367 lines
36 KiB
XML
367 lines
36 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.101.25057" ID-PMC="PMC6031701" ID-Pensoft-Pub="1314-2003-101-1" ID-Pensoft-UUID="FFDEFFE96861FF9F4264FFEFA61CC145" ID-PubMed="29997443" ID-Zenodo-Dep="1305467" ModsDocID="1314-2003-101-1" checkinTime="1530177857167" checkinUser="pensoft" docAuthor="Pellegrini, Marco O. O." docDate="2018" docId="31654E1300B2BE7D56DA4CE8FB94886C" docLanguage="en" docName="PhytoKeys 101: 1-97" docOrigin="PhytoKeys 101" docPubDate="2018-06-27" docSource="http://dx.doi.org/10.3897/phytokeys.101.25057" docTitle="Tradescantia seubertiana M. Pell., Phytotaxa 265 (1): 80. 2016." docType="treatment" docVersion="3" id="FFDEFFE96861FF9F4264FFEFA61CC145" lastPageNumber="40" masterDocId="FFDEFFE96861FF9F4264FFEFA61CC145" masterDocTitle="Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D. R. Hunt) M. Pell. (Commelinaceae)" masterLastPageNumber="97" masterPageNumber="1" pageNumber="36" updateTime="1668138924118" updateUser="ExternalLinkService">
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<mods:titleInfo>
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<mods:title>Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D. R. Hunt) M. Pell. (Commelinaceae)</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>Pellegrini, Marco O. O.</mods:namePart>
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<mods:affiliation>Universidade de Sao Paulo, Departamento de Botanica, Rua do Matao 277, CEP 05508 - 900, Sao Paulo, SP, Brazil</mods:affiliation>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:title>PhytoKeys</mods:title>
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<mods:part>
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<mods:date>2018</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2018-06-27</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>101</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>97</mods:end>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.101.25057</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.101.25057</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-101-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFDEFFE96861FF9F4264FFEFA61CC145</mods:identifier>
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<mods:identifier type="Zenodo-Dep">1305467</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182225022" LSID="urn:lsid:plazi:treatment:31654E1300B2BE7D56DA4CE8FB94886C" httpUri="http://treatment.plazi.org/id/31654E1300B2BE7D56DA4CE8FB94886C" lastPageId="39" lastPageNumber="40" pageId="35" pageNumber="36">
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<subSubSection pageId="35" pageNumber="36" type="nomenclature">
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<paragraph pageId="35" pageNumber="36">
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10.
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<taxonomicName authority="M. Pell., Phytotaxa 265 (1): 80. 2016." authorityName="M. Pell., Phytotaxa 265 (1): 80. 2016." class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="35" pageNumber="36" phylum="Tracheophyta" rank="species" species="seubertiana">Tradescantia seubertiana M.Pell., Phytotaxa 265(1): 80. 2016.</taxonomicName>
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Tradescantia seubertiana M. Pell. A Serra do Corvo Branco, Santa Catarina, Brazil B habit, showing the erect stem C detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base D detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum E detail of the inflorescence, showing the not saccate and unequal cincinni bracts F detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum G side view of a flower, showing the green sepals and pink petals H front view of a flower, showing the pistil longer than the stamens. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure26" httpUri="https://binary.pensoft.net/fig/211919" pageId="35" pageNumber="36">Figs 26</figureCitation>
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<figureCitation captionStart="Figure 27" captionStartId="F27" captionText="Figure 27. Distribution of Tradescantia seubertiana M. Pell. Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest." figureDoi="10.3897/phytokeys.101.25057.figure27" httpUri="https://binary.pensoft.net/fig/211920" pageId="35" pageNumber="36">, 27</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="36" pageNumber="37" type="holotype">
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<paragraph pageId="36" pageNumber="37">
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<pageBreakToken pageId="36" pageNumber="37" start="start">Holotype</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="36" pageNumber="37">
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BRAZIL. Santa Catarina:
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<normalizedToken originalValue="Grão">Grao</normalizedToken>
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<normalizedToken originalValue="Pará">Para</normalizedToken>
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, Serra do Corvo Branco, 4 Oct 2014, fl., M.O.O. Pellegrini et al. 436 (RB barcode RB01045343!; isotypes: UEC!, US barcode US01926164!).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="36" pageNumber="37" type="description">
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<paragraph pageId="36" pageNumber="37">Description.</paragraph>
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<paragraph pageId="36" pageNumber="37">
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<emphasis italics="true" pageId="36" pageNumber="37">Herbs</emphasis>
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rupicolous, ca. 20-40 cm tall.
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<emphasis italics="true" pageId="36" pageNumber="37">Stem</emphasis>
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erect, succulent, little branched, branching at the base, rarely branching at the upper half; internodes 3.1-6.3 cm long at base, distally shorter, green to reddish-purple to vinaceous, glaucous, glabrous.
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<emphasis italics="true" pageId="36" pageNumber="37">Leaves</emphasis>
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distichously-alternate, sessile; ptyxis convolute; sheaths 0.4-1.3 cm long, green to green with vinaceous striations to vinaceous, glaucous, glabrous, margin glabrous; blades ovate to broadly ovate, 2.8-7.7
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<normalizedToken originalValue="×">x</normalizedToken>
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0.9-3.2 cm, falcate to complicate, succulent, glabrous, adaxially light-green, glaucous, abaxially slightly lighter to reddish-purple to vinaceous, glaucous, turning olive-green to light-brown when dry, base cordate to slightly amplexicaulous to obtuse, rarely cuneate, margin green, glabrous, slightly revolute, apex acute; midvein conspicuous to inconspicuous, adaxially impressed to inconspicuous, secondary veins inconspicuous on both sides, becoming more evident on both sides when dry.
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<emphasis italics="true" pageId="36" pageNumber="37">Inflorescences</emphasis>
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terminal or axillar in the distal portion of the stems, 1 per leaf axis; peduncles 1.6-3.7 cm long, green to reddish-purple to vinaceous, glaucous, glabrous; cincinni bracts unequal to strongly unequal to each other, ovate to broadly ovate, 0.7-3.3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.4-1.2 cm, leaf-like, glabrous, adaxially light-green, glaucous, abaxially slightly lighter to reddish-purple to vinaceous, glaucous, base cordate to obtuse, not saccate, margin glabrous, slightly revolute, apex acute; double cincinni ca. 6-14-flowered.
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<emphasis italics="true" pageId="36" pageNumber="37">Flowers</emphasis>
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0.8-1 cm diam., pedicels 0.7-1.4 cm long, green to reddish-purple to vinaceous, glaucous, glabrous, rarely with some odd glandular hairs; floral buds ellipsoid; sepals 4.8-5.9
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<normalizedToken originalValue="×">x</normalizedToken>
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2.4-4.6 mm, dorsally keeled, green to reddish-purple to vinaceous, glaucous, glabrous; petals 6.3-7
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<normalizedToken originalValue="×">x</normalizedToken>
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3.2-4.4 mm, light-pink to pink; filaments 2.8-3.2 mm long, anthers 0.5-0.8
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<normalizedToken originalValue="×">x</normalizedToken>
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1.3-1.5 mm; ovary 1-1.3
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<normalizedToken originalValue="×">x</normalizedToken>
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0.9-1.2 cm, style 4.3-8.5 cm long; pistil longer than the stamens.
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<emphasis italics="true" pageId="36" pageNumber="37">Capsule</emphasis>
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1.8-2.6
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<normalizedToken originalValue="×">x</normalizedToken>
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1.8-2.2 cm.
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<emphasis italics="true" pageId="36" pageNumber="37">Seeds</emphasis>
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1-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.8-1 mm, testa grey to greyish-brown, costate, cleft towards the embryotega; hilum longer than
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<normalizedToken originalValue="½">1/2</normalizedToken>
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the length of the seed.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="specimens seen">
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<paragraph pageId="37" pageNumber="38">
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<pageBreakToken pageId="37" pageNumber="38" start="start">Specimens</pageBreakToken>
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seen.
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</paragraph>
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<paragraph pageId="37" pageNumber="38">
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<emphasis bold="true" pageId="37" pageNumber="38">BRAZIL. Rio Grande do Sul</emphasis>
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:
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<normalizedToken originalValue="Bagé">Bage</normalizedToken>
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, km 82 da rodovia
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<normalizedToken originalValue="Caçapava">Cacapava</normalizedToken>
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do Sul/
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<normalizedToken originalValue="Bagé">Bage</normalizedToken>
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, fl., fr., 30 Sep 1982, J. Mattos 25637 (HAS); Bento
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<normalizedToken originalValue="Gonçalves">Goncalves</normalizedToken>
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, Santa Teresa, fl., 20 Oct 1984, R.A. Wasum 511 (HUCS, PACA, US); na descida da Serra do Vale do Rio das Antas, fl., fr., 17 Oct 1988, N. Silveira & C.J. Mansan 6066 (HAS); Caxias do Sul,
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<normalizedToken originalValue="Galópolis">Galopolis</normalizedToken>
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, fl., 31 Oct 1949, A. Sehnem 4027 (CORD); Pelotas, Instituto
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<normalizedToken originalValue="Agronômico">Agronomico</normalizedToken>
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do Sul, fl., fr., Mar 1955, Boeira 1188 (HAS); Rio Pelotas, BR-116, km 270, fl., 23 Nov 1980, A. Krapovickas & R. Vanni 36870 (CORD, CTES);
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<normalizedToken originalValue="São">Sao</normalizedToken>
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Francisco de Paula, Barragem Passo do Inferno, fl., fr., 28 Nov 1996, C. Mansan & M. Neves s.n. (HAS 36560); fl., 27 Oct 1997, C. Mansan 65 (HAS); Santa Maria do Herval, fl., fr., 1 Nov 1989, N. Silveira 9272 (HAS); Vacaria, entre Vacaria e Caxias do Sul, fl., fr., 26 Oct 1961, E. Pereira et al. 6527 (R, RB);
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<normalizedToken originalValue="à">a</normalizedToken>
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8km do Rio Pelotas, rodovia para Lajes, fl., fr., s.dat., J. Mattos & S.N. Mattos 24682 (HAS); fl., fr., 29 Nov 1986, J. Mattos & S.N. Mattos 30378 (HAS); BR-116, divisa com Lages, fl., 12 Dec 2015, M.O.O. Pellegrini & R.F. Almeida 481 (RB);
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<normalizedToken originalValue="Veranópolis">Veranopolis</normalizedToken>
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, fl., 18 Oct 1986, G. Grazziotin 2149 (HPBR, HUCS, US); 10 km S de
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<normalizedToken originalValue="Veranópolis">Veranopolis</normalizedToken>
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, fl., 16 Sep 1971, J.C. Lindeman & B. Irgang 8107 (CORD, CTES, EFC, HAS, ICN);
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<normalizedToken originalValue="Estação">Estacao</normalizedToken>
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Experimental
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<normalizedToken originalValue="Fitotécnica">Fitotecnica</normalizedToken>
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, fl., fr., 4 Nov 1982, J. Mattos & S.M.H. Bassan 28557 (HAS); no vale do Rio das Antas, fl., 27 Sep 1985, J. Mattos & S.M.H. Bassan 28542 (HAS); no vale do Rio das Antas, fl., 27 Sep 1985, J. Mattos & S.N. Mattos s.n. (HAS no. 67967); no vale do Rio das Antas, na rodovia para
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<normalizedToken originalValue="Veranópolis">Veranopolis</normalizedToken>
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, fl., fr., 27 Oct 1987, J. Mattos & S.N. Silveira 31228 (HAS).
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<emphasis bold="true" pageId="37" pageNumber="38">Santa Catarina</emphasis>
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: Urubici, Rio dos Bugres, fl., fr., 11 Nov 2001, G. Hatschbach et al. 72640 (MBM); Comunidade de
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<normalizedToken originalValue="São">Sao</normalizedToken>
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Pedro, fl., 15 Nov 2008, Silva et al. 7171 (MBM).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="distribution">
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<paragraph pageId="37" pageNumber="38">Distribution and habitat.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="37" pageNumber="38" phylum="Tracheophyta" rank="species" species="seubertiana">
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<emphasis italics="true" pageId="37" pageNumber="38">Tradescantia seubertiana</emphasis>
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</taxonomicName>
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is endemic to the alpine region of Rio Grande do Sul and Santa Catarina, Brazil; in the Atlantic Forest and Pampa domains (Fig.
