215 lines
18 KiB
XML
215 lines
18 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.33.6453" ID-PMC="PMC3921558" ID-Pensoft-Pub="1314-2003-33-41" ID-Pensoft-UUID="FF9CA239FFB66B6DFFA4FF8EFFADFFE3" ID-PubMed="24526847" ID-Zenodo-Dep="576198" ModsDocID="1314-2003-33-41" checkinTime="1451251781366" checkinUser="pensoft" docAuthor="Morillo, Gilberto & Krings, Alexander" docDate="2014" docId="92FA8CC15E0366658F33B93FA0C4F8A7" docLanguage="en" docName="PhytoKeys 33: 41-50" docOrigin="PhytoKeys 33" docPubDate="2014-01-16" docSource="http://dx.doi.org/10.3897/phytokeys.33.6453" docTitle="Phaeostemma surinamensis Morillo & Krings 2014, sp. nov." docType="treatment" docVersion="6" id="FF9CA239FFB66B6DFFA4FF8EFFADFFE3" lastPageNumber="46" masterDocId="FF9CA239FFB66B6DFFA4FF8EFFADFFE3" masterDocTitle="A new species and a new combination in Phaeostemma (Apocynaceae, Asclepiadoideae, Gonolobinae)" masterLastPageNumber="50" masterPageNumber="41" pageNumber="44" updateTime="1668141028769" 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>A new species and a new combination in Phaeostemma (Apocynaceae, Asclepiadoideae, Gonolobinae)</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>Morillo, Gilberto</mods:namePart>
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<mods:affiliation>Departamento de Botanica, Facultad de Ciencias Forestales y Ambientales, Universidad de Los Andes, Merida 5101 - A, Venezuela</mods:affiliation>
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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>Krings, Alexander</mods:namePart>
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<mods:affiliation>Herbarium, Department of Plant and Microbial Biology, North Carolina State University, Raleigh, NC 27695 - 7612, U. S. A.</mods:affiliation>
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<mods:nameIdentifier type="email">alexander_krings@ncsu.edu</mods:nameIdentifier>
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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>2014</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2014-01-16</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>33</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>41</mods:start>
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<mods:end>50</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.33.6453</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.33.6453</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-33-41</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF9CA239FFB66B6DFFA4FF8EFFADFFE3</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576198</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="152024948" LSID="urn:lsid:plazi:treatment:92FA8CC15E0366658F33B93FA0C4F8A7" httpUri="http://treatment.plazi.org/id/92FA8CC15E0366658F33B93FA0C4F8A7" lastPageId="5" lastPageNumber="46" pageId="3" pageNumber="44">
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<subSubSection pageId="3" pageNumber="44" type="nomenclature">
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<paragraph pageId="3" pageNumber="44">
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<taxonomicName LSID="92FA8CC1-5E03-6665-8F33-B93FA0C4F8A7" authority="Morillo & Krings" authorityName="Morillo & Krings" authorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Phaeostemma surinamensis" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="surinamensis" status="sp. nov.">
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<pageBreakToken pageId="3" pageNumber="44" start="start">Phaeostemma</pageBreakToken>
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surinamensis Morillo & Krings
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</taxonomicName>
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<taxonomicNameLabel pageId="3" pageNumber="44">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Flower of Phaeostemma surinamensis. A Abaxial view showing calyx and abaxial corolla lobes B Side view showing adaxial corolla surface and gynostegial corona C Style-head D Staminal corona (Cs). Based on Lindeman et al. 654 (U)." httpUri="https://binary.pensoft.net/fig/10550" pageId="3" pageNumber="44">Figures 3</figureCitation>
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<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Detail of flower (adaxial view) of Phaeostemma surinamensis from holotype (Lindeman et al. 654, U)." httpUri="https://binary.pensoft.net/fig/10553" pageId="3" pageNumber="44">-6</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="44" type="latin">
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<paragraph pageId="3" pageNumber="44">
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A new species of
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<taxonomicName class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma</emphasis>
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</taxonomicName>
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E. Fourn., morphologically similar to
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" baseAuthorityName="Morillo & Krings" baseAuthorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="fucata">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma fucata</emphasis>
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</taxonomicName>
