id="457ADC414EE3AFBAAD75D936DF1E5ED4">Da Silva, João Batista F.</mods:namePart>
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<mods:affiliation id="F6EF67CFA8E110ADCBA7169782B64686">Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá, Laboratório de Taxonomia Vegetal, Rodovia Juscelino Kubitschek, Km 10, 68903 - 970, Macapá, AP, Brazil.</mods:affiliation>
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<paragraph id="2B63B00EFFAE1F41FF76F9485BEF19CB" blockId="1.[136,964,1684,1711]" box="[136,964,1684,1711]" pageId="1" pageNumber="278">
1. 
<taxonomicName id="ECDCCB8DFFAE1F41FF5AF9485B1419CB" ID-CoL="35JZX" authority="Campacci &amp; Silva (2015: 410)" authorityName="Campacci &amp; Silva" authorityPageNumber="410" authorityYear="2015" box="[164,831,1684,1711]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="1" pageNumber="278" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAE1F41FF5AF94859CB19CB" box="[164,480,1684,1710]" italics="true" pageId="1" pageNumber="278">Dichaea saraca-taquerensis</emphasis>
<bibRefCitation id="4F4DCDFFFFAE1F41FE19F9485B1419CB" author="Campacci, M. A. &amp; Silva, J. B. F." box="[487,831,1684,1711]" pageId="1" pageNumber="278" pagination="410 - 413" refId="ref4714" refString="Campacci, M. A. &amp; Silva, J. B. F. (2015) Dichaea saraca-taquerensis. Coletanea de Orquideas Brasileiras 11: 410 - 413." type="journal article" year="2015">Campacci &amp; Silva (2015: 410)</bibRefCitation>
</taxonomicName>
. (
<figureCitation id="B3E7AC8BFFAE1F41FCAAF9485B9819CB" box="[852,947,1684,1710]" captionStart="FIGURE 1" captionStartId="2.[136,229,1806,1828]" captionTargetBox="[170,1416,353,1781]" captionTargetId="figure-102@2.[170,1416,353,1781]" captionTargetPageId="2" captionText="FIGURE 1. Dichaea saraca-taquerensis. A. Habit. B. Flower. C. External floral bract. D. Internal floral bract. E. Perianth. F. Lip. G–I. Column. J–K. Anther cap. L–M. Pollinarium. Photographs by A.H. Krahl." figureDoi="http://doi.org/10.5281/zenodo.13213062" httpUri="https://zenodo.org/record/13213062/files/figure.png" pageId="1" pageNumber="278">Figure 1</figureCitation>
).
</paragraph>
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<paragraph id="2B63B00EFFAE1F41FF76F93C5948187C" blockId="1.[136,1452,1760,1926]" pageId="1" pageNumber="278">
<emphasis id="19A86C1CFFAE1F41FF76F93C58911990" bold="true" box="[136,186,1760,1781]" pageId="1" pageNumber="278">
<typeStatus id="F4670EACFFAE1F41FF76F93C58911990" box="[136,186,1760,1781]" pageId="1" pageNumber="278">Type</typeStatus>
</emphasis>
:— 
<collectingCountry id="53CBF09EFFAE1F41FF29F93C59181990" box="[215,307,1760,1781]" name="Brazil" pageId="1" pageNumber="278">BRAZIL</collectingCountry>
. Pará: Oriximiná: Porto Trombetas, FLONA Saracá-Taquera, platô Taquera, 
<date id="5F6296CEFFAE1F41FBCBF93C5CFA1990" box="[1077,1233,1760,1782]" pageId="1" pageNumber="278" value="2009-03-31">31 March 2009</date>
, 
<emphasis id="19A86C1CFFAE1F41FB21F93C5D801990" box="[1247,1451,1760,1781]" italics="true" pageId="1" pageNumber="278">J.B.F. da Silva 2163</emphasis>
(
<typeStatus id="F4670EACFFAE1F41FF3AF8D85936187F" box="[196,285,1796,1818]" pageId="1" pageNumber="278" type="holotype">holotype</typeStatus>
: MG!).
</paragraph>
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<paragraph id="2B63B00EFFAE1F41FF76F8F45B9F1858" blockId="1.[136,1452,1760,1926]" box="[136,948,1832,1854]" pageId="1" pageNumber="278">
= 
<taxonomicName id="ECDCCB8DFFAE1F41FF62F8F45A64185B" authority="Valsko, Krahl &amp; Chiron" authorityName="Valsko, Krahl &amp; Chiron" box="[156,591,1832,1854]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="1" pageNumber="278" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAE1F41FF62F8F4594F1858" box="[156,356,1832,1853]" italics="true" pageId="1" pageNumber="278">Dichaea integrilabia</emphasis>
Valsko, Krahl &amp; Chiron
</taxonomicName>
(in 
<bibRefCitation id="4F4DCDFFFFAE1F41FD88F8F45B67185B" author="Krahl, A. H. &amp; Valsko, J. J. &amp; Holanda, A. S. S. &amp; Chiron, G." box="[630,844,1832,1854]" pageId="1" pageNumber="278" pagination="145 - 150" refId="ref5190" refString="Krahl, A. H., Valsko, J. J., Holanda, A. S. S. &amp; Chiron, G. (2016) A new species of Dichaea (Orchidaceae) from Brazil with special reference to its foliar anatomy. Phytotaxa 265: 145 - 150. https: // doi. org / 10.11646 / phytotaxa. 265.2.6" type="journal article" year="2016">
Krahl 
<emphasis id="19A86C1CFFAE1F41FD4CF8F45AC81858" box="[690,739,1832,1853]" italics="true" pageId="1" pageNumber="278">et al.</emphasis>
2016: 146
</bibRefCitation>
), 
<emphasis id="19A86C1CFFAE1F41FCA3F8F45B9F1858" bold="true" box="[861,948,1832,1853]" italics="true" pageId="1" pageNumber="278">syn. nov.</emphasis>
</paragraph>
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<emphasis id="19A86C1CFFAE1F41FF76F89058911804" bold="true" box="[136,186,1868,1889]" pageId="1" pageNumber="278">Type</emphasis>
:— 
<collectingCountry id="53CBF09EFFAE1F41FF29F89059181804" box="[215,307,1868,1889]" name="Brazil" pageId="1" pageNumber="278">BRAZIL</collectingCountry>
. Amazonas: Manaus: “Projeto Dinâmica Biológica de Fragmentos Florestais” (PDBFF), Fazenda Porto Alegre, 
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; 
<geoCoordinate id="4EE8D6C9FFAE1F41FEB0F8AC59CD18E3" box="[334,486,1904,1926]" degrees="59" direction="west" minutes="57" orientation="longitude" pageId="1" pageNumber="278" precision="1" seconds="31.81" value="-59.958836">59°57’31.81”W</geoCoordinate>
, 
<date id="5F6296CEFFAE1F41FE0EF8AC5A8618E0" box="[496,685,1904,1926]" pageId="1" pageNumber="278" value="2012-09-21">21 September 2012</date>
, 
<date id="5F6296CEFFAE1F41FD49F8AC5B4F18E0" box="[695,868,1904,1926]" pageId="1" pageNumber="278" value="2012-12-09">9 December 2012</date>
, 
<emphasis id="19A86C1CFFAE1F41FC90F8AC5BD118E0" box="[878,1018,1904,1925]" italics="true" pageId="1" pageNumber="278">J.J. Valsko 111</emphasis>
(
<typeStatus id="F4670EACFFAE1F41FBF9F8AC5C4B18E3" box="[1031,1120,1904,1926]" pageId="1" pageNumber="278" type="holotype">holotype</typeStatus>
: INPA!).
</paragraph>
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<subSubSection id="63C6E385FFAE1F42FF76F86859891E2C" lastPageId="2" lastPageNumber="279" pageId="1" pageNumber="278" type="description">
<paragraph id="2B63B00EFFAE1F42FF76F86859891E2C" blockId="1.[136,1451,1972,2071]" lastBlockId="2.[136,1452,158,329]" lastPageId="2" lastPageNumber="279" pageId="1" pageNumber="278">
<emphasis id="19A86C1CFFAE1F41FF76F868591318AB" bold="true" box="[136,312,1972,1998]" pageId="1" pageNumber="278">Description:—</emphasis>
Plant epiphytic subpendulous. Stem not swollen into pseudobulb, 6.2–25.5 × 
<quantity id="EC241DEBFFAE1F41FB7AF8685D2918AA" box="[1156,1282,1972,1999]" metricMagnitude="-3" metricUnit="m" metricValue="3.5" metricValueMax="5.0" metricValueMin="2.0" pageId="1" pageNumber="278" unit="cm" value="0.35" valueMax="0.5" valueMin="0.2">0.2–0.5 cm</quantity>
, compressed or cylindrical, elongated, unbranched, 20–40–leaved. Leaves 2.0–4.1 × 
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, oblong-elliptic to oblong-lanceolate, distichous, conduplicate, apex acute. Inflorescence 1.8–2.5 long, lateral, 1-flowered, floral bract double; external bract 0.2–0.3 × 
<quantity id="EC241DEBFFAD1F42FEC2FF4259961FDC" box="[316,445,158,185]" metricMagnitude="-3" metricUnit="m" metricValue="2.5" metricValueMax="3.0" metricValueMin="2.0" pageId="2" pageNumber="279" unit="cm" value="0.25" valueMax="0.3" valueMin="0.2">0.2–0.3 cm</quantity>
, ovate, apiculate; internal bract 0.3–0.4 × 
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, linear, acute. Flower greenish yellow, pedicellate; pedicel + ovary 1.3–2.0 cm long; dorsal sepal 0.6–0.7 × 
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, oblong to elliptic, apex obtuse; lateral sepals 0.6–0.7 × 
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, oblong to elliptic, asymmetrical, apex obtuse; petals 0.5–0.7 × 
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, oblanceolate to elliptic, apex obtuse; lip 0.5–0.6 × 
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, entire, obovate, concave, apex obtuse; column 
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long; pollinia 4. Fruit not seen.
</paragraph>
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<emphasis id="19A86C1CFFAD1F42FF76F8D258D51846" bold="true" box="[136,254,1806,1828]" pageId="2" pageNumber="279">FIGURE 1.</emphasis>
<taxonomicName id="ECDCCB8DFFAD1F42FEFAF8D25A381841" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[260,531,1806,1828]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="279" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAD1F42FEFAF8D25A381841" box="[260,531,1806,1828]" italics="true" pageId="2" pageNumber="279">Dichaea saraca-taquerensis</emphasis>
</taxonomicName>
. 
<emphasis id="19A86C1CFFAD1F42FDE1F8D25A1B1846" bold="true" box="[543,560,1806,1827]" pageId="2" pageNumber="279">A</emphasis>
. Habit. 
<emphasis id="19A86C1CFFAD1F42FD81F8D25AA41846" bold="true" box="[639,655,1806,1827]" pageId="2" pageNumber="279">B</emphasis>
. Flower. 
<emphasis id="19A86C1CFFAD1F42FD14F8D25AD01841" bold="true" box="[746,763,1806,1828]" pageId="2" pageNumber="279">C</emphasis>
. External floral bract. 
<emphasis id="19A86C1CFFAD1F42FC28F8D25BCC1846" bold="true" box="[982,999,1806,1827]" pageId="2" pageNumber="279">D</emphasis>
. Internal floral bract. 
<emphasis id="19A86C1CFFAD1F42FB42F8D25CE71846" bold="true" box="[1212,1228,1806,1827]" pageId="2" pageNumber="279">E</emphasis>
. Perianth. 
<emphasis id="19A86C1CFFAD1F42FACBF8D25D6F1846" bold="true" box="[1333,1348,1806,1827]" pageId="2" pageNumber="279">F</emphasis>
. Lip. 
<emphasis id="19A86C1CFFAD1F42FA83F8D25D8E1841" bold="true" box="[1405,1445,1806,1828]" pageId="2" pageNumber="279">G–I</emphasis>
. Column. 
<emphasis id="19A86C1CFFAD1F42FF1FF8EE59271822" bold="true" box="[225,268,1842,1863]" pageId="2" pageNumber="279">J–K</emphasis>
. Anther cap. 
<emphasis id="19A86C1CFFAD1F42FE73F8EE59EB1822" bold="true" box="[397,448,1842,1863]" pageId="2" pageNumber="279">L–M</emphasis>
. Pollinarium. Photographs by A.H. Krahl.
</paragraph>
</caption>
<subSubSection id="63C6E385FFAD1F43FF43F8AA5B011FB9" lastPageId="3" lastPageNumber="280" pageId="2" pageNumber="279" type="distribution">
<paragraph id="2B63B00EFFAD1F43FF43F8AA5B011FB9" blockId="2.[136,1452,1910,2081]" lastBlockId="3.[136,1452,158,221]" lastPageId="3" lastPageNumber="280" pageId="2" pageNumber="279">
<emphasis id="19A86C1CFFAD1F42FF43F8AA59D818F4" bold="true" box="[189,499,1910,1937]" pageId="2" pageNumber="279">Distribution and ecology</emphasis>
:—The material examined and consulted revealed that 
<taxonomicName id="ECDCCB8DFFAD1F42FB75F8AB5DA018F5" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[1163,1419,1911,1936]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="2" pageNumber="279" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAD1F42FB75F8AB5DA018F5" box="[1163,1419,1911,1936]" italics="true" pageId="2" pageNumber="279">D. saraca-taquerensis</emphasis>
</taxonomicName>
is restricted to the Brazilian Amazon and occurs in two states (
<figureCitation id="B3E7AC8BFFAD1F42FCD5F8465BA518D0" box="[811,910,1946,1973]" captionStart="FIGURE 2" captionStartId="3.[136,229,1149,1171]" captionTargetBox="[166,1422,253,1117]" captionTargetId="figure-47@3.[158,1430,245,1125]" captionTargetPageId="3" captionText="FIGURE 2. Geographic distribution map of Dichaea saraca-taquerensis." figureDoi="http://doi.org/10.5281/zenodo.13213064" httpUri="https://zenodo.org/record/13213064/files/figure.png" pageId="2" pageNumber="279">Figure 2</figureCitation>
). In the state of 
<collectingRegion id="E9187EECFFAD1F42FBBCF8475C9018D0" box="[1090,1211,1947,1973]" country="Peru" name="Amazonas" pageId="2" pageNumber="279">Amazonas</collectingRegion>
, in the municipalities of Manaus and Presidente Figueiredo, it grows in Dense Ombrophylous Forest in a “terra-firme” vegetation (not flooding environment) in areas de “baixio” (close to streams) and it also occurs near a stream however among in a different vegetation, “campinarana” (on sandy soil). In the 
<collectingRegion id="E9187EECFFAD1F42FCDAF7DB5BBA1744" box="[804,913,2055,2081]" country="Suriname" name="Para" pageId="2" pageNumber="279">Pará state</collectingRegion>
it is also found in Dense Ombrophylous Forest with a “terra-firme” vegetation of the municipalities of Terra Santa and Oriximiná. However, it was also observed in areas of “Platô” (areas higher and usually far from streams).
</paragraph>
</subSubSection>
<caption id="7FA3E086FFAC1F43FF76FBA15B671BF6" ID-DOI="http://doi.org/10.5281/zenodo.13213064" ID-Zenodo-Dep="13213064" box="[136,844,1149,1171]" httpUri="https://zenodo.org/record/13213064/files/figure.png" pageId="3" pageNumber="280" startId="3.[136,229,1149,1171]" targetBox="[166,1422,253,1117]" targetPageId="3" targetType="figure">
<paragraph id="2B63B00EFFAC1F43FF76FBA15B671BF6" blockId="3.[136,844,1149,1171]" box="[136,844,1149,1171]" pageId="3" pageNumber="280">
<emphasis id="19A86C1CFFAC1F43FF76FBA158D51BF7" bold="true" box="[136,254,1149,1171]" pageId="3" pageNumber="280">FIGURE 2.</emphasis>
Geographic distribution map of 
<taxonomicName id="ECDCCB8DFFAC1F43FDC9FBA15B6D1BF6" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[567,838,1149,1171]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FDC9FBA15B6D1BF6" box="[567,838,1149,1171]" italics="true" pageId="3" pageNumber="280">Dichaea saraca-taquerensis</emphasis>
</taxonomicName>
.
</paragraph>
</caption>
<subSubSection id="63C6E385FFAC1F43FF43FB1E5B301AF5" pageId="3" pageNumber="280" type="conservation">
<paragraph id="2B63B00EFFAC1F43FF43FB1E5B301AF5" blockId="3.[136,1452,1218,2073]" pageId="3" pageNumber="280">
<emphasis id="19A86C1CFFAC1F43FF43FB1E59801BB9" bold="true" box="[189,427,1218,1244]" pageId="3" pageNumber="280">Conservation status</emphasis>
:—The Area of Occupancy (AOO) is estimated at 
<quantity id="EC241DEBFFAC1F43FC1EFB1E5C001BBB" box="[992,1067,1218,1246]" metricMagnitude="4" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="280" unit="km" value="20.0">20 km</quantity>
². According to the criteria defined in IUCN Guidelines (
<bibRefCitation id="4F4DCDFFFFAC1F43FE7AFB3A5A3A1A65" author="IUCN" box="[388,529,1254,1280]" pageId="3" pageNumber="280" refId="ref5074" refString="IUCN (2022) Guidelines for Using the IUCN Red List Categories and Criteria. Version 15.1. Prepared by IUCN Standards and Petitions Committee. Available from: http: // www. iucnredlist. org / (accessed: 6 August 2023)." type="url" year="2022">IUCN 2022</bibRefCitation>
), the threshold for Endangered category (EN) is met (criterion B). Besides the species occurs in five localities (criterion Ba). Three of these localities are within conservation units however the total area of occupancy suffers a continuing decline (criterion Bb) due to deforestation, mostly out of the conservation units but non-only. The total number of mature individuals (criterion D) is estimated to 100. Consequently the taxon may be treated as Endangered (EN category—criteria B2ab[II],D).
</paragraph>
</subSubSection>
<subSubSection id="63C6E385FFAC1F44FF43FA465DA81FB9" lastPageId="4" lastPageNumber="281" pageId="3" pageNumber="280" type="discussion">
<paragraph id="2B63B00EFFAC1F43FF43FA465D341921" blockId="3.[136,1452,1218,2073]" pageId="3" pageNumber="280">
<emphasis id="19A86C1CFFAC1F43FF43FA4659A81AD1" bold="true" box="[189,387,1434,1460]" pageId="3" pageNumber="280">Taxonomic notes</emphasis>
:—According to the 
<typeStatus id="F4670EACFFAC1F43FD9AFA465AED1AD1" box="[612,710,1434,1460]" pageId="3" pageNumber="280" type="holotype">holotype</typeStatus>
and protologue of 
<bibRefCitation id="4F4DCDFFFFAC1F43FC6CFA465C871AD0" author="Campacci, M. A. &amp; Silva, J. B. F." box="[914,1196,1434,1461]" pageId="3" pageNumber="280" pagination="410 - 413" refId="ref4714" refString="Campacci, M. A. &amp; Silva, J. B. F. (2015) Dichaea saraca-taquerensis. Coletanea de Orquideas Brasileiras 11: 410 - 413." type="journal article" year="2015">Campacci &amp; Silva (2015)</bibRefCitation>
, 
<taxonomicName id="ECDCCB8DFFAC1F43FB48FA475D871AD1" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[1206,1452,1435,1460]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FB48FA475D871AD1" box="[1206,1452,1435,1460]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
presents, as an evident distinctive character when compared to other congeneric species, a lip entire and obovate and an infrastigmatic ligule papillose. Based on these features and after analyzing the 
<typeStatus id="F4670EACFFAC1F43FBD0FA3E5CBB1A99" box="[1070,1168,1506,1532]" pageId="3" pageNumber="280" type="holotype">holotype</typeStatus>
and protologue of 
<bibRefCitation id="4F4DCDFFFFAC1F43FA92FA3E59371945" author="Krahl, A. H. &amp; Valsko, J. J. &amp; Holanda, A. S. S. &amp; Chiron, G." pageId="3" pageNumber="280" pagination="145 - 150" refId="ref5190" refString="Krahl, A. H., Valsko, J. J., Holanda, A. S. S. &amp; Chiron, G. (2016) A new species of Dichaea (Orchidaceae) from Brazil with special reference to its foliar anatomy. Phytotaxa 265: 145 - 150. https: // doi. org / 10.11646 / phytotaxa. 265.2.6" type="journal article" year="2016">
Krahl 
<emphasis id="19A86C1CFFAC1F43FF76F9DB58961945" box="[136,189,1542,1568]" italics="true" pageId="3" pageNumber="280">et al</emphasis>
. (2016)
</bibRefCitation>
, we can note that 
<taxonomicName id="ECDCCB8DFFAC1F43FE06F9DB5A891945" box="[504,674,1542,1568]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FE06F9DB5A891945" box="[504,674,1542,1568]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
presents the same morphology. Consequently, we propose here its synonymization. Having been published a year before, the name 
<taxonomicName id="ECDCCB8DFFAC1F43FCA1F9F75C7C1921" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[863,1111,1579,1604]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FCA1F9F75C7C1921" box="[863,1111,1579,1604]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
must be retained.
</paragraph>
<paragraph id="2B63B00EFFAC1F43FF43F9925B3A1801" blockId="3.[136,1452,1218,2073]" pageId="3" pageNumber="280">
Some differences linked to the descriptive terminology used by 
<bibRefCitation id="4F4DCDFFFFAC1F43FC79F9925C8D190C" author="Campacci, M. A. &amp; Silva, J. B. F." box="[903,1190,1614,1641]" pageId="3" pageNumber="280" pagination="410 - 413" refId="ref4714" refString="Campacci, M. A. &amp; Silva, J. B. F. (2015) Dichaea saraca-taquerensis. Coletanea de Orquideas Brasileiras 11: 410 - 413." type="journal article" year="2015">Campacci &amp; Silva (2015)</bibRefCitation>
and 
<bibRefCitation id="4F4DCDFFFFAC1F43FB22F9925D87190D" author="Krahl, A. H. &amp; Valsko, J. J. &amp; Holanda, A. S. S. &amp; Chiron, G." box="[1244,1452,1614,1640]" pageId="3" pageNumber="280" pagination="145 - 150" refId="ref5190" refString="Krahl, A. H., Valsko, J. J., Holanda, A. S. S. &amp; Chiron, G. (2016) A new species of Dichaea (Orchidaceae) from Brazil with special reference to its foliar anatomy. Phytotaxa 265: 145 - 150. https: // doi. org / 10.11646 / phytotaxa. 265.2.6" type="journal article" year="2016">
Krahl 
<emphasis id="19A86C1CFFAC1F43FADCF9935D71190D" box="[1314,1370,1614,1640]" italics="true" pageId="3" pageNumber="280">et al.</emphasis>
(2016)
</bibRefCitation>
can be observed in the descriptions of 
<taxonomicName id="ECDCCB8DFFAC1F43FDC1F9AF5B1219E9" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[575,825,1651,1676]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FDC1F9AF5B1219E9" box="[575,825,1651,1676]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
and 
<taxonomicName id="ECDCCB8DFFAC1F43FC8FF9AF5C3219E9" box="[881,1049,1650,1676]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FC8FF9AF5C3219E9" box="[881,1049,1650,1676]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
respectively. However, they do not directly affect the fact that these taxa have the same morphological circumscription: it is only a matter of points of view. Acceptable differences are observed in the color of some flower segments such as: flower whitish with pale greenish nuances in 
<taxonomicName id="ECDCCB8DFFAC1F43FE8BF9035A5A199D" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[373,625,1759,1784]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FE8BF9035A5A199D" box="[373,625,1759,1784]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
(
<emphasis id="19A86C1CFFAC1F43FD7AF9035AB0199D" box="[644,667,1759,1784]" italics="true" pageId="3" pageNumber="280">vs</emphasis>
. yellowish cream in 
<taxonomicName id="ECDCCB8DFFAC1F43FC6CF9035C10199D" box="[914,1083,1758,1784]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FC6CF9035C10199D" box="[914,1083,1758,1784]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
), column whitish in 
<taxonomicName id="ECDCCB8DFFAC1F43FACEF90359231879" authorityName="Campacci &amp; Silva" authorityYear="2015" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FACEF90359231879" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
(
<emphasis id="19A86C1CFFAC1F43FEE7F8DF591B1879" box="[281,304,1795,1820]" italics="true" pageId="3" pageNumber="280">vs</emphasis>
. cream with a slight pinkish to reddish hue near the apex in 
<taxonomicName id="ECDCCB8DFFAC1F43FC2BF8DF5C571879" box="[981,1148,1794,1820]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FC2BF8DF5C571879" box="[981,1148,1794,1820]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
) and an anther cap pinkish in 
<taxonomicName id="ECDCCB8DFFAC1F43FF5AF8FB59B71825" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[164,412,1831,1856]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FF5AF8FB59B71825" box="[164,412,1831,1856]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
(
<emphasis id="19A86C1CFFAC1F43FE55F8FB59E91825" box="[427,450,1831,1856]" italics="true" pageId="3" pageNumber="280">vs</emphasis>
. brownish in 
<taxonomicName id="ECDCCB8DFFAC1F43FDA5F8FB5B2A1825" box="[603,769,1830,1856]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FDA5F8FB5B2A1825" box="[603,769,1830,1856]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
). These differences in the color can be due to different stages of flower ripeness or represent some population variation.
</paragraph>
<paragraph id="2B63B00EFFAC1F44FF43F8B25DA81FB9" blockId="3.[136,1452,1218,2073]" lastBlockId="4.[136,1452,158,437]" lastPageId="4" lastPageNumber="281" pageId="3" pageNumber="280">
In 
<bibRefCitation id="4F4DCDFFFFAC1F43FF23F8B25A2A18EC" author="Campacci, M. A. &amp; Silva, J. B. F." box="[221,513,1902,1929]" pageId="3" pageNumber="280" pagination="410 - 413" refId="ref4714" refString="Campacci, M. A. &amp; Silva, J. B. F. (2015) Dichaea saraca-taquerensis. Coletanea de Orquideas Brasileiras 11: 410 - 413." type="journal article" year="2015">Campacci &amp; Silva (2015)</bibRefCitation>
, the leaf of 
<taxonomicName id="ECDCCB8DFFAC1F43FD77F8B35BA918ED" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[649,898,1903,1928]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FD77F8B35BA918ED" box="[649,898,1903,1928]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
is described as oblong-lanceolate whereas 
<bibRefCitation id="4F4DCDFFFFAC1F43FA92F8B2593F18C9" author="Krahl, A. H. &amp; Valsko, J. J. &amp; Holanda, A. S. S. &amp; Chiron, G." pageId="3" pageNumber="280" pagination="145 - 150" refId="ref5190" refString="Krahl, A. H., Valsko, J. J., Holanda, A. S. S. &amp; Chiron, G. (2016) A new species of Dichaea (Orchidaceae) from Brazil with special reference to its foliar anatomy. Phytotaxa 265: 145 - 150. https: // doi. org / 10.11646 / phytotaxa. 265.2.6" type="journal article" year="2016">
Krahl 
<emphasis id="19A86C1CFFAC1F43FF76F84F58EA18C9" box="[136,193,1938,1964]" italics="true" pageId="3" pageNumber="280">et al.</emphasis>
(2016)
</bibRefCitation>
describe the leaf of 
<taxonomicName id="ECDCCB8DFFAC1F43FE02F84F5A8818C9" box="[508,675,1938,1964]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FE02F84F5A8818C9" box="[508,675,1938,1964]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
as elliptic. Other differences can be noted in the shape of the flower segments: dorsal sepal elliptic apiculate in 
<taxonomicName id="ECDCCB8DFFAC1F43FD9CF86B5B7218B5" authorityName="Campacci &amp; Silva" authorityYear="2015" box="[610,857,1975,2000]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="saraca-taquerensis">
<emphasis id="19A86C1CFFAC1F43FD9CF86B5B7218B5" box="[610,857,1975,2000]" italics="true" pageId="3" pageNumber="280">D. saraca-taquerensis</emphasis>
</taxonomicName>
(
<emphasis id="19A86C1CFFAC1F43FC96F86B5BAD18B5" box="[872,902,1975,2000]" italics="true" pageId="3" pageNumber="280">vs.</emphasis>
lanceolate acute in 
<taxonomicName id="ECDCCB8DFFAC1F43FB9EF86B5D2E18B5" box="[1120,1285,1974,2000]" class="Liliopsida" family="Orchidaceae" genus="Dichaea" kingdom="Plantae" order="Asparagales" pageId="3" pageNumber="280" phylum="Tracheophyta" rank="species" species="integrilabia">
<emphasis id="19A86C1CFFAC1F43FB9EF86B5D2E18B5" box="[1120,1285,1974,2000]" italics="true" pageId="3" pageNumber="280">D. integrilabia</emphasis>
</taxonomicName>
), lateral sepals and petals respectively elliptic-lanceolate and lanceolate and lip respectively sub-orbicular and ovate (
<bibRefCitation id="4F4DCDFFFFAC1F43FAE4F8065928177C" author="Campacci, M. A. &amp; Silva, J. B. F." pageId="3" pageNumber="280" pagination="410 - 413" refId="ref4714" refString="Campacci, M. A. &amp; Silva, J. B. F. (2015) Dichaea saraca-taquerensis. Coletanea de Orquideas Brasileiras 11: 410 - 413." type="journal article" year="2015">Campacci &amp; Silva 2015</bibRefCitation>
, 
<bibRefCitation id="4F4DCDFFFFAC1F43FEF3F82259E7177D" author="Krahl, A. H. &amp; Valsko, J. J. &amp; Holanda, A. S. S. &amp; Chiron, G." box="[269,460,2046,2072]" pageId="3" pageNumber="280" pagination="145 - 150" refId="ref5190" refString="Krahl, A. H., Valsko, J. J., Holanda, A. S. S. &amp; Chiron, G. (2016) A new species of Dichaea (Orchidaceae) from Brazil with special reference to its foliar anatomy. Phytotaxa 265: 145 - 150. https: // doi. org / 10.11646 / phytotaxa. 265.2.6" type="journal article" year="2016">
Krahl 
<emphasis id="19A86C1CFFAC1F43FEACF82359A1177D" box="[338,394,2046,2072]" italics="true" pageId="3" pageNumber="280">et al.</emphasis>
2016
</bibRefCitation>
). However, based on our analyses, both materials can be best described as having oblong-elliptic to oblong-lanceolate leaves, oblong to elliptic sepals and oblanceolate to elliptic petals. The lip must be mainly described as obovate, wider near the apex than near the base (definition according to 
<bibRefCitation id="4F4DCDFFFFAB1F44FBBCFF1E5D5C1FB9" author="Goncalves, E. G. &amp; Lorenzi, H." box="[1090,1399,194,220]" pageId="4" pageNumber="281" refId="ref4940" refString="Goncalves, E. G. &amp; Lorenzi, H. (2007) Morfologia Vegetal: Organografia e Dicionario Ilustrado de Morfologia das Plantas Vasculares. Instituto Plantarum de Estudo da Flora, Sao Paulo, 416 pp." type="book" year="2007">Gonçalves &amp; Lorenzi 2007</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="63C6E385FFAB1F44FF43FF3A596E1ED1" pageId="4" pageNumber="281" type="materials_examined">
<paragraph id="2B63B00EFFAB1F44FF43FF3A596E1ED1" blockId="4.[136,1452,158,437]" pageId="4" pageNumber="281">
<emphasis id="19A86C1CFFAB1F44FF43FF3A5A061E65" bold="true" box="[189,557,230,256]" pageId="4" pageNumber="281">Additional material examined:</emphasis>
— 
<collectingCountry id="53CBF09EFFAB1F44FDB4FF3A5A991E65" box="[586,690,230,256]" name="Brazil" pageId="4" pageNumber="281">BRAZIL</collectingCountry>
. Amazonas: Manaus: Reserva Florestal Adolpho Ducke, 
<date id="5F6296CEFFAB1F44FACFFF3A58E81E41" pageId="4" pageNumber="281" value="2019-01-31">31 January 2019</date>
, 
<emphasis id="19A86C1CFFAB1F44FF2FFED75A6A1E41" box="[209,577,266,293]" italics="true" pageId="4" pageNumber="281">D.R.P. Krahl &amp; A.H. Krahl 360</emphasis>
(INPA!); idem, 
<date id="5F6296CEFFAB1F44FCFEFED65B9E1E41" box="[768,949,266,292]" pageId="4" pageNumber="281" value="2019-03-07">07 March 2019</date>
, 
<emphasis id="19A86C1CFFAB1F44FC3DFED75D141E41" box="[963,1343,266,293]" italics="true" pageId="4" pageNumber="281">A.H. Krahl &amp; D.R.P. Krahl 1131</emphasis>
(INPA!); Presidente Figueiredo: Cachoeira da Iracema, 
<date id="5F6296CEFFAB1F44FD7CFEF25B371E2D" box="[642,796,302,328]" pageId="4" pageNumber="281" value="2020-04-18">18April 2020</date>
, 
<emphasis id="19A86C1CFFAB1F44FCDAFEF35CAC1E2D" box="[804,1159,302,329]" italics="true" pageId="4" pageNumber="281">A.H. Krahl &amp; D.R.P. Krahl 1445</emphasis>
(INPA!); Pará:Oriximiná: Porto Trombetas, FLONA Saracá-Taquera-MRN, Platô SW4, 
<date id="5F6296CEFFAB1F44FCAFFE8E5C381E09" box="[849,1043,338,365]" pageId="4" pageNumber="281" value="2010-01-16">16 January 2010</date>
, 
<emphasis id="19A86C1CFFAB1F44FBDCFE8F5D271E09" box="[1058,1292,338,364]" italics="true" pageId="4" pageNumber="281">J.B.F. da Silva 3334</emphasis>
(MG!); Terra Santa: Abaocu, 
<date id="5F6296CEFFAB1F44FEC2FEAA59C51EF5" box="[316,494,374,400]" pageId="4" pageNumber="281" value="2018-03-14">14 March 2018</date>
, 
<emphasis id="19A86C1CFFAB1F44FE05FEAB5AA81EF5" box="[507,643,374,401]" italics="true" pageId="4" pageNumber="281">R. Sousa 27</emphasis>
(MG!); idem, 
<emphasis id="19A86C1CFFAB1F44FCD0FEAB5B9D1EF5" box="[814,950,374,401]" italics="true" pageId="4" pageNumber="281">R. Sousa 33</emphasis>
(MG!); idem, 
<emphasis id="19A86C1CFFAB1F44FB9EFEAB5CC21EF5" box="[1120,1257,374,401]" italics="true" pageId="4" pageNumber="281">R. Sousa 34</emphasis>
(MG!); idem, 
<emphasis id="19A86C1CFFAB1F44FA6DFEAB58C51ED1" italics="true" pageId="4" pageNumber="281">R. Sousa 35</emphasis>
(MG!).
</paragraph>
</subSubSection>
</treatment>
</document>