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<figureCitation captionStart="Figure 27" captionStartId="F27" captionText="Figure 27. Distribution of Tradescantia seubertiana M. Pell. Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest." figureDoi="10.3897/phytokeys.101.25057.figure27" httpUri="https://binary.pensoft.net/fig/211920" pageId="37" pageNumber="38">27</figureCitation>
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). It can be found growing on wet rock walls, from ca. 700 to 1.800 metres above sea level.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="phenology">
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<paragraph pageId="37" pageNumber="38">Phenology.</paragraph>
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<paragraph pageId="37" pageNumber="38">It was found in bloom and fruit from September to March.</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="etymology">
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<paragraph pageId="37" pageNumber="38">Etymology.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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This species was named after the prominent German botanist Moritz August Seubert (1818-1878), in appreciation for his extensive contribution to
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<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="" pageId="37" pageNumber="38" rank="family">Commelinaceae</taxonomicName>
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systematics, especially for his contributions to the knowledge of the Brazilian
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<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="" pageId="37" pageNumber="38" rank="family">Commelinaceae</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="37" pageNumber="38" type="conservation status">
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<paragraph pageId="37" pageNumber="38">Conservation status.</paragraph>
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<paragraph pageId="37" pageNumber="38">
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As stated by
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<bibRefCitation author="Pellegrini, MOO" journalOrPublisher="Flora" pageId="59" pageNumber="60" refId="B35" refString="Pellegrini, MOO, 2015. Filogenia e revisao taxonomica de Tradescantia L. sect. Austrotradescantia D.R.Hunt (Commelinaceae). MSc thesis, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil." title="Filogenia e revisao taxonomica de Tradescantia L. sect. Austrotradescantia D. R. Hunt (Commelinaceae). MSc thesis, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil." year="2015">Pellegrini (2015)</bibRefCitation>
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,
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<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. seubertiana" order="Liliales" pageId="37" pageNumber="38" rank="species" species="seubertiana">
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<emphasis italics="true" pageId="37" pageNumber="38">T. seubertiana</emphasis>
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</taxonomicName>
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is known from few localities and very small populations, none of which are inside any conservation unit. This species is directly threatened by habitat loss, since all known collections are found along roads and high roads, currently being enlarged. In the near future, most known subpopulations might become extinct. Thus, following the IUCN recommendations (
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<bibRefCitation author="IUCN" journalOrPublisher="Kew Bulletin" pageId="59" pageNumber="60" publicationUrl="http://www.iucnredlist.org/" refId="B25" refString="IUCN, 2001. The IUCN red list of threatened species, version 2010.4. IUCN Red List Unit, Cambridge. http://www.iucnredlist.org/" title="The IUCN red list of threatened species, version 2010.4. IUCN Red List Unit, Cambridge." url="http://www.iucnredlist.org/" year="2001">IUCN 2001</bibRefCitation>
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), this species should be considered Critically Endangered [CR, A3cd+C2a(i)].