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(Woodson) Morillo & Krings, but differing from the latter among other characters, by leaf blades thinner, membranous, narrowly elliptic to oblanceolate-elliptic, marginally spreading (vs. coriaceous, broadly ovate to ovate-elliptic, marginally revolute in
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" baseAuthorityName="Morillo & Krings" baseAuthorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="fucata">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma fucata</emphasis>
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</taxonomicName>
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), calyx lobes 5.5-6 mm long (vs. 8.5 mm long in
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" baseAuthorityName="Morillo & Krings" baseAuthorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="fucata">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma fucata</emphasis>
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</taxonomicName>
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), staminal corona lobes (Cs) 3-3.2 mm wide, narrower at lateral extremes (vs. 2.3 mm wide at apex, somewhat obtuse at lateral extremes [projections] in
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" baseAuthorityName="Morillo & Krings" baseAuthorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="fucata">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma fucata</emphasis>
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</taxonomicName>
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), and pollinia longer, 1-1.15 mm (vs. ca. 0.8 mm long in
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" baseAuthorityName="Morillo & Krings" baseAuthorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="3" pageNumber="44" phylum="Tracheophyta" rank="species" species="fucata">
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<emphasis italics="true" pageId="3" pageNumber="44">Phaeostemma fucata</emphasis>
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</taxonomicName>
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).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="44" type="type">
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<paragraph pageId="3" pageNumber="44">Type.</paragraph>
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<paragraph pageId="3" pageNumber="44">
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<emphasis bold="true" pageId="3" pageNumber="44">SURINAME.</emphasis>
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Lely Mts., SW plateaus covered by ferrobauxite, in secondary vegetation, at end of airstrip, alt. 550-710 m, 1 Oct 1975,
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<emphasis italics="true" pageId="3" pageNumber="44">
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J.C. Lindeman, A.L. Stoffers, A.R.A.
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<normalizedToken originalValue="Górts-van">Gorts-van</normalizedToken>
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Rijn & M.J. Jansen-Jacobs 654
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</emphasis>
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(Holotype: U!; Isotype: MO!).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="46" pageId="3" pageNumber="44" type="description">
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<paragraph pageId="3" pageNumber="44">Description.</paragraph>
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<paragraph lastPageId="5" lastPageNumber="46" pageId="3" pageNumber="44">
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<emphasis italics="true" pageId="3" pageNumber="44">Vine</emphasis>
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, woody, slender.
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<emphasis italics="true" pageId="3" pageNumber="44">Stems</emphasis>
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densely pubescent, pubescence mixed eglandular and glandular trichomes, eglandular trichomes ubiquitous reddish-brown, stiff, usually spreading, multiseptate, 1.2-2.3 mm long, glandular trichomes spreading, scarce in mature stems, 0.2-0.3 mm long.
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<emphasis italics="true" pageId="3" pageNumber="44">Leaf</emphasis>
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blades membranous, narrowly elliptic to oblanceolate-elliptic, 10.2-15.0
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<normalizedToken originalValue="×">x</normalizedToken>
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3.8-5.8 cm (1.6-1.8 cm wide at base), apex short acute, base narrowly and shortly cordate, trichomes of surfaces, veins, and margins mixed, yellowish-red, adaxial surface strigose, eglandular multicelled trichomes antrorse, curved to subappressed 0.7-1.3 mm long, glandular trichomes 3-4-celled, spreading, 0.15-0.2 mm long, present mainly on midvein, abaxial surface hispid or hispidulous, eglandular multicelled trichomes erect, 0.25-0.7 mm long, glandular trichomes spreading on the midvein, 0.1-0.2 mm long, midvein adaxially sulcate, abaxially prominent, lateral veins in 6-7 pairs, slightly to strongly prominent; colleters 2, digitate-cylindric, 2.8-3.3 mm long; petioles 1.1-1.7 cm long, densely pubescent, pubescence ubiquitous, eglandular multicelled trichomes spreading, 2.8-3.3 mm long, glandular trichomes 3-4-celled, spreading, 0.1-0.2 mm long.
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<emphasis italics="true" pageId="3" pageNumber="44">Inflorescence</emphasis>
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racemiform, 2-4-flowered, 1(-2) flowers open at a time; peduncles 3-5 mm long, sparsely to moderately pubescent, pubescence ubiquitous, eglandular trichomes spreading, 1.2-2 mm long, glandular trichomes 3-4-celled, scarce, spreading, 0.2-0.3 mm long, rachis with scars, 3-4 mm long, bracts oblong, 1.8-2 mm long, abaxially pubescent, eglandular trichomes multicelled, 0.3-0.4 mm long, pedicels 24-33 mm long, densely pubescent, pubescence ubiquitous, eglandular trichomes spreading, 0.9-2.5 mm long, glandular trichomes 3-4-celled, spreading, 0.15-0.3 mm long.
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<emphasis italics="true" pageId="3" pageNumber="44">Calyx</emphasis>
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8.5 mm long, lobes green, dark red at apex, oblong-elliptic, 5.5-6
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<normalizedToken originalValue="×">x</normalizedToken>
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2.4-2.6 mm, apex obtuse, margins entire, adaxial surface mostly glabrous, except few trichomes at apex, abaxial surface densely pubescent, eglandular multicelled trichomes spreading or antrorse, 0.9-1.5 mm long, glandular trichomes
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<pageBreakToken pageId="4" pageNumber="45" start="start">2</pageBreakToken>
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-3-celled, spreading, 0.1-0.3 mm long, colleters 1 per sinus.
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<emphasis italics="true" pageId="4" pageNumber="45">Corolla</emphasis>
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pale green, with green vein network (fide collectoris), broadly subcampanulate, tube 5.5-5.8 mm long, up to 7 mm wide, sparsely short pubescent on the abaxial side, lobes imbricate
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<pageBreakToken pageId="5" pageNumber="46" start="start">in</pageBreakToken>
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bud, deltoid, spreading, 8-9
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<normalizedToken originalValue="×">x</normalizedToken>
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9-10 mm, adaxial surface glabrous, abaxial surface densely pubescent, eglandular trichomes reddish-brown curved, antrorse, 0.5-1.5 mm long, glandular trichomes 3-4-celled, scarce, 0.15-0.25 mm long, apices obtuse-emarginate, margins entire.
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<emphasis italics="true" pageId="5" pageNumber="46">Gynostegium</emphasis>
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stipitate, style-head green yellow, somewhat concave, 4.3-4.5 mm in diameter, stipe 2.5 mm long, terminal style-head appendage absent.
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<emphasis italics="true" pageId="5" pageNumber="46">Corona</emphasis>
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gynostegial, fleshy, of 5 staminal (Cs) apically bifid segments fused to the corolla tube for most of its length, free in the upper 1.5-1.6 mm, apical area bifurcate, dorsally flattened, 3-3.2 mm wide at apex; anthers subtriangular, 1.9-2.1 mm wide between wings; nectar chambers ca. 2.5
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<normalizedToken originalValue="×">x</normalizedToken>
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2.6 mm.
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<emphasis italics="true" pageId="5" pageNumber="46">Pollinarium</emphasis>
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: corpuscula narrowly obovate-sagittate, ca. 0.5
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<normalizedToken originalValue="×">x</normalizedToken>
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0.33 mm long, caudicles ca. 0.22 mm long, pollinia triangular-pyriform, 1.0-1.15
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<normalizedToken originalValue="×">x</normalizedToken>
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0.6 mm.
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<emphasis italics="true" pageId="5" pageNumber="46">Follicles</emphasis>
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in very immature state, ca. 2 cm long, apparently 5-costate, densely glandular-pubescent, eglandular trichomes not seen, glandular trichomes 2-3-celled, 0.1-0.15 mm long.
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<emphasis italics="true" pageId="5" pageNumber="46">Seeds</emphasis>
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unknown.
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</paragraph>
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<caption httpUri="https://binary.pensoft.net/fig/10550" pageId="5" pageNumber="46" start="Figure 3" startId="F3">
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<paragraph pageId="5" pageNumber="46">
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<emphasis bold="true" pageId="5" pageNumber="46">Figure 3.</emphasis>
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Flower of
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="5" pageNumber="46" phylum="Tracheophyta" rank="species" species="surinamensis">
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<emphasis italics="true" pageId="5" pageNumber="46">Phaeostemma surinamensis</emphasis>
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</taxonomicName>
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.
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<emphasis bold="true" pageId="5" pageNumber="46">A</emphasis>
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Abaxial view showing calyx and abaxial corolla lobes
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<emphasis bold="true" pageId="5" pageNumber="46">B</emphasis>
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Side view showing adaxial corolla surface and gynostegial corona
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<emphasis bold="true" pageId="5" pageNumber="46">C</emphasis>
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Style-head
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<emphasis bold="true" pageId="5" pageNumber="46">D</emphasis>
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Staminal corona (Cs). Based on
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<emphasis italics="true" pageId="5" pageNumber="46">Lindeman et al. 654</emphasis>
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(U).
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</paragraph>
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</caption>
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<caption httpUri="https://binary.pensoft.net/fig/10551" pageId="5" pageNumber="46" start="Figure 4" startId="F4">
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<paragraph pageId="5" pageNumber="46">
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<emphasis bold="true" pageId="5" pageNumber="46">Figure 4.</emphasis>
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Holotype of
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="5" pageNumber="46" phylum="Tracheophyta" rank="species" species="surinamensis">
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<emphasis italics="true" pageId="5" pageNumber="46">Phaeostemma surinamensis</emphasis>
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</taxonomicName>
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(
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<emphasis italics="true" pageId="5" pageNumber="46">Lindeman et al. 654</emphasis>
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, U).
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</paragraph>
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</caption>
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<caption httpUri="https://binary.pensoft.net/fig/10552" pageId="5" pageNumber="46" start="Figure 5" startId="F5">
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<paragraph pageId="5" pageNumber="46">
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<emphasis bold="true" pageId="5" pageNumber="46">Figure 5.</emphasis>
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Detail of flower (side view) of
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="5" pageNumber="46" phylum="Tracheophyta" rank="species" species="surinamensis">
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<emphasis italics="true" pageId="5" pageNumber="46">Phaeostemma surinamensis</emphasis>
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</taxonomicName>
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from holotype (
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<emphasis italics="true" pageId="5" pageNumber="46">Lindeman et al. 654</emphasis>
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, U).
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</paragraph>
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</caption>
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<caption httpUri="https://binary.pensoft.net/fig/10553" pageId="5" pageNumber="46" start="Figure 6" startId="F6">
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<paragraph pageId="5" pageNumber="46">
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<emphasis bold="true" pageId="5" pageNumber="46">Figure 6.</emphasis>
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Detail of flower (adaxial view) of
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<taxonomicName authorityName="Morillo & Krings" authorityYear="2014" class="Magnoliopsida" family="Apocynaceae" genus="Phaeostemma" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Gentianales" pageId="5" pageNumber="46" phylum="Tracheophyta" rank="species" species="surinamensis">
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<emphasis italics="true" pageId="5" pageNumber="46">Phaeostemma surinamensis</emphasis>
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</taxonomicName>
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from holotype (
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<emphasis italics="true" pageId="5" pageNumber="46">Lindeman et al. 654</emphasis>
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, U).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="46" type="distribution">
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<paragraph pageId="5" pageNumber="46">Distribution and ecology.</paragraph>
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<paragraph pageId="5" pageNumber="46">Growing on a plateau covered with ferrobauxite rock. Endemic to Suriname, in tropical rain forests 500 to 710 m.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="46" type="phenology">
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<paragraph pageId="5" pageNumber="46">Phenology.</paragraph>
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<paragraph pageId="5" pageNumber="46">Collected in flower in October.</paragraph>
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</subSubSection>
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<subSubSection pageId="5" pageNumber="46" type="conservation status">
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<paragraph pageId="5" pageNumber="46">Conservation status.</paragraph>
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<paragraph pageId="5" pageNumber="46">Currently, very little is known regarding the status of this species.</paragraph>
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</subSubSection>
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</treatment>
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</document> |