<documentid="13ADBC2B3D026041889F1D53FA361503"ID-CLB-Dataset="305439"ID-DOI="10.11646/phytotaxa.260.3.7"ID-GBIF-Dataset="a3946d6f-7621-4afd-9183-7ff4bf00b568"ID-ISSN="1179-3163"ID-Zenodo-Dep="13668584"IM.bibliography_approvedBy="guilherme"IM.illustrations_approvedBy="guilherme"IM.materialsCitations_approvedBy="guilherme"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="guilherme"IM.treatments_approvedBy="guilherme"checkinTime="1725395249607"checkinUser="felipe"docAuthor="Dávila, Nállarett & Kinoshita, Luiza Sumiko"docDate="2016"docId="DD54A27DFFDCFFE3FF67F223FDA8FE35"docLanguage="en"docName="phytotaxa.260.3.7.pdf"docOrigin="Phytotaxa 260 (3)"docSource="http://dx.doi.org/10.11646/phytotaxa.260.3.7"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Platycarpum loretensis Davila & L. Kinoshita 2016, sp. nov."docType="treatment"docVersion="3"lastPageNumber="281"masterDocId="216DDA05FFDDFFE6FFEFF64CFF88FFEC"masterDocTitle="A new species of Platycarpum (Rubiaceae, Henriquezieae) from Peruvian Amazon"masterLastPageNumber="282"masterPageNumber="276"pageNumber="277"updateTime="1732560573059"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:affiliationid="F5D1E0A18443932D4362E183A758E399">Universidade Estadual de Campinas, Instituto de Biologia, Departamento de Biologia Vegetal, Programa de Pós-Graduação em Biologia Vegetal, Rua Monteiro Lobato, 255, CEP 13083 - 862, Cidade Universitária Zeferino Vaz, Campinas, SP, Brazil.</mods:affiliation>
<mods:affiliationid="3FA47AA3A19FBEC9432A5403A4DC3E09">Universidade Estadual de Campinas, Instituto de Biologia, Departamento de Biologia Vegetal, Programa de Pós-Graduação em Biologia Vegetal, Rua Monteiro Lobato, 255, CEP 13083 - 862, Cidade Universitária Zeferino Vaz, Campinas, SP, Brazil.</mods:affiliation>
<taxonomicNameid="92FD68E8FFDCFFE7FF67F223FD05FB64"ID-CoL="4JNYC"authority="Davila & L. Kinoshita"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[136,653,1135,1160]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="1"pageNumber="277"phylum="Tracheophyta"rank="species"species="loretensis"status="sp. nov.">
<figureCitationid="CDC60FEEFFDCFFE7FD17F223FCCDFB64"box="[760,837,1135,1160]"captionStart="FIGURE 1"captionStartId="2.[136,233,1983,2004]"captionTargetBox="[170,1416,442,1952]"captionTargetId="figure-140@2.[170,1417,423,1961]"captionTargetPageId="2"captionText="FIGURE 1. Platycarpum loretensis. A. Terminal branch with inflorescence. B. Leaf base with gland at base of petiole. C. Calyx partially dissected showing details of the gynoecium. D. Abaxial face of corolla showing stamens inserted at different heights. E. Fruit. F. Seed. Based on Freitas s/n TB-Cha P 1-II-10. Drawn by Klei Souza."figureDoi="http://doi.org/10.5281/zenodo.13668590"httpUri="https://zenodo.org/record/13668590/files/figure.png"pageId="1"pageNumber="277">Figs. 1</figureCitation>
,
<figureCitationid="CDC60FEEFFDCFFE7FCBCF223FCEBFB64"box="[851,867,1135,1160]"captionStart="FIGURE 2"captionStartId="3.[136,233,1210,1231]"captionTargetBox="[159,1433,199,1179]"captionTargetId="figure-18@3.[151,1436,190,1185]"captionTargetPageId="3"captionText="FIGURE 2. Platycarpum loretensis. Scanning electron micrographs of leaves and pollen. A. Adaxial leaf surface with strigose indument. B. Papillose abaxial leaf surface with tomentose indument. C. Papillose abaxial leaf surface with flaking epicuticular wax. D. Pollen in polar view, showing spherical shape and 4-colp(oroid)ate. E. Reticulated exine (Freitas s.n. P1-II-10)."figureDoi="http://doi.org/10.5281/zenodo.13668592"httpUri="https://zenodo.org/record/13668592/files/figure.png"pageId="1"pageNumber="277">2</figureCitation>
,
<figureCitationid="CDC60FEEFFDCFFE7FC80F223FCF5FB64"box="[879,893,1135,1160]"captionStart="FIGURE 3"captionStartId="3.[136,233,1983,2004]"captionTargetBox="[159,1433,1375,1955]"captionTargetId="figure-73@3.[151,1436,1365,1959]"captionTargetPageId="3"captionText="FIGURE 3. Vegetative details of Platycarpum loretensis. A. terminal shoot showing the discolor leaves. B. stipule. C. internal and external bark (Dávila 6318)."figureDoi="http://doi.org/10.5281/zenodo.13668598"httpUri="https://zenodo.org/record/13668598/files/figure.png"pageId="1"pageNumber="277">3</figureCitation>
<taxonomicNameid="92FD68E8FFDCFFE7FDD2F350FCC4FAD9"authorityName="Humbolt & Bonpland"authorityYear="1811"box="[573,844,1308,1333]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="1"pageNumber="277"phylum="Tracheophyta"rank="species"species="orinocense">
in having opposite leaves,brownish-hirsute pubescence on the abaxial side of the leaves, inflorescences and stipules; the former differs from the latter by its oblanceolate leaf blades (vs. elliptic to ovate to broadly obovate in
<taxonomicNameid="92FD68E8FFDCFFE7FD2CF328FCD7FA91"authorityName="Humbolt & Bonpland"authorityYear="1811"box="[707,863,1380,1405]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="1"pageNumber="277"phylum="Tracheophyta"rank="species"species="orinocense">
dbh; outer bark fissured, with red exudate when cut (
<figureCitationid="CDC60FEEFFDCFFE7FB82F39CFB4EFA05"box="[1133,1222,1488,1513]"captionStart="FIGURE 3"captionStartId="3.[136,233,1983,2004]"captionTargetBox="[159,1433,1375,1955]"captionTargetId="figure-73@3.[151,1436,1365,1959]"captionTargetPageId="3"captionText="FIGURE 3. Vegetative details of Platycarpum loretensis. A. terminal shoot showing the discolor leaves. B. stipule. C. internal and external bark (Dávila 6318)."figureDoi="http://doi.org/10.5281/zenodo.13668598"httpUri="https://zenodo.org/record/13668598/files/figure.png"pageId="1"pageNumber="277">Fig. 3C</figureCitation>
terete between nodes, laterally compressed near the nodes, sometimes with sparse lenticels, pubescence in two layers, shorter layer sparsely strigose with trichomes whitish or translucent,
long, with pubescence in two layers, shorter layer sparsely strigose-whitish, longer layer hirsute-ferruginous, with one gland near abaxial base, inverted U-shaped to slightly rectangular,
, cuneate at base, acute to rounded at apex, with venation brochidodromous; secondary veins (15)17–19 on each side of midrib, adaxially strigose, abaxially papillose with cinereous wax, tomentose-ferruginous, midrib and secondary veins with ferruginous hirsute and antrorse indument (trichomes
long, externally pale yellow, pubescence in two layers, shorter layer villous, longer layer tomentose, internally white with red maculae in the throat, puberulous, with a ring of trichomes at base, one lobe bearded, yellow; lobes 5, elliptic,
<taxonomicNameid="92FD68E8FFDFFFE4FEE8F1F3FE60F838"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[263,488,1983,2004]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="2"pageNumber="278"phylum="Tracheophyta"rank="species"species="loretensis">Platycarpum loretensis</taxonomicName>
<emphasisid="6789CF79FFDFFFE4FF08FE4BFE75F7F0"box="[231,509,2055,2076]"italics="true"pageId="2"pageNumber="278">Freitas s/n TB-Cha P 1-II-10</emphasis>
<taxonomicNameid="92FD68E8FFDEFFE5FEE8F2F6FE60FB23"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[263,488,1210,1231]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="3"pageNumber="279"phylum="Tracheophyta"rank="species"species="loretensis">Platycarpum loretensis</taxonomicName>
.
</emphasis>
Scanning electron micrographs of leaves and pollen.
<taxonomicNameid="92FD68E8FFDEFFE5FE0EF1F3FD49F838"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[481,705,1983,2004]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="3"pageNumber="279"phylum="Tracheophyta"rank="species"species="loretensis">
<taxonomicNameid="92FD68E8FFD9FFE2FF67F6BAFE05FEE3"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[136,397,246,271]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="loretensis">
can be identified by its oblanceolate leaves with adaxial side strigose, and abaxial side with conspicuous, prominulous intersecondary veins, papillose, covered by gray wax, and a tomentose-ferruginous indument (
<figureCitationid="CDC60FEEFFD9FFE2FF7FF772FE8FFEBB"box="[144,263,318,343]"captionStart="FIGURE 2"captionStartId="3.[136,233,1210,1231]"captionTargetBox="[159,1433,199,1179]"captionTargetId="figure-18@3.[151,1436,190,1185]"captionTargetPageId="3"captionText="FIGURE 2. Platycarpum loretensis. Scanning electron micrographs of leaves and pollen. A. Adaxial leaf surface with strigose indument. B. Papillose abaxial leaf surface with tomentose indument. C. Papillose abaxial leaf surface with flaking epicuticular wax. D. Pollen in polar view, showing spherical shape and 4-colp(oroid)ate. E. Reticulated exine (Freitas s.n. P1-II-10)."figureDoi="http://doi.org/10.5281/zenodo.13668592"httpUri="https://zenodo.org/record/13668592/files/figure.png"pageId="4"pageNumber="280">Fig.2 B–C</figureCitation>
) with a grayish-reddish appearance; cymose inflorescences
<taxonomicNameid="92FD68E8FFD9FFE2FD81F7CAFCFBFE73"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[622,883,390,415]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="loretensis">
, which represents the western limit of the generic distribution. This species appears to be locally abundant, although not widely distributed in the Department of
<figureCitationid="CDC60FEEFFD9FFE2FE22F7BEFD9AFDE7"box="[461,530,498,523]"captionStart="FIGURE 4"captionStartId="4.[136,233,1838,1859]"captionTargetId="figure-266@4.[317,1270,799,1813]"captionTargetPageId="4"captionText="FIGURE 4. Distribution map of Platycarpum loretensis in Peru."figureDoi="http://doi.org/10.5281/zenodo.14218497"httpUri="https://zenodo.org/record/14218497/files/figure.png"pageId="4"pageNumber="280">Fig. 4</figureCitation>
). Quantitative inventories in seven areas of white-sand forests by
<bibRefCitationid="316C6E9AFFD9FFE2FB04F7BEFA24FDE7"author="Fine, P. V. A. & Garcia-Villacorta, R. & Pitman, N. C. A. & Mesones, I. & Kembel, S. W."box="[1259,1452,498,523]"pageId="4"pageNumber="280"pagination="283 - 305"refId="ref3036"refString="Fine, P. V. A., Garcia-Villacorta, R., Pitman, N. C. A., Mesones, I. & Kembel, S. W. (2010) A floristic study of the white-sand forests of Peru. Annals of the Missouri Botanical Garden 97: 283 - 305. http: // dx. doi. org / 10.3417 / 2008068"type="journal article"year="2010">
showed that it is among the ten most abundant species in transects of 0.5 ha established in the localities of Tamishiyacu and Jenaro Herrera (identified as
<taxonomicNameid="92FD68E8FFD9FFE2FE10F476FD11FDBF"authorityName="Humbolt & Bonpland"authorityYear="1811"box="[511,665,570,595]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="orinocense">
<bibRefCitationid="316C6E9AFFD9FFE2FCC9F476FC4EFDBF"author="Freitas, L."box="[806,966,570,595]"pageId="4"pageNumber="280"refId="ref3107"refString="Freitas, L. (1996) Caracterizacion floristica y estructural de cuatro comunidades boscosas de terraza baja en la zona de Jenaro Herrera, Amazonia Peruana. Documento Tecnico No. 26, Instituto de Investigaciones de la Amazonia Peruana, Peru, 77 pp."type="book"year="1996">Freitas (1996)</bibRefCitation>
<taxonomicNameid="92FD68E8FFD9FFE2FDB3F412FD6BFD9B"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[604,739,606,631]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="loretensis">
1) in white-sand, upland forests and swamp forests.
<bibRefCitationid="316C6E9AFFD9FFE2FE8CF4CEFDBCFD77"author="Valderrama, E."box="[355,564,642,667]"pageId="4"pageNumber="280"refId="ref3565"refString="Valderrama, E. (2013) Floristics and above-ground biomass (AGB) in Peatlands in Peruvian Lowland Amazonia, Loreto - Peru. MsC Thesis. University of Missouri-Saint Louis, 59 pp."type="book"year="2013">Valderrama (2013)</bibRefCitation>
sampled areas identified as peatlands in San Jorge (Tamshiyacu,
<taxonomicNameid="92FD68E8FFD9FFE2FEEDF486FE03FD0F"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[258,395,714,739]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="loretensis">
<taxonomicNameid="92FD68E8FFD9FFE2FE23F162FD22F8AF"authorityName="Davila & L. Kinoshita"authorityYear="2016"box="[460,682,1838,1859]"class="Magnoliopsida"family="Rubiaceae"genus="Platycarpum"kingdom="Plantae"order="Gentianales"pageId="4"pageNumber="280"phylum="Tracheophyta"rank="species"species="loretensis">
<paragraphid="5542136BFFD9FFE2FF52F1F7FC0BF7F0"blockId="4.[136,1451,1907,2076]"pageId="4"pageNumber="280">Conservation status: This species is classified as Least Concern (LC) according to the IUICN (2014) categories, because is recorded in three localities, and in each locality the species is locally abundant. Nevertheless, none of the locality of occurrence of this species belongs to a conservation area.</paragraph>
<paragraphid="5542136BFFD8FFE3FF52F6ECFA06FF55"blockId="5.[136,1452,160,473]"box="[189,1422,160,185]"pageId="5"pageNumber="281">Phenology: Flowers were collected in September; fruits were collected in September, November, and January.</paragraph>
<paragraphid="5542136BFFD8FFE3FF52F688FAC0FF31"blockId="5.[136,1452,160,473]"box="[189,1352,196,221]"pageId="5"pageNumber="281">Etymology: The specific epithet refers to the Peruvian department where the species was first collected.</paragraph>
<collectingMunicipalityid="B5268911FFD8FFE3FC3EF6A4FB4DFEED"box="[977,1221,232,257]"pageId="5"pageNumber="281">Dtto. Fernando Lores</collectingMunicipality>
,
<locationid="502245B0FFD8FFE3FB3FF6A4FAFFFEED"LSID="urn:lsid:plazi:treatment:DD54A27DFFDCFFE3FF67F223FDA8FE35:502245B0FFD8FFE3FB3FF6A4FAFFFEED"box="[1232,1399,232,257]"country="Peru"county="Maynas"municipality="Dtto. Fernando Lores"name="Rio Amazonas"pageId="5"pageNumber="281"stateProvince="Loreto">Río Amazonas</location>
,
<locationid="502245B0FFD8FFE3FA6CF6A4FE8CFEC9"LSID="urn:lsid:plazi:treatment:DD54A27DFFDCFFE3FF67F223FDA8FE35:502245B0FFD8FFE3FA6CF6A4FE8CFEC9"country="Peru"county="Maynas"municipality="Dtto. Fernando Lores"name="Isla de Aguajal"pageId="5"pageNumber="281"stateProvince="Loreto">Isla de Aguajal</location>
<collectingDateid="3107CC43FFD8FFE3FD83F740FCB3FEC9"box="[620,827,268,293]"pageId="5"pageNumber="281"value="1988-09-06">6 September 1988</collectingDate>
<materialsCitationid="E5951936FFD8FFE3FE24F77CFB89FE7D"collectingDate="1988-11-18"collectionCode="NY"collectorName="D. C. Daly & J. Valcarcel & D. Maytehuari & H. Pacaya & O. Mozombite & D. Angulo & R. Canayo"county="Requena"latitude="-4.9166665"location="Basin of Rio Ucayali, Jenaro Herrera"longLatPrecision="1306"longitude="-73.75"municipality="Dtto. Sapuena"pageId="5"pageNumber="281"specimenCount="1">
<locationid="502245B0FFD8FFE3FD08F77CFB0CFEA5"LSID="urn:lsid:plazi:treatment:DD54A27DFFDCFFE3FF67F223FDA8FE35:502245B0FFD8FFE3FD08F77CFB0CFEA5"box="[743,1156,304,329]"county="Requena"latitude="-4.9166665"longLatPrecision="1306"longitude="-73.75"municipality="Dtto. Sapuena"name="Basin of Rio Ucayali, Jenaro Herrera"pageId="5"pageNumber="281">Basin of Rio Ucayali, Jenaro Herrera</location>
<collectingDateid="3107CC43FFD8FFE3FC5DF718FB05FE81"box="[946,1165,340,365]"pageId="5"pageNumber="281"value="1988-11-18">18 November 1988</collectingDate>
<collectingDateid="3107CC43FFD8FFE3FBFFF734FB78FE7D"box="[1040,1264,376,401]"pageId="5"pageNumber="281"value="1989-11-21">21 November 1989</collectingDate>
<materialsCitationid="E5951936FFD8FFE3FE72F7D0FD94FE35"collectingDate="2012-01-04"collectionCode="AMAZ"collectorName="N. Davila & R. Ortiz & J. Prusky & N. Saavedra & R. Garcia"location="Centro de Investigaciones Jenaro Herrera"pageId="5"pageNumber="281"specimenCount="1">
<locationid="502245B0FFD8FFE3FE72F7D0FCF9FE59"LSID="urn:lsid:plazi:treatment:DD54A27DFFDCFFE3FF67F223FDA8FE35:502245B0FFD8FFE3FE72F7D0FCF9FE59"box="[413,881,412,437]"name="Centro de Investigaciones Jenaro Herrera"pageId="5"pageNumber="281">Centro de Investigaciones Jenaro Herrera</location>
<collectingDateid="3107CC43FFD8FFE3FC92F7D0FBA4FE59"box="[893,1068,412,437]"pageId="5"pageNumber="281"value="2012-01-04">4 January 2012</collectingDate>