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="39" lastPageNumber="40" pageId="37" pageNumber="38" type="comments">
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<paragraph pageId="37" pageNumber="38">Comments.</paragraph>
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<paragraph lastPageId="39" lastPageNumber="40" pageId="37" pageNumber="38">
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<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="37" pageNumber="38" phylum="Tracheophyta" rank="species" species="seubertiana">
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<emphasis italics="true" pageId="37" pageNumber="38">Tradescantia seubertiana</emphasis>
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</taxonomicName>
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is a member of the well supported
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<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="37" pageNumber="38" rank="species" species="crassula">
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<emphasis italics="true" pageId="37" pageNumber="38">T. crassula</emphasis>
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</taxonomicName>
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group (
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<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.89.20388" author="Pellegrini, MOO" journalOrPublisher="PhytoKeys" pageId="59" pageNumber="60" pagination="11 - 72" refId="B37" refString="Pellegrini, MOO, 2017. Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11 - 72, DOI: https://doi.org/10.3897/phytokeys.89.20388" title="Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae." url="https://doi.org/10.3897/phytokeys.89.20388" volume="89" year="2017">Pellegrini 2017</bibRefCitation>
|
||
). This group is characterised by
|
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<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.89.20388" author="Pellegrini, MOO" journalOrPublisher="PhytoKeys" pageId="59" pageNumber="60" pagination="11 - 72" refId="B37" refString="Pellegrini, MOO, 2017. Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11 - 72, DOI: https://doi.org/10.3897/phytokeys.89.20388" title="Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae." url="https://doi.org/10.3897/phytokeys.89.20388" volume="89" year="2017">Pellegrini (2017)</bibRefCitation>
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as comprising species with erect habit, definite base, convolute ptyxis, complicate to falcate and succulent leaves, generally with inconspicuous secondary veins (Fig.
|
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Tradescantia seubertiana M. Pell. A Serra do Corvo Branco, Santa Catarina, Brazil B habit, showing the erect stem C detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base D detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum E detail of the inflorescence, showing the not saccate and unequal cincinni bracts F detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum G side view of a flower, showing the green sepals and pink petals H front view of a flower, showing the pistil longer than the stamens. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure26" httpUri="https://binary.pensoft.net/fig/211919" pageId="37" pageNumber="38">26B-D</figureCitation>
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), cincinni bracts non-saccate (Fig.
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<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Tradescantia seubertiana M. Pell. A Serra do Corvo Branco, Santa Catarina, Brazil B habit, showing the erect stem C detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base D detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum E detail of the inflorescence, showing the not saccate and unequal cincinni bracts F detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum G side view of a flower, showing the green sepals and pink petals H front view of a flower, showing the pistil longer than the stamens. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure26" httpUri="https://binary.pensoft.net/fig/211919" pageId="37" pageNumber="38">26E-G</figureCitation>
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), pistil longer than the stamens (Fig.
|
||
<figureCitation captionStart="Figure 26" captionStartId="F26" captionText="Figure 26. Tradescantia seubertiana M. Pell. A Serra do Corvo Branco, Santa Catarina, Brazil B habit, showing the erect stem C detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base D detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum E detail of the inflorescence, showing the not saccate and unequal cincinni bracts F detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum G side view of a flower, showing the green sepals and pink petals H front view of a flower, showing the pistil longer than the stamens. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure26" httpUri="https://binary.pensoft.net/fig/211919" pageId="37" pageNumber="38">26G-H</figureCitation>
|
||
), seeds
|
||
<pageBreakToken pageId="38" pageNumber="39" start="start">cleft</pageBreakToken>
|
||
towards the embryotega, hilum longer than
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
the length of the seed and for preferentially inhabiting open areas and rocky outcrops.
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="38" pageNumber="39" phylum="Tracheophyta" rank="species" species="seubertiana">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">Tradescantia seubertiana</emphasis>
|
||
</taxonomicName>
|
||
is morphologically similar to
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="38" pageNumber="39" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="38" pageNumber="39" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. decora</emphasis>
|
||
</taxonomicName>
|
||
, but only superficially similar to
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="38" pageNumber="39" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
, especially due to its pink petals (which can range in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="38" pageNumber="39" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
from white to light pink to pink to lilac; Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Tradescantia cerinthoides Kunth. A rupicolous subpopulation in the municipality of Vacaria, state of Rio Grande do Sul, Brazil B-C habit B habit, showing the spirally-alternate leaves C habit, showing the distichously-alternate leaves D-F stems and leaf-sheaths D detail of a glabrous stem, vinaceous with green striations and sparsely hispid leaf-sheath, light green with vinaceous striations E detail of a hispid stem, vinaceous with green striations and hispid leaf-sheath, vinaceous with darker striations F detail of a velutine stem, medium green and velutine, pinkish leaf-sheath with vinaceous striations G-J pubescence of the leaf-blades G abaxial side, showing the dark vinaceous colouration and lack of pubescence H abaxial side, showing the vinaceous colouration and sparsely hispid indumentum I adaxial side, showing the medium green colouration and the hispid indumentum J abaxial side, showing the medium green colouration and velutine indumentum K inflorescence, showing the non-saccate cincinni bracts and velutine indumentum L-M floral buds L green floral bud, showing the velutine indumentum M vinaceous floral bud, showing the hispid indumentum N front view of flowers from the same subpopulation (Vacaria, Rio Grande do Sul, Brazil), showing the variation of sepal colour (green to dark vinaceous), sepal pubescence (velutine to sparsely hispid to hispid to densely hispid) and petal colour (white to shades of pink to lilac) O dorsal and ventral views of the seed, showing the costate testa cleft towards the embryotega and the hilum longer than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure10" httpUri="https://binary.pensoft.net/fig/211903" pageId="38" pageNumber="39">10N</figureCitation>
|
||
;
|
||
<bibRefCitation author="Pellegrini, MOO" journalOrPublisher="Flora" pageId="59" pageNumber="60" refId="B35" refString="Pellegrini, MOO, 2015. Filogenia e revisao taxonomica de Tradescantia L. sect. Austrotradescantia D.R.Hunt (Commelinaceae). MSc thesis, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil." title="Filogenia e revisao taxonomica de Tradescantia L. sect. Austrotradescantia D. R. Hunt (Commelinaceae). MSc thesis, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil." year="2015">Pellegrini 2015</bibRefCitation>
|
||
,
|
||
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.89.20388" author="Pellegrini, MOO" journalOrPublisher="PhytoKeys" pageId="59" pageNumber="60" pagination="11 - 72" refId="B37" refString="Pellegrini, MOO, 2017. Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae. PhytoKeys 89: 11 - 72, DOI: https://doi.org/10.3897/phytokeys.89.20388" title="Morphological phylogeny of Tradescantia L. (Commelinaceae) sheds light on a new infrageneric classification for the genus and novelties on the systematics of subtribe Tradescantiinae." url="https://doi.org/10.3897/phytokeys.89.20388" volume="89" year="2017">2017</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.3897/phytokeys.80.12232" author="Pellegrini, MOO" journalOrPublisher="PhytoKeys" pageId="60" pageNumber="61" pagination="1 - 31" refId="B41" refString="Pellegrini, MOO, Forzza, RC, Sakuragui, CM, 2017. Novelties in Brazilian Tradescantia L. (Commelinaceae). PhytoKeys 80: 1 - 31, DOI: https://doi.org/10.3897/phytokeys.80.12232" title="Novelties in Brazilian Tradescantia L. (Commelinaceae)." url="https://doi.org/10.3897/phytokeys.80.12232" volume="80" year="2017">Pellegrini et al. 2017</bibRefCitation>
|
||
). It can be differentiated from
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="38" pageNumber="39" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="38" pageNumber="39" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. decora</emphasis>
|
||
</taxonomicName>
|
||
by its glabrous leaf-sheath margin - a very uncommon character in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="" order="Liliales" pageId="38" pageNumber="39" rank="family">Commelinaceae</taxonomicName>
|
||
- (
|
||
<emphasis italics="true" pageId="38" pageNumber="39">vs.</emphasis>
|
||
leaf-sheath margin ciliate in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="38" pageNumber="39" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and long ciliate in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="38" pageNumber="39" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. decora</emphasis>
|
||
</taxonomicName>
|
||
), leaf base cordate to slightly amplexicaulous to obtuse (
|
||
<emphasis italics="true" pageId="38" pageNumber="39">vs.</emphasis>
|
||
obtuse to truncate), ellipsoid flower buds (vs. broadly ovoid in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="38" pageNumber="39" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="38" pageNumber="39" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. decora</emphasis>
