<documentid="7E296B6101197CE210AB31675CA2BFBA"ID-DOI="10.11646/phytotaxa.650.1.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13216191"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="carolina"IM.taxonomicNames_approvedBy="carolina"IM.treatments_approvedBy="carolina"checkinTime="1722605311978"checkinUser="felipe"docAuthor="Carrión, Juan F. & Amorim, André M."docDate="2024"docId="0392270A92142F30489FFF080440FCFF"docLanguage="en"docName="phytotaxa.650.1.1.pdf"docOrigin="Phytotaxa 650 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.650.1.1"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Bernardia fluviatilis J. F. Carrion, sp. nov."docType="treatment"docVersion="1"lastPageNumber="6"masterDocId="FFAB5F7292152F354817FB5C0704FFE3"masterDocTitle="A new species of Bernardia (Euphorbiaceae, Acalyphoideae) with stellate trichomes from South America"masterLastPageNumber="7"masterPageNumber="1"pageNumber="2"updateTime="1724369911901"updateUser="carolina"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="1E58FC5D7E2DB524457627FD54BC6C5D">A new species of Bernardia (Euphorbiaceae, Acalyphoideae) with stellate trichomes from South America</mods:title>
<mods:namePartid="8104AE85C84F1DAEBDC8BADF231D9234">Carrión, Juan F.</mods:namePart>
<mods:affiliationid="B50A2CDA765308786D2D90C994B64906">Departamento de Botánica, Facultad de Ciencias Naturales, Exactas y Tecnología, Universidad de Panamá, Campus Dr. Octavio Méndez Pereira, apartado 3366, Panama 4, Panama & Sistema Nacional de Investigación (SNI), SENACYT, Ciudad del Saber, Clayton, Panama, Panama</mods:affiliation>
<mods:affiliationid="30B7F608E0C5BC31ED1C90489D97200A">Programa de Pós-Graduação em Botânica, Universidade Estadual de Feira de Santana, Avenida Transnordestina s / n, Novo Horizonte, 44036 - 900, Feira de Santana, Bahia, Brazil & Departamento de Ciências Biológicas. Universidade Estadual de Santa Cruz, Km 16 Rodovia Ilhéus-Itabuna, 45600 - 970, Ilhéus, Bahia, Brazil</mods:affiliation>
<taxonomicNameid="4C3BED9F92142F34489FFF0806FAFB8D"authority="J.F. Carrion"authorityName="J. F. Carrion"box="[136,510,1108,1135]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="1"pageNumber="2"phylum="Tracheophyta"rank="species"species="fluviatilis"status="sp. nov.">
<figureCitationid="13008A9992142F344A7AFF0805D3FB8D"box="[621,727,1108,1134]"captionStart-0="FIGURE 1"captionStart-1="FIGURE 2"captionStartId-0="2.[136,229,1922,1944]"captionStartId-1="3.[136,229,1337,1359]"captionTargetBox-0="[330,1251,692,1890]"captionTargetBox-1="[156,1431,196,1304]"captionTargetId-0="figure-239@2.[312,1276,674,1895]"captionTargetId-1="figure-17@3.[151,1436,190,1312]"captionTargetPageId-0="2"captionTargetPageId-1="3"captionText-0="FIGURE 1. Bernardia fluviatilis. A, fertile branch; B, detail of young branch showing indumentum; C, detail of abaxial leaf surface with basilaminar glands; D, detail of adaxial leaf surface with indumentum; E, detail of abaxial leaf surface with indumentum; F, detail of leaf margin with glandular teeth; G, fruits and staminate inflorescence; H, staminate cymule and flower at anthesis; I, staminate bract in ventral view; J, staminate bracteoles; K, pistillate flower; L, gynoecium; M, pistillate bract; N, pistillate sepal; O, seeds, from left to right in ventral, dorsal and lateral view. Drawings by Klei Sousa, based on Carrión & Antunes 1875."captionText-1="FIGURE 2. Bernardia fluviatilis: A, habit; B, fertile branches with detail of leaf blade margin; C, staminate inflorescence with detail of flower; D, fruits. Photographs by J.F. Carrión."figureDoi-0="http://doi.org/10.5281/zenodo.13216195"figureDoi-1="http://doi.org/10.5281/zenodo.13216197"httpUri-0="https://zenodo.org/record/13216195/files/figure.png"httpUri-1="https://zenodo.org/record/13216197/files/figure.png"pageId="1"pageNumber="2">Figs. 1–2</figureCitation>
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, atrás da base da
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<collectingDateid="EFC1493492142F34490DFFC006F0FB55"box="[282,500,1180,1206]"pageId="1"pageNumber="2"value="2018-11-24">24 November 2018</collectingDate>
<locationid="8EE4C0C792142F344AFAFFC004C2FB55"LSID="urn:lsid:plazi:treatment:0392270A92142F30489FFF080440FCFF:8EE4C0C792142F344AFAFFC004C2FB55"box="[749,966,1180,1206]"country="Brazil"latitude="-18.039999"longLatPrecision="21"longitude="-57.49111"municipality="Corumba"name="Carrion & Antunes"pageId="1"pageNumber="2"stateProvince="Mato Grosso do Sul">Carrión & Antunes</location>
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<bibRefCitationid="EFAAEBED92142F344CC7FFB802A7FB1C"author="Lourteig, A."box="[1232,1443,1252,1279]"pageId="1"pageNumber="2"pagination="71 - 87"refId="ref4570"refString="Lourteig, A. (1955) Euphorbiaceae argentinae. Addenda II. Arkiv for Botanik 3: 71 - 87."type="journal article"year="1955">Lourteig 1955: 75</bibRefCitation>
) because it is usually monoecious and has a membranaceous leaf blade with stellate trichomes, staminate inflorescences racemiform and elongated, and staminate flowers conspicuously pedicellate, but differs by its young branches covered by a sparsely (vs. densely) sericeous indumentum of simple trichomes (vs. simple and/or stellate trichomes), staminate peduncles 3–6 (vs. 5–25) mm long, cymules scattered (vs. congested to scattered) along the axis of the staminate inflorescences, and staminate flower pedicel usually glabrous (vs. covered by simple and/or stellate trichomes).
tall, with indumentum of simple and stellate trichomes. Stem and old branches glabrous, lenticellate; branches striate, cylindrical, young branches covered by sparsely sericeous indumentum of simple trichomes. Stipules 0.9–1.5 ×
; discolorous; base cuneate; margin serrate, with glandular teeth, basally entire; a conspicuous pair of circular basilaminar glands present, these sometimes reddish, and 3–7 inconspicuous circular glands present around the blade; apex attenuate to acute, sometimes obtuse; abaxial surface pubescent, trichomes stellate, with 3–11 arms, simple trichomes present on the veins and margin, adaxial surface puberulent, trichomes stellate, with 2–9 arms, smaller than those on abaxial surface; venation palmati-pinnate, secondary veins in 5–9 pairs, intersecondary veins percurrent, usually depressed; petiole
, pale yellow, thickened, ciliate, outer surface covered with sparse, appressed, simple trichomes, inner surface glabrous; each bract subtending cymules of 3–8 flowers; surrounded by many linear bracteoles, these
, basifixed, 4-locellate, dehiscent through longitudinal slits, connective emarginate. Pistillate inflorescence terminal, a sessile or shortly glomeruliform cyme, a pedunculate short, spiciform inflorescence, or an individual flower. Pistillate flowers sessile; each one subtended by 3 bracts, these ovate to lanceolate, ciliate, concave, unequal in size and shape, 1.2–1.9 ×
, one bract conspicuously broader that the other two bracts, with an acute to attenuate apex, covered by appressed simple trichomes on the outer surface, glabrous on the inner surface, sometimes thickened on the basal sides, appearing glandulate; sepals 4–5, ovate, persistent, 0.8–1.8 ×
. A, fertile branch; B, detail of young branch showing indumentum; C, detail of abaxial leaf surface with basilaminar glands; D, detail of adaxial leaf surface with indumentum; E, detail of abaxial leaf surface with indumentum; F, detail of leaf margin with glandular teeth; G, fruits and staminate inflorescence; H, staminate cymule and flower at anthesis; I, staminate bract in ventral view; J, staminate bracteoles; K, pistillate flower; L, gynoecium; M, pistillate bract; N, pistillate sepal; O, seeds, from left to right in ventral, dorsal and lateral view. Drawings by Klei Sousa, based on
<emphasisid="B94F4A0E92172F374B33F34F0317F7CB"box="[804,1043,2067,2088]"italics="true"pageId="2"pageNumber="3">Carrión & Antunes 1875</emphasis>
: A, habit; B, fertile branches with detail of leaf blade margin; C, staminate inflorescence with detail of flower; D, fruits. Photographs by J.F. Carrión.
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<emphasisid="B94F4A0E92162F364B37FD250328F970"box="[800,1068,1657,1683]"italics="true"pageId="3"pageNumber="4">Almeida de Jesus 1706</emphasis>
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(
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ibid.,
<collectingMunicipalityid="6BE00C6692162F364CD2FD250617F954"pageId="3"pageNumber="4">Sub-região Pantanal do Paraguai</collectingMunicipality>
<locationid="8EE4C0C792162F364937FDC206E8F954"LSID="urn:lsid:plazi:treatment:0392270A92142F30489FFF080440FCFF:8EE4C0C792162F364937FDC206E8F954"box="[288,492,1693,1720]"country="United States of America"county="Corumba"latitude="-18.019222"longLatPrecision="1"longitude="-57.53439"municipality="Sub-regiao Pantanal do Paraguai"name="Morro do Amolar"pageId="3"pageNumber="4">Morro do Amolar</location>
<collectingDateid="EFC1493492162F364BC5FDC103B4F954"box="[978,1200,1693,1720]"pageId="3"pageNumber="4"value="2010-11-25">25 November 2010</collectingDate>
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<collectingDateid="EFC1493492162F364CA7FD9D0283F938"box="[1200,1415,1729,1755]"pageId="3"pageNumber="4"value="2010-11-26">26 November 2010</collectingDate>
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<collectingDateid="EFC1493492162F364920FC55050BF8C0"box="[311,527,1801,1827]"pageId="3"pageNumber="4"value="2010-11-26">26 November 2010</collectingDate>
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<materialsCitationid="3B539C4192162F364C0EFC550244F8A4"collectingDate="2018-11-24"collectionCode="HUEFS"collectorName=" Carrion & Antunes"country="United States of America"county="Corumba"elevation="120"latitude="-18.039999"location="Porto Amolar"longLatPrecision="21"longitude="-57.49111"municipality="Sub-regiao Pantanal do Paraguai"pageId="3"pageNumber="4"specimenCount="1"specimenCount-male="1">
<locationid="8EE4C0C792162F364C4EFC5603F5F8C0"LSID="urn:lsid:plazi:treatment:0392270A92142F30489FFF080440FCFF:8EE4C0C792162F364C4EFC5603F5F8C0"box="[1113,1265,1801,1828]"country="United States of America"county="Corumba"latitude="-18.039999"longLatPrecision="21"longitude="-57.49111"municipality="Sub-regiao Pantanal do Paraguai"name="Porto Amolar"pageId="3"pageNumber="4">Porto Amolar</location>
<collectingDateid="EFC1493492162F364A6CFC710450F8A4"box="[635,852,1837,1863]"pageId="3"pageNumber="4"value="2018-11-24">24 November 2018</collectingDate>
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)
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;
<materialsCitationid="3B539C4192162F364D5BFC7105E1F888"collectingDate="2018-11-24"collectionCode="HUEFS"collectorName="Carrion & Antunes"country="United States of America"county="Corumba"elevation="120"latitude="-18.039999"location="Porto Amolar"longLatPrecision="21"longitude="-57.49111"municipality="Sub-regiao Pantanal do Paraguai"pageId="3"pageNumber="4"specimenCount="2"specimenCount-female="1"specimenCount-male="1">
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<collectingRegionid="49FF58FE92162F364B0BFCE20302F834"box="[796,1030,1981,2008]"country="Brazil"name="Mato Grosso do Sul"pageId="3"pageNumber="4">Mato Grosso do Sul</collectingRegion>
is known from seven localities, of which most are difficult to access and only one is in a protected area (Pantanal Matogrossense National Park, municipality of Poconé,
², which qualifies it for the Endangered (EN) category. Thus, following the IUCN Red List categories and criteria (
<bibRefCitationid="EFAAEBED92112F314D72FD5307C0F9AE"author="IUCN"pageId="4"pageNumber="5"refId="ref4490"refString="IUCN (2022) Guidelines for Using the IUCN Red List Categories and Criteria. Version 15. Standards and Petitions Committee, 116 pp. Available from: https: // www. iucnredlist. org / resources / redlistguidelines (accessed: 25 June 2023)"type="book"year="2022">IUCN 2022</bibRefCitation>
), we believe that if a formal assessment was conducted
<emphasisid="B94F4A0E92112F3148AAFD260562F976"bold="true"box="[189,614,1658,1685]"pageId="4"pageNumber="5">Habitat, ecology, and phenology:—</emphasis>
This new species grows in areas of seasonally dry forest, rocky outcrops, savannas (cerrados), forest savanna (cerradão), riverine forests, open disturbed areas, and transitional flooded zones associated with the riverbed of the
locality where many individuals (ca. 50) of this species were found. It has been recorded with flowers and fruits in March, May, July, November, and December.
<taxonomicNameid="4C3BED9F92112F314C8EFC240260F872"authorityName="Chodat & Hassler"authorityYear="1905"box="[1177,1380,1912,1937]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="4"pageNumber="5"phylum="Tracheophyta"rank="species"species="paraguariensis">
by its stellate trichomes and spiciform, elongated, pedunculate staminate inflorescence, with flowers that are conspicuously pedicellate and have bifid styles. These three species belong to the same lineage (
<bibRefCitationid="EFAAEBED92112F314C0DFCE303B2F83A"author="Carrion, J. F."box="[1050,1206,1983,2009]"pageId="4"pageNumber="5"refId="ref4296"refString="Carrion, J. F. (2020) Sistematica do Clado Bernardia. Thesis. Universidade Estadual de Feira de Santana, 356 pp."type="book"year="2020">Carrión 2020</bibRefCitation>
<taxonomicNameid="4C3BED9F92112F314958FCBF0576F81E"authorityName="Chodat & Hassler"authorityYear="1905"box="[335,626,2019,2045]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="4"pageNumber="5"phylum="Tracheophyta"rank="species"species="paraguariensis">
can be differentiated by its usual monoecy (vs. dioecy), young branches covered with a sericeous (vs. velutine-tomentose) indumentum of simple (vs. stellate and simple) trichomes, membranaceous (vs. chartaceous) leaf blade with tertiary veins usually depressed (vs. prominent), and axis of the staminate inflorescence covered by a sericeous (vs. densely tomentose) indumentum of simple (vs. stellate and simple) trichomes.
Additionally, we considered the possibility that the new species could belong to one of the varieties (
<bibRefCitationid="EFAAEBED92102F304D2DFAC60619FE3A"author="Chodat, R. & Hassler, E."pageId="5"pageNumber="6"pagination="288 - 506"refId="ref4394"refString="Chodat, R. & Hassler, E. (1905) Plantae Hasslerianae soit enumeration des plantes recoltees au Paraguay par le Dr. Emile Hassler d'Aarau (Suisse), de 1885 a 1902. Bulletin de l'Herbier Boissier, ser. 2, 5: 288 - 506."type="journal article"year="1905">Chodat & Hassler 1905</bibRefCitation>
) or forms (Pax & Hoffman 1914) described for
<taxonomicNameid="4C3BED9F92102F304B52FAE2036EFE3B"authorityName="Chodat & Hassler"authorityYear="1905"box="[837,1130,446,472]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="5"pageNumber="6"phylum="Tracheophyta"rank="species"species="paraguariensis">
<taxonomicNameid="4C3BED9F92102F30489FFABF0447FE1E"authority="Chodat & Hassler (1905: 504)"authorityName="Chodat & Hassler"authorityPageNumber="504"authorityYear="1905"box="[136,835,482,509]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="5"pageNumber="6"phylum="Tracheophyta"rank="variety"species="paraguariensis"variety="fruticosa">
<bibRefCitationid="EFAAEBED92102F3049E6FABE0447FE1E"author="Chodat, R. & Hassler, E."box="[497,835,482,509]"pageId="5"pageNumber="6"pagination="288 - 506"refId="ref4394"refString="Chodat, R. & Hassler, E. (1905) Plantae Hasslerianae soit enumeration des plantes recoltees au Paraguay par le Dr. Emile Hassler d'Aarau (Suisse), de 1885 a 1902. Bulletin de l'Herbier Boissier, ser. 2, 5: 288 - 506."type="journal article"year="1905">Chodat & Hassler (1905: 504)</bibRefCitation>
</taxonomicName>
because it was described from a specimen collected on a riverbank, a similar habitat of the new species, but detailed observations of the
<taxonomicNameid="4C3BED9F92102F304CF5F95B0618FDA7"authorityName="Chodat & Hassler"authorityYear="1905"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="5"pageNumber="6"phylum="Tracheophyta"rank="variety"species="paraguariensis"variety="fruticosa">
<taxonomicNameid="4C3BED9F92102F304AF6F97704AEFDA7"authorityName="Chodat & Hassler"authorityYear="1905"box="[737,938,555,580]"class="Magnoliopsida"family="Euphorbiaceae"genus="Bernardia"kingdom="Plantae"order="Malpighiales"pageId="5"pageNumber="6"phylum="Tracheophyta"rank="species"species="paraguariensis">
N. Fuerte Olimpo, Alto Paraguay.” However, “Cerro Pedrera” maybe = “Morro da Pedreira” that is in the municipality of Corumbá and “Riacho Navileque” maybe = “Rio Nabileque” that is located on the border of the municipalities of Corumbá and Porto Murtinho, which are both completely within
<collectingRegionid="49FF58FE92102F30494FF983057CFD1B"box="[344,632,734,761]"country="Brazil"name="Mato Grosso do Sul"pageId="5"pageNumber="6">Mato Grosso do Sul State</collectingRegion>
<bibRefCitationid="EFAAEBED92102F304A46F85E0444FCFF"author="Oliveira, L. S. D. & Moro, M. F. & Lughadha, E. M. N. & Martins, F. R. & Melo, A. L. & Esser, H. - J. & Sales, M. F."box="[593,832,770,797]"pageId="5"pageNumber="6"pagination="1 - 16"refId="ref4701"refString="Oliveira, L. S. D., Moro, M. F., Lughadha, E. M. N., Martins, F. R., Melo, A. L., Esser, H. - J. & Sales, M. F. (2013) Hidden in the dry woods: Mapping the collection history and distribution of Gymnanthes boticario, a well-collected but very recently described species restricted to the dry vegetation of South America. Phytotaxa 97: 1 - 16. https: // doi. org / 10.11646 / phytotaxa. 97.1.1"type="journal article"year="2013">