129 lines
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129 lines
13 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.164.55441" ID-GBIF-Dataset="c3e94de4-8cc6-4265-8a96-219e8c73957a" ID-PMC="PMC8359005" ID-Pensoft-Pub="1314-2003-164-67" ID-Pensoft-UUID="F8BB69882078557CB69041DA4DEAEA61" ID-PubMed="34531697" ModsDocID="1314-2003-164-67" checkinTime="1603326363033" checkinUser="pensoft" docAuthor="Queiroz, Luciano Paganucci de & Snak, Cristiane" docDate="2020" docId="5ED4272FCA7C5B99A843846B8540388D" docLanguage="en" docName="PhytoKeys 164: 67-114" docOrigin="PhytoKeys 164" docSource="http://dx.doi.org/10.3897/phytokeys.164.55441" docTitle="Cymbosema Benth., J. Bot. (Hooker) 2: 61. 1840" docType="treatment" docVersion="5" id="F8BB69882078557CB69041DA4DEAEA61" lastPageNumber="67" masterDocId="F8BB69882078557CB69041DA4DEAEA61" masterDocTitle="Revisiting the taxonomy of Dioclea and related genera (Leguminosae, Papilionoideae), with new generic circumscriptions" masterLastPageNumber="114" masterPageNumber="67" pageNumber="67" updateTime="1668140091820" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Revisiting the taxonomy of Dioclea and related genera (Leguminosae, Papilionoideae), with new generic circumscriptions</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Queiroz, Luciano Paganucci de</mods:namePart>
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<mods:affiliation>Programa de Pos-Graduacao em Botanica, Universidade Estadual de Feira de Santana, Av. Transnordestina s / n, Novo Horizonte, 44036 - 900, Feira de Santana, BA, Brazil</mods:affiliation>
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<mods:nameIdentifier type="email">luciano.paganucci@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Snak, Cristiane</mods:namePart>
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<mods:affiliation>Programa de Pos-Graduacao em Botanica, Universidade Estadual de Feira de Santana, Av. Transnordestina s / n, Novo Horizonte, 44036 - 900, Feira de Santana, BA, Brazil & Departamento de Engenharia de Pesca e Ciencias Biologicas, Universidade do Estado de Santa Catarina, Rua Cel. Fernandes Martins 270, Progresso, 88790 - 000, Laguna, Santa Catarina, Brazil</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>164</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>67</mods:start>
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<mods:end>114</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.164.55441</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.164.55441</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-164-67</mods:identifier>
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<mods:identifier type="Pensoft-UUID">F8BB69882078557CB69041DA4DEAEA61</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="168507814" LSID="urn:lsid:plazi:treatment:5ED4272FCA7C5B99A843846B8540388D" httpUri="http://treatment.plazi.org/id/5ED4272FCA7C5B99A843846B8540388D" lastPageNumber="67" pageId="0" pageNumber="67">
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<subSubSection pageId="0" pageNumber="67" type="nomenclature">
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<paragraph pageId="0" pageNumber="67">
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2.
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<taxonomicName LSID="5ED4272F-CA7C-5B99-A843-846B8540388D" authority="Benth., J. Bot. (Hooker) 2: 61. 1840." class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">Cymbosema Benth., J. Bot. (Hooker) 2: 61. 1840.</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="materials_examined">
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<paragraph pageId="0" pageNumber="67">Type.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema roseum" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="species" species="roseum">
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<emphasis italics="true" pageId="0" pageNumber="67">Cymbosema roseum</emphasis>
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</taxonomicName>
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Benth.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="67" type="description">
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<paragraph pageId="0" pageNumber="67">Description.</paragraph>
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<paragraph pageId="0" pageNumber="67">
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Woody twining vines.
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<emphasis bold="true" pageId="0" pageNumber="67">Stipules</emphasis>
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basifixed, not prolonged beyond their base.
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<emphasis bold="true" pageId="0" pageNumber="67">Leaves</emphasis>
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pinnately trifoliolate, long, stipellate, leaf rachis 5-20 mm.
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<emphasis bold="true" pageId="0" pageNumber="67">Inflorescence</emphasis>
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an erect pseudoraceme, nodes multiflorous, sessile, secundiflorous; bracteoles chartaceous.
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<emphasis bold="true" pageId="0" pageNumber="67">Flowers</emphasis>
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with calyx chartaceous, campanulate, the four lobes of almost the same length, upper lobe entire, triangulate, obtuse, lower lobe ovate and acute; petals membranous, bright red, standard petal spreading, rarely reflexed, ecallose, provided with two basal and reflexed auricles, pubescent towards the apex on the outer surface, wing petals as long as the keel, oblong to obovate, provided with a basal spur at the upper margin, keel petals straight, oblanceolate, margins smooth; androecium diadelphous, the vexillary stamen free, the nine remainder fused but free distally, anthers monomorphic, all 10 stamens fertile; intrastaminal nectary disc entire, collar-shaped; pistil almost straight, ovary mostly 5-6-ovulate, sessile, style not swollen.
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<emphasis bold="true" pageId="0" pageNumber="67">Fruits</emphasis>
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shortly oblong, 2.4-2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, up to 2 cm wide, elastically dehiscent, the thin woody valves explosively twisting to release the seeds, upper margin straight, lacking ribs or wings, style persistent and extending as a downcurved rostrum.
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<emphasis bold="true" pageId="0" pageNumber="67">Seeds</emphasis>
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small, up to 10 mm long and 6 mm wide, lenticular (slightly biconvex); testa hard (bony), smooth; hilum linear, encircling almost half of the
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<normalizedToken originalValue="seed’s">seed's</normalizedToken>
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circumference. (Fig.
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Representatives of the clade A. Cleobulia coccinea (Mart. ex Benth.) L. P. Queiroz A flowering vine showing the arcuate inflorescences B detail of the inflorescence showing resupinate flowers; the inset highlights the wing petals (w) much shorter than the standard (s) and keel petals (k) C fruit (from Queiroz 16029). Cleobulia diocleoides Benth. D a resupinate flower showing the reduced wing (from Queiroz 16036). Cymbosema roseum Benth. E part of the inflorescence showing the bird pollinated flowers and the free adaxial stamen (arrow) F immature fruits showing the characteristic broad oblong fruit body and the long beak (from Cardoso 2868). Dioclea virgata (Rich.) Amshoff G flowers (from Cardoso 2374) H fruits (from Cardoso 2100). Dioclea fimbriata Huber I flowers (from Snak 1223). Dioclea burkartii R. H. Maxwell J a seed showing the marbled testa and the elongate hilum encircling about half of its circumpherence (arrow; from Snak 826). Dioclea apurensis K flowers (from Queiroz 13035). Photos A-D, J-K: L. P. Queiroz; E-H: D. Cardoso; I: C. Snak." figureDoi="10.3897/phytokeys.164.55441.figure2" httpUri="https://binary.pensoft.net/fig/465929" pageId="0" pageNumber="67">2E-F</figureCitation>
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).
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</paragraph>
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<paragraph pageId="0" pageNumber="67">
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<emphasis bold="true" pageId="0" pageNumber="67">Discussion</emphasis>
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. Our results support the recognition of
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Cymbosema</emphasis>
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</taxonomicName>
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as a monospecific genus, as originally proposed by
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<bibRefCitation author="Bentham, G" journalOrPublisher="Le Journal de Botanique" pageId="0" pageNumber="67" pagination="38 - 103" refId="B8" refString="Bentham, G, 1840. Contributions towards a Flora of South America. - Enumeration of Plants collected by Mr. Schomburgk in British Guiana. Le Journal de Botanique 2: 38 - 103" title="Contributions towards a Flora of South America. - Enumeration of Plants collected by Mr. Schomburgk in British Guiana." volume="2" year="1840">Bentham (1840</bibRefCitation>
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,
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<bibRefCitation author="Bentham, G" journalOrPublisher="Le Journal de Botanique" pageId="0" pageNumber="67" refId="B9" refString="Bentham, G, 1859. Leguminosae 1, Papilionaceae. In: Martius, CFP, Endlicher, S, Urban, I (Eds) Flora Brasiliensis, vol. 15, part 1. Frid. Fleisher, Munich." title="Leguminosae 1, Papilionaceae. In: Martius, CFP, Endlicher, S, Urban, I (Eds) Flora Brasiliensis, vol. 15, part 1. Frid. Fleisher, Munich." year="1859">1859</bibRefCitation>
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) and maintained by
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<bibRefCitation author="Maxwell, RH" journalOrPublisher="Annals of the Missouri Botanical Garden" pageId="0" pageNumber="67" pagination="252 - 257" publicationUrl="https://www.jstor.org/stable/2395112" refId="B36" refString="Maxwell, RH, 1970. The genus Cymbosema (Leguminosae): Notes and distribution. Annals of the Missouri Botanical Garden 57 (2): 252 - 257, DOI: https://doi.org/10.2307/2395112" title="The genus Cymbosema (Leguminosae): Notes and distribution." url="https://www.jstor.org/stable/2395112" volume="57" year="1970">Maxwell (1970)</bibRefCitation>
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.
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<bibRefCitation DOI="https://doi.org/10.2307/3393023" author="Zamora, N" journalOrPublisher="Novon" pageId="0" pageNumber="67" pagination="175 - 180" refId="B74" refString="Zamora, N, 2000. Nuevas especies y combinaciones en leguminosas de Mesoamerica. Novon 10 (2): 175 - 180, DOI: https://doi.org/10.2307/3393023" title="Nuevas especies y combinaciones en leguminosas de Mesoamerica." url="https://doi.org/10.2307/3393023" volume="10" year="2000">Zamora (2000)</bibRefCitation>
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synonymised
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Cymbosema</emphasis>
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</taxonomicName>
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in
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Dioclea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dioclea" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Dioclea</emphasis>
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</taxonomicName>
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, a proposal that is not supported by our results, which recovered
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Cymbosema</emphasis>
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</taxonomicName>
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as sister to
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cleobulia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cleobulia" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Cleobulia</emphasis>
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</taxonomicName>
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rather than to
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Dioclea" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Dioclea" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Dioclea</emphasis>
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</taxonomicName>
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.
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</paragraph>
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<paragraph pageId="0" pageNumber="67">
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<taxonomicName class="Magnoliopsida" family="Fabaceae" genus="Cymbosema" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Cymbosema" order="Fabales" pageId="0" pageNumber="67" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="0" pageNumber="67">Cymbosema</emphasis>
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</taxonomicName>
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is diagnosed as having flowers with a diadelphous androecium with the vexillary stamen free, petals bright red, the standard petal spreading (only rarely reflexed), keel petals with smooth margins and fruits oblong and falcate.
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</paragraph>
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<paragraph pageId="0" pageNumber="67">Distributed in the Amazon region, extending north to the Pacific coast of Mexico in wet forests.</paragraph>
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</subSubSection>
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</treatment>
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</document> |