|
||
</taxonomicName>
|
||
), sepals glabrous (
|
||
<emphasis italics="true" pageId="38" pageNumber="39">vs.</emphasis>
|
||
setose along the keel in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="38" pageNumber="39" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="38" pageNumber="39">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and with
|
||
<pageBreakToken pageId="39" pageNumber="40" start="start">minute</pageBreakToken>
|
||
caducous hairs at the apex of the sepals in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="39" pageNumber="40" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. decora</emphasis>
|
||
</taxonomicName>
|
||
) and by its light pink to pink petals (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
white in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="39" pageNumber="40" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
). It can be easily differentiated from
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
by being almost entirely glabrous (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
generally densely pubescent in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
with a mixture of glandular and eglandular, hyaline to light brown to golden hairs), inconspicuous secondary veins (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
conspicuous in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
), its unequal cincinni bracts (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
equal in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
), ellipsoid floral buds (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
ovoid in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
) and keeled and glabrous sepals (
|
||
<emphasis italics="true" pageId="39" pageNumber="40">vs.</emphasis>
|
||
not keeled and densely pubescent in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
with a mixture of glandular and eglandular, hyaline to light brown to golden hairs). Additionally,
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. seubertiana" order="Liliales" pageId="39" pageNumber="40" rank="species" species="seubertiana">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. seubertiana</emphasis>
|
||
</taxonomicName>
|
||
is found growing exclusively on wet rocky cliffs, while
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. cerinthoides" order="Liliales" pageId="39" pageNumber="40" rank="species" species="cerinthoides">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. cerinthoides</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. crassula" order="Liliales" pageId="39" pageNumber="40" rank="species" species="crassula">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. crassula</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. decora" order="Liliales" pageId="39" pageNumber="40" rank="species" species="decora">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">T. decora</emphasis>
|
||
</taxonomicName>
|
||
are commonly found growing in open fields, sand dunes near the shore, dry rocky outcrops or understorey as terrestrial or epiphytes.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1305543" doi="10.3897/phytokeys.101.25057.figure26" httpUri="https://binary.pensoft.net/fig/211919" pageId="39" pageNumber="40" start="Figure 26" startId="F26">
|
||
<paragraph pageId="39" pageNumber="40">
|
||
<emphasis bold="true" pageId="39" pageNumber="40">Figure 26.</emphasis>
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="39" pageNumber="40" phylum="Tracheophyta" rank="species" species="seubertiana">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">Tradescantia seubertiana</emphasis>
|
||
</taxonomicName>
|
||
M.Pell.
|
||
<emphasis bold="true" pageId="39" pageNumber="40">A</emphasis>
|
||
Serra do Corvo Branco, Santa Catarina, Brazil
|
||
<emphasis bold="true" pageId="39" pageNumber="40">B</emphasis>
|
||
habit, showing the erect stem
|
||
<emphasis bold="true" pageId="39" pageNumber="40">C</emphasis>
|
||
detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base
|
||
<emphasis bold="true" pageId="39" pageNumber="40">D</emphasis>
|
||
detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum
|
||
<emphasis bold="true" pageId="39" pageNumber="40">E</emphasis>
|
||
detail of the inflorescence, showing the not saccate and unequal cincinni bracts
|
||
<emphasis bold="true" pageId="39" pageNumber="40">F</emphasis>
|
||
detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum
|
||
<emphasis bold="true" pageId="39" pageNumber="40">G</emphasis>
|
||
side view of a flower, showing the green sepals and pink petals
|
||
<emphasis bold="true" pageId="39" pageNumber="40">H</emphasis>
|
||
front view of a flower, showing the pistil longer than the stamens. Photos by M.O.O. Pellegrini.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1305545" doi="10.3897/phytokeys.101.25057.figure27" httpUri="https://binary.pensoft.net/fig/211920" pageId="39" pageNumber="40" start="Figure 27" startId="F27">
|
||
<paragraph pageId="39" pageNumber="40">
|
||
<emphasis bold="true" pageId="39" pageNumber="40">Figure 27.</emphasis>
|
||
Distribution of
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia seubertiana" order="Commelinales" pageId="39" pageNumber="40" phylum="Tracheophyta" rank="species" species="seubertiana">
|
||
<emphasis italics="true" pageId="39" pageNumber="40">Tradescantia seubertiana</emphasis>
|
||
</taxonomicName>
|
||
M.Pell. Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |