207 lines
14 KiB
XML
207 lines
14 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.138.38721" ID-PMC="PMC6969003" ID-Pensoft-Pub="1314-2003-138-203" ID-Pensoft-UUID="37174C2A6257592B83BED9D2E2CAA79B" ID-PubMed="31988614" ModsDocID="1314-2003-138-203" checkinTime="1578758105156" checkinUser="pensoft" docAuthor="Maw, Mya Bhone, Ding, Hong-Bo, Yang, Bin, Win, Pyae Pyae & Tan, Yun-Hong" docDate="2020" docId="507B099AA9425722BCDB4248CC0A2C77" docLanguage="en" docName="PhytoKeys 138: 203-217" docOrigin="PhytoKeys 138" docSource="http://dx.doi.org/10.3897/phytokeys.138.38721" docTitle="Begonia rheophytica M. Hughes, Edinb. J. Bot. 76 (2): 2. 2019" docType="treatment" docVersion="5" id="37174C2A6257592B83BED9D2E2CAA79B" lastPageNumber="203" masterDocId="37174C2A6257592B83BED9D2E2CAA79B" masterDocTitle="Taxonomic studies on Begonia (Begoniaceae) in Myanmar I: three new species and supplementary description of Begonia rheophytica from Northern Myanmar" masterLastPageNumber="217" masterPageNumber="203" pageNumber="203" updateTime="1668139614508" 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>Taxonomic studies on Begonia (Begoniaceae) in Myanmar I: three new species and supplementary description of Begonia rheophytica from Northern Myanmar</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>Maw, Mya Bhone</mods:namePart>
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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>Ding, Hong-Bo</mods:namePart>
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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>Yang, Bin</mods:namePart>
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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>Win, Pyae Pyae</mods:namePart>
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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>Tan, Yun-Hong</mods:namePart>
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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>138</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>203</mods:start>
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<mods:end>217</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.138.38721</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.138.38721</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-138-203</mods:identifier>
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<mods:identifier type="Pensoft-UUID">37174C2A6257592B83BED9D2E2CAA79B</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="161672086" LSID="urn:lsid:plazi:treatment:507B099AA9425722BCDB4248CC0A2C77" httpUri="http://treatment.plazi.org/id/507B099AA9425722BCDB4248CC0A2C77" lastPageNumber="203" pageId="0" pageNumber="203">
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<subSubSection pageId="0" pageNumber="203" type="nomenclature">
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<paragraph pageId="0" pageNumber="203">
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<taxonomicName LSID="507B099A-A942-5722-BCDB-4248CC0A2C77" authority="M. Hughes, Edinb. J. Bot. 76 (2): 2. 2019" authorityName="M. Hughes, Edinb. J. Bot. 76 (2): 2." authorityYear="2019" class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia rheophytica" order="Cucurbitales" pageId="0" pageNumber="203" phylum="Tracheophyta" rank="species" species="rheophytica">Begonia rheophytica M. Hughes, Edinb. J. Bot. 76(2): 2. 2019</taxonomicName>
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<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Begonia rheophytica M. Hughes (photographed by H. B. Ding and Y. H. Tan) A habitat B staminate flower (front view) C pistillate flowers D inflorescences E staminate flowers (front and back view) F single leaf (back view) G single leaf (front view) H pistillate flower I ovary with gynoecium, pedicel and bracts J ovary with gynoecium K bracts L pedicel M androecium with pedicel N tepals of staminate flower O tepals of pistillate flower P capsule Q-R cross section of ovary." figureDoi="10.3897/phytokeys.138.38721.figure5" httpUri="https://binary.pensoft.net/fig/370293" pageId="0" pageNumber="203">Figure 5</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="203" type="materials_examined">
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<paragraph pageId="0" pageNumber="203">Type.</paragraph>
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<paragraph pageId="0" pageNumber="203">
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Myanmar. Hills east of the Mali Hka, 2000-3000 ft, xii 1930,
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<emphasis italics="true" pageId="0" pageNumber="203">Kingdon-Ward 9067</emphasis>
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(holotype: BM000896328; isotypes: BM000896327, NY02652766).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="203" type="description">
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<paragraph pageId="0" pageNumber="203">Description.</paragraph>
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<paragraph pageId="0" pageNumber="203">
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Herb, rhizomatous, firmly rooted to rock.
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<emphasis bold="true" pageId="0" pageNumber="203">Rhizome</emphasis>
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2.5-4.0 cm long and 0.5-1.0 cm in diam., internode 0.2-0.7 cm long.
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<emphasis bold="true" pageId="0" pageNumber="203">Stipule</emphasis>
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reddish brown, eventually deciduous, narrowly triangular, 0.7-1.0
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<normalizedToken originalValue="×">x</normalizedToken>
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0.3-0.5 cm, keeled, margin entire, glabrous.
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<emphasis bold="true" pageId="0" pageNumber="203">Leaf</emphasis>
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petiole deep red or deep red to green, turns to brown in mature leaves, sparsely or densely white pilose, 4-17 cm in length, deeply grooved above;
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<emphasis bold="true" pageId="0" pageNumber="203">blade</emphasis>
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symmetric, narrowly lanceolate, 13.4-18.2(-21)
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<normalizedToken originalValue="×">x</normalizedToken>
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2.2-4.0 cm, base attenuate, sometimes unequal, margin red, toothed, teeth tipped by a short ciliate, sometimes undulate, apex elongate; adaxially dark green, glabrous; abaxially pale green, veins densely or sparsely white pubescent; venation pinnate, 5-7 pairs of veins, reddish green in young leaves, red in mature leaves.
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<emphasis bold="true" pageId="0" pageNumber="203">Inflorescence</emphasis>
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axillary, cymose, peduncle erect, 14-20 cm long, reddish green or pale reddish brown, sparsely hairy;
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<emphasis bold="true" pageId="0" pageNumber="203">bract</emphasis>
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caducous, broadly ovate-triangular (or ovate-lanceolate), 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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3-5 mm, purplish red to dark yellow-green, margin entire, hairless.
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<emphasis bold="true" pageId="0" pageNumber="203">Staminate flower</emphasis>
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: pedicel 1.9-2.1 cm, pale pink (or) pinkish white, sparsely hairy; bracteoles ca. 3 mm, narrowly ovate, dark yellow green, margin entire, hairless, soon falling,
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<emphasis bold="true" pageId="0" pageNumber="203">tepals</emphasis>
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4, unequal, inner 2, elliptic, 1.4-1.7
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-1.0 cm, pure white to pinkish, margin entire, outer tepals 2, broadly ovate, 1.1-1.8
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<normalizedToken originalValue="×">x</normalizedToken>
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1.1-1.5 cm, pure white or pinkish, tip rounded, margin entire; androecium actinomorphic; stamens numerous, filaments fused at base; anther golden yellow, narrowly oblong, apex rounded.
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<emphasis bold="true" pageId="0" pageNumber="203">Pistillate flower</emphasis>
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: pedicels 2-3 cm, reddish or purplish red, hairless;
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<emphasis bold="true" pageId="0" pageNumber="203">bracteole</emphasis>
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narrowly ovate 6-8
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<normalizedToken originalValue="×">x</normalizedToken>
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3-5 mm, dark yellow green (sometimes crystal white), soon falling;
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<emphasis bold="true" pageId="0" pageNumber="203">tepals</emphasis>
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5-6, unequal, outer 2, equal, broadly ovate, tip rounded, 0.7-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-1.2 cm, pure white or white to rosy pink, inner 3 or 4, unequal, 3 larger, 0.8-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.7-1.0 cm, elliptic, pure white or pinkish, tip rounded, 1 smaller, ca. 0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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0.3 cm, pure white, crescent, styles 2, free, stigma bifid with twisted bands, greenish yellow, 4-5 mm long, ovary purplish red, ca. 9-15 mm long, 2-4 mm in diam., wings 3, unequal, placentation axile, locules 2, placentae 2 per locule.
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<emphasis bold="true" pageId="0" pageNumber="203">Capsule</emphasis>
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nodding, 3-winged, unequal, major wing 8-12 mm long, lateral wings 2-3 mm long.
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</paragraph>
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<caption doi="10.3897/phytokeys.138.38721.figure5" httpUri="https://binary.pensoft.net/fig/370293" pageId="0" pageNumber="203" start="Figure 5" startId="F5">
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<paragraph pageId="0" pageNumber="203">
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<emphasis bold="true" pageId="0" pageNumber="203">Figure 5.</emphasis>
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<taxonomicName class="Magnoliopsida" family="Begoniaceae" genus="Begonia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Begonia rheophytica" order="Cucurbitales" pageId="0" pageNumber="203" phylum="Tracheophyta" rank="species" species="rheophytica">
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<emphasis italics="true" pageId="0" pageNumber="203">Begonia rheophytica</emphasis>
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</taxonomicName>
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M. Hughes (photographed by H.B. Ding and Y.H. Tan)
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<emphasis bold="true" pageId="0" pageNumber="203">A</emphasis>
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habitat
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<emphasis bold="true" pageId="0" pageNumber="203">B</emphasis>
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staminate flower (front view)
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<emphasis bold="true" pageId="0" pageNumber="203">C</emphasis>
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pistillate flowers
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<emphasis bold="true" pageId="0" pageNumber="203">D</emphasis>
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inflorescences
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<emphasis bold="true" pageId="0" pageNumber="203">E</emphasis>
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staminate flowers (front and back view)
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<emphasis bold="true" pageId="0" pageNumber="203">F</emphasis>
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single leaf (back view)
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<emphasis bold="true" pageId="0" pageNumber="203">G</emphasis>
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single leaf (front view)
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<emphasis bold="true" pageId="0" pageNumber="203">H</emphasis>
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pistillate flower
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<emphasis bold="true" pageId="0" pageNumber="203">I</emphasis>
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ovary with gynoecium, pedicel and bracts
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<emphasis bold="true" pageId="0" pageNumber="203">J</emphasis>
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ovary with gynoecium
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<emphasis bold="true" pageId="0" pageNumber="203">K</emphasis>
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bracts
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<emphasis bold="true" pageId="0" pageNumber="203">L</emphasis>
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pedicel
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<emphasis bold="true" pageId="0" pageNumber="203">M</emphasis>
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androecium with pedicel
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<emphasis bold="true" pageId="0" pageNumber="203">N</emphasis>
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tepals of staminate flower
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<emphasis bold="true" pageId="0" pageNumber="203">O</emphasis>
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tepals of pistillate flower
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<emphasis bold="true" pageId="0" pageNumber="203">P</emphasis>
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capsule
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<emphasis bold="true" pageId="0" pageNumber="203">Q-R</emphasis>
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cross section of ovary.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="203" type="distribution">
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<paragraph pageId="0" pageNumber="203">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="203">Only found in Putao District, Kachin State, Northern Myanmar.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="203" type="materials_examined">
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<paragraph pageId="0" pageNumber="203">Additional specimens examined.</paragraph>
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<paragraph pageId="0" pageNumber="203">
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Myanmar, Kachin State, Putao District, Camp 1 to Namti (Camp 2), understory herbs in tropical rain forest,
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<geoCoordinate degrees="27" direction="north" minutes="24" orientation="latitude" precision="1" seconds="36.80" value="27.410221">27°24'36.80"N</geoCoordinate>
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,
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<geoCoordinate degrees="97" direction="east" minutes="39" orientation="longitude" precision="1" seconds="24.38" value="97.65678">97°39'24.38"E</geoCoordinate>
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, 801 m, 12 December 2018,
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<emphasis italics="true" pageId="0" pageNumber="203">Myanmar Exped. M3427</emphasis>
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(HITBC!; RAF!); Kachin State, Putao District, near around Camp 1, understory herbs in tropical rain forest,
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<geoCoordinate degrees="27" direction="north" minutes="24" orientation="latitude" precision="1" seconds="18.70" value="27.405193">27°24'18.70"N</geoCoordinate>
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,
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<geoCoordinate degrees="97" direction="east" minutes="36" orientation="longitude" precision="1" seconds="24.18" value="97.60671">97°36'24.18"E</geoCoordinate>
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, 850 m, 11 December 2018,
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<emphasis italics="true" pageId="0" pageNumber="203">Myanmar Exped. M3334</emphasis>
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(HITBC!; RAF!); Kachin State, Putao District, humid rocks near streams or near caves by waterfall of tropical montane forest,
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<geoCoordinate degrees="27" direction="north" minutes="24" orientation="latitude" precision="1" seconds="46.31" value="27.412863">27°24'46.31"N</geoCoordinate>
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,
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<geoCoordinate degrees="93" direction="east" minutes="39" orientation="longitude" precision="1" seconds="36.28" value="93.66008">93°39'36.28"E</geoCoordinate>
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, 808 m, 16 December 2017,
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<emphasis italics="true" pageId="0" pageNumber="203">Myanmar Exped. M3747</emphasis>
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(HITBC!, RAF!).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="203" type="notes">
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<paragraph pageId="0" pageNumber="203">Note.</paragraph>
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<paragraph pageId="0" pageNumber="203">
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This species was originally described by
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<bibRefCitation DOI="https://doi.org/10.1017/S0960428619000052" author="Hughes, M" journalOrPublisher="Edinburgh Journal of Botany" pageId="0" pageNumber="203" pagination="1 - 11" refId="B8" refString="Hughes, M, Aung, M, Armstrong, K, 2019. An updated checklist and a new species of Begonia (B. rheophytica) from Myanmar. Edinburgh Journal of Botany 76 (2): 1 - 11, DOI: https://doi.org/10.1017/S0960428619000052" title="An updated checklist and a new species of Begonia (B. rheophytica) from Myanmar." url="https://doi.org/10.1017/S0960428619000052" volume="76" year="2019">Hughes et al. (2019)</bibRefCitation>
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from the male flowering plant only. Here, we provide a supplementary description of
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<taxonomicName lsidName="B. rheophytica" pageId="0" pageNumber="203" rank="species" species="rheophytica">
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<emphasis italics="true" pageId="0" pageNumber="203">B. rheophytica</emphasis>
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</taxonomicName>
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with a detailed monograph of female flowers from Putao, Kachin State, Northern Myanmar.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |