358 lines
38 KiB
XML
358 lines
38 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="4474E8DE38C7733134D6B2900034D8DB" 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 atlantica M. Pell. 2018, sp. nov." docType="treatment" docVersion="3" id="FFDEFFE96861FF9F4264FFEFA61CC145" lastPageNumber="12" masterDocId="FFDEFFE96861FF9F4264FFEFA61CC145" masterDocTitle="Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D. R. Hunt) M. Pell. (Commelinaceae)" masterLastPageNumber="97" masterPageNumber="1" pageNumber="12" updateTime="1668138924118" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D. R. Hunt) M. Pell. (Commelinaceae)</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Pellegrini, Marco O. O.</mods:namePart>
|
||
<mods:affiliation>Universidade de Sao Paulo, Departamento de Botanica, Rua do Matao 277, CEP 05508 - 900, Sao Paulo, SP, Brazil</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>PhytoKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2018</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2018-06-27</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>101</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>1</mods:start>
|
||
<mods:end>97</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.101.25057</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.101.25057</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-101-1</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">FFDEFFE96861FF9F4264FFEFA61CC145</mods:identifier>
|
||
<mods:identifier type="Zenodo-Dep">1305467</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="182225021" LSID="urn:lsid:plazi:treatment:4474E8DE38C7733134D6B2900034D8DB" httpUri="http://treatment.plazi.org/id/4474E8DE38C7733134D6B2900034D8DB" lastPageNumber="12" pageId="11" pageNumber="12">
|
||
<subSubSection pageId="11" pageNumber="12" type="nomenclature">
|
||
<paragraph pageId="11" pageNumber="12">
|
||
1.
|
||
<taxonomicName LSID="urn:lsid:ipni.org:names:77185915-1" authority="M. Pell." authorityName="M. Pell." authorityYear="2018" class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica" status="sp. nov.">Tradescantia atlantica M.Pell.</taxonomicName>
|
||
<taxonomicNameLabel pageId="11" pageNumber="12">sp. nov.</taxonomicNameLabel>
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">Figs 8</figureCitation>
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Distribution of Tradescantia atlantica M. Pell. Orange- Cerrado; Red- Caatinga; Dark green- Atlantic Forest." figureDoi="10.3897/phytokeys.101.25057.figure9" httpUri="https://binary.pensoft.net/fig/211902" pageId="11" pageNumber="12">, 9</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="diagnosis">
|
||
<paragraph pageId="11" pageNumber="12">Diagnosis.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
Similar to
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
due to its definite base, erect and densely branched stems, involute ptyxis, leaf-blades with conspicuous secondary veins, saccate and strongly unequal cincinni bracts, keeled sepals, pistil the same length as the stamens, seeds with rugose testa and hilum shorter than
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
the length of the seed. It can be differentiated by its fibrous stems, sessile leaves with velutine to hispid, light brown to hyaline indumentum, broadly ovoid floral buds, sepals with a mixture of glandular and eglandular hairs restricted to the keel and petals always white and plicate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="materials_examined">
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<typeStatus>Type</typeStatus>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<materialsCitation collectingDate="2012-01-26" collectorName="M. O. O. Pellegrini" country="BRAZIL" location="Reserva Ecologica de Macae de Cima" municipality="Nova Friburgo" specimenCount="1" stateProvince="Rio de Janeiro" typeStatus="holotype">
|
||
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
|
||
.
|
||
<collectingRegion country="Brazil" name="Rio de Janeiro">Rio de Janeiro</collectingRegion>
|
||
:
|
||
<collectingMunicipality>Nova Friburgo</collectingMunicipality>
|
||
,
|
||
<location LSID="urn:lsid:plazi:treatment:4474E8DE38C7733134D6B2900034D8DB:B48B2C74063D06B2D991819D2CF87E27" country="BRAZIL" municipality="Nova Friburgo" name="Reserva Ecologica de Macae de Cima" stateProvince="Rio de Janeiro">
|
||
Reserva
|
||
<normalizedToken originalValue="Ecológica">Ecologica</normalizedToken>
|
||
de
|
||
<normalizedToken originalValue="Macaé">Macae</normalizedToken>
|
||
de Cima
|
||
</location>
|
||
, fl., fr.,
|
||
<collectingDate value="2012-01-26">26 Jan 2012</collectingDate>
|
||
,
|
||
<collectorName>M.O.O. Pellegrini</collectorName>
|
||
et al. 207 (
|
||
<typeStatus>holotype</typeStatus>
|
||
: RB barcode RB01025675!)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="description">
|
||
<paragraph pageId="11" pageNumber="12">Description.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Herbs</emphasis>
|
||
ca. 10-35 cm tall, with a definite base, terrestrial.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Stems</emphasis>
|
||
erect, fibrous, branched to densely branched; internodes 1.8-6.1 cm long at base, distally shorter, dark green to vinaceous, glabrous, except for a leaf-opposed longitudinal line of short, uniseriate, light brown to hyaline hairs.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Leaves</emphasis>
|
||
distichously-alternate, sessile; ptyxis involute; sheaths 4.1-7.6 mm long, light green to pink with dark green to purple striations, glabrous, margin setose, hairs light brown to hyaline; blades 3.3-10.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.9-3.4 cm, elliptic to ovate, flat, membranous to chartaceous, velutine to hispid on both sides, rarely hairs restricted to the midvein, hairs light brown to hyaline, adaxially dark green, abaxially green, sometimes with vinaceous blotches, turning dark brown to olive-green on both sides when dry, base obtuse to rounded, margin ciliolate, slightly revolute, apex acute to acuminate; midvein conspicuous, adaxially impressed, secondary veins conspicuous, adaxially impressed, abaxially prominent, becoming more evident on both sides when dry.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Synflorescences</emphasis>
|
||
terminal or axillar in the distal portion of the stems, composed of a solitary main florescence, 1 per leaf axis.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Inflorescences (main florescences)</emphasis>
|
||
consisting of a pedunculate double-cincinni fused back to back; peduncles 1.9-3.7 cm long, dark green to vinaceous, glabrous, except for a leaf-opposed longitudinal line of short, uniseriate, light brown to hyaline hairs; basal bract inconspicuous, tubular, hyaline, glabrous; peduncle bracts absent; supernumerary bracts absent; cincinni bracts 1.2-3.4
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.4-1.3 cm, leaf-like, unequal to strongly unequal to each other, elliptic to narrowly ovate to ovate, velutine to hispid on both sides, rarely hairs restricted to the midvein, hairs light brown to hyaline, adaxially dark green, abaxially green with vinaceous blotches, base cordate to round, saccate, margin ciliolate, slightly revolute, apex acuminate; double-cincinni (4-)6-8-flowered; bracteoles inconspicuous, imbricate, linear-triangular to triangular, hyaline.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Flowers</emphasis>
|
||
1.1-1.3 cm diam.; floral buds broadly ovoid, apex acute; pedicels 1.2-3.4 mm long, upright at anthesis and pre-anthesis, reflexed at post-anthesis, vinaceous, densely glandular-pubescent, rarely with a mixture of glandular and eglandular, hyaline hairs; sepals 3.8-5.3
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
2.6-4.2 mm, dorsally keeled, with a mixture of glandular and eglandular, hyaline hairs restricted to the keel, hairs hyaline to light brown; petals 6.6-8.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
3.7-5.2 mm, plicate, white; filaments 3.6-4.9 mm long, anthers 0.4-0.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.5-0.6 mm; ovary 0.9-1.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.8-1.2 mm, style 3.8-4.0 cm long, pistil the same length as the stamens.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Capsules</emphasis>
|
||
3-3.5
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
2.1-2.4 mm.
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Seeds</emphasis>
|
||
1.4-1.6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
1.1-1.3 mm, greyish-brown to brown, not cleft towards the embryotega, rugose; hilum shorter than
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
the length of the seed.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="specimens seen (paratypes)">
|
||
<paragraph pageId="11" pageNumber="12">Specimens seen (paratypes).</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<emphasis bold="true" pageId="11" pageNumber="12">BRAZIL. Minas Gerais</emphasis>
|
||
: Tiradentes, caminho para a Serra de
|
||
<normalizedToken originalValue="São">Sao</normalizedToken>
|
||
<normalizedToken originalValue="José">Jose</normalizedToken>
|
||
, fl., fr., 16 Jan 1994, A.M. Giulietti et al. 13666 (K, SPF).
|
||
<emphasis bold="true" pageId="11" pageNumber="12">Rio de Janeiro</emphasis>
|
||
: Itatiaia, Parque Nacional do Itatiaia, Planalto, proximidades do Brejo da Lapa, fl., fr., 3 Dec 1996, J.M.A. Braga et al. 3708 (RB); Nova Friburgo, Furnas do Catete, fl., fr., 4 Apr 1965, J.C. Siqueira 2032 (FCAB); fl., fr., 3 Jun 1987, L.C. Giordano & D.P. Costa 313 (RB).
|
||
<emphasis bold="true" pageId="11" pageNumber="12">
|
||
<normalizedToken originalValue="São">Sao</normalizedToken>
|
||
Paulo
|
||
</emphasis>
|
||
:
|
||
<normalizedToken originalValue="São">Sao</normalizedToken>
|
||
Paulo, Santo Amaro,
|
||
<normalizedToken originalValue="Seminário">Seminario</normalizedToken>
|
||
<normalizedToken originalValue="Espírito">Espirito</normalizedToken>
|
||
Santo, fl., fr., 20 Oct 1943, L. Roth 812 (SP); Parque Estadual da Serra do Mar, margem esquerda do Rio Quilombo, fl., 9 Oct 1989, D.G. Scaravelli s.n. (ESA no. 5253, RB no. 628820);
|
||
<normalizedToken originalValue="Tapiraí">Tapirai</normalizedToken>
|
||
, Cachoeira do
|
||
<normalizedToken originalValue="Chá">Cha</normalizedToken>
|
||
, fl., 18 Oct 1994, K.D. Barreto et al. 3056 (ESA, RB, SPVR, US).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="distribution">
|
||
<paragraph pageId="11" pageNumber="12">Distribution and habitat.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
is endemic to Brazil, more precisely to the states of Minas Gerais, Rio de Janeiro and
|
||
<normalizedToken originalValue="São">Sao</normalizedToken>
|
||
Paulo; in the Atlantic Forest domain (Fig.
|
||
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Distribution of Tradescantia atlantica M. Pell. Orange- Cerrado; Red- Caatinga; Dark green- Atlantic Forest." figureDoi="10.3897/phytokeys.101.25057.figure9" httpUri="https://binary.pensoft.net/fig/211902" pageId="11" pageNumber="12">9</figureCitation>
|
||
). It can be found growing as a terrestrial understorey in shaded and moist forests.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="phenology">
|
||
<paragraph pageId="11" pageNumber="12">Phenology.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">It was found in bloom and fruit from October to June but peaking during January.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="etymology">
|
||
<paragraph pageId="11" pageNumber="12">Etymology.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
The epithet makes reference to this
|
||
<normalizedToken originalValue="species’">species'</normalizedToken>
|
||
distribution range, restricted to the Atlantic Forest domain.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="conservation status">
|
||
<paragraph pageId="11" pageNumber="12">Conservation status.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
possesses a wide EOO (ca. 60,715.793 km2), but a considerably narrow AOO (ca. 32.000 km2). Since it is only known from seven very fragmented collections, following the
|
||
<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>
|
||
recommendations,
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. atlantica" order="Liliales" pageId="11" pageNumber="12" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. atlantica</emphasis>
|
||
</taxonomicName>
|
||
should be considered Endangered [EN, A2cde+B2ab(ii, iii, iv)+D2].
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="11" pageNumber="12" type="comments">
|
||
<paragraph pageId="11" pageNumber="12">Comments.</paragraph>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
is a member of the
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
species complex, being morphologically similar to
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tucumanensis">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tucumanensis</emphasis>
|
||
</taxonomicName>
|
||
, due to its definite base, conspicuous secondary veins (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8B</figureCitation>
|
||
), saccate and unequal to strongly unequal cincinni bracts (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8F</figureCitation>
|
||
), keeled sepals (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8G</figureCitation>
|
||
), pistil the same length as the stamens (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8H</figureCitation>
|
||
), seeds with rugose testa and hilum shorter than
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
the length of the seed (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8I</figureCitation>
|
||
). It was previously tentatively included by me (
|
||
<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>
|
||
) under a much broader
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
, due to its erect stems and ovoid floral buds. Nonetheless, after further herbarium and field studies, I have come to the conclusion it indeed merits taxonomic recognition. The fibrous stems and sessile leaves (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8B</figureCitation>
|
||
) vegetatively differentiate
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. atlantica" order="Liliales" pageId="11" pageNumber="12" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. atlantica</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
, with the fibrous stems being unique in the subgenus. Also, the velutine to hispid indumentum covering the leaves (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8C</figureCitation>
|
||
) is different from the much coarser indumentum observed in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Indumentum morphology in Tradescantia subg. Austrotradescantia. A completely glabrous stems and leaves in T. seubertiana B glabrous leaf-blade of T. crassula, showing the ciliate margin C abaxial side of a leaf-blade of T. cerinthoides, showing the sparsely hispid indumentum D adaxial side of a leaf-blade of T. cerinthoides, showing the hispid indumentum E adaxial side of a leaf-blade of T. tenella, showing the hirsute indumentum and ciliate margin F sepal of T. tenella, showing the glandular-pubescent indumentum. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure2" httpUri="https://binary.pensoft.net/fig/211895" pageId="11" pageNumber="12">2E</figureCitation>
|
||
), while the indumentum in the sepals is composed of a mixture of glandular and eglandular hairs (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8G</figureCitation>
|
||
), as opposed to the evenly glandular pubescent sepals of
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Indumentum morphology in Tradescantia subg. Austrotradescantia. A completely glabrous stems and leaves in T. seubertiana B glabrous leaf-blade of T. crassula, showing the ciliate margin C abaxial side of a leaf-blade of T. cerinthoides, showing the sparsely hispid indumentum D adaxial side of a leaf-blade of T. cerinthoides, showing the hispid indumentum E adaxial side of a leaf-blade of T. tenella, showing the hirsute indumentum and ciliate margin F sepal of T. tenella, showing the glandular-pubescent indumentum. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure2" httpUri="https://binary.pensoft.net/fig/211895" pageId="11" pageNumber="12">2F</figureCitation>
|
||
). Finally, the plicate petals of
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. atlantica" order="Liliales" pageId="11" pageNumber="12" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. atlantica</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Tradescantia atlantica M. Pell. A Estacao Ecologica de Macae de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil B habit, showing the erect, fibrous and little branched stems C young shoot, showing the densely hispid indumentum D mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs E-F inflorescence E overview of the inflorescence F detail of the main florescence, showing the unequal cincinni bracts G detail of the pedicels, showing the vinaceous colouration and glandular hairs H front view of a flower, showing the plicate petals I dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than 1 / 2 the length of the seed. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12">8H</figureCitation>
|
||
) are only observed in the not so closely related
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. fluminensis" order="Liliales" pageId="11" pageNumber="12" rank="species" species="fluminensis">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. fluminensis</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Floral morphology in Tradescantia subg. Austrotradescantia. A-C floral buds A floral bud of T. cerinthoides, showing the vinaceous coloration, densely hispid indumentum and absence of dorsal keels in the sepals B floral bud of T. fluminensis, showing the medium green colouration and pilose eglandular hairs restricted to dorsal keels C floral bud of T. tenella, showing the green colouration, glandular-pubescent indumentum and the presence of dorsal keels in the sepals D-H flowers D front view of a flower of T. atlantica, showing the plicate petals E front view of a flower of T. fluminensis, showing the plicate petals F side view of two flowers of T. fluminensis, showing the plicate petals and the deflexed flowers at post-anthesis G front view of a flower of T. tenella, showing the flat petals H front view of a flower of T. umbraculifera, showing the flat and elliptic petals. Photos by M. O. O. Pellegrini." figureDoi="10.3897/phytokeys.101.25057.figure6" httpUri="https://binary.pensoft.net/fig/211899" pageId="11" pageNumber="12">6E</figureCitation>
|
||
) and the distribution of
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. atlantica" order="Liliales" pageId="11" pageNumber="12" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. atlantica</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tenella">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tenella</emphasis>
|
||
</taxonomicName>
|
||
has no overlaps.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1305569" doi="10.3897/phytokeys.101.25057.figure8" httpUri="https://binary.pensoft.net/fig/211901" pageId="11" pageNumber="12" start="Figure 8" startId="F8">
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<emphasis bold="true" pageId="11" pageNumber="12">Figure 8.</emphasis>
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
M.Pell.
|
||
<emphasis bold="true" pageId="11" pageNumber="12">A</emphasis>
|
||
<normalizedToken originalValue="Estação">Estacao</normalizedToken>
|
||
<normalizedToken originalValue="Ecológica">Ecologica</normalizedToken>
|
||
de
|
||
<normalizedToken originalValue="Macaé">Macae</normalizedToken>
|
||
de Cima, Nova Friburgo, state of Rio de Janeiro, Brazil
|
||
<emphasis bold="true" pageId="11" pageNumber="12">B</emphasis>
|
||
habit, showing the erect, fibrous and little branched stems
|
||
<emphasis bold="true" pageId="11" pageNumber="12">C</emphasis>
|
||
young shoot, showing the densely hispid indumentum
|
||
<emphasis bold="true" pageId="11" pageNumber="12">D</emphasis>
|
||
mature stem, showing the dark green to vinaceous and glabrous internodes with the leaf-opposed line of uniseriate hairs
|
||
<emphasis bold="true" pageId="11" pageNumber="12">E-F</emphasis>
|
||
inflorescence
|
||
<emphasis bold="true" pageId="11" pageNumber="12">E</emphasis>
|
||
overview of the inflorescence
|
||
<emphasis bold="true" pageId="11" pageNumber="12">F</emphasis>
|
||
detail of the main florescence, showing the unequal cincinni bracts
|
||
<emphasis bold="true" pageId="11" pageNumber="12">G</emphasis>
|
||
detail of the pedicels, showing the vinaceous colouration and glandular hairs
|
||
<emphasis bold="true" pageId="11" pageNumber="12">H</emphasis>
|
||
front view of a flower, showing the plicate petals
|
||
<emphasis bold="true" pageId="11" pageNumber="12">I</emphasis>
|
||
dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
the length of the seed. Photos by M.O.O. Pellegrini.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
can also be differentiated from the new
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tucumanensis">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tucumanensis</emphasis>
|
||
</taxonomicName>
|
||
by its fibrous stems (
|
||
<emphasis italics="true" pageId="11" pageNumber="12">vs.</emphasis>
|
||
succulent in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tucumanensis">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tucumanensis</emphasis>
|
||
</taxonomicName>
|
||
), sessile leaves with velutine to hispid indumentum (
|
||
<emphasis italics="true" pageId="11" pageNumber="12">vs.</emphasis>
|
||
at least the basal ones subpetiolate, sparsely hirsute to hirsute), broadly ovoid floral buds (
|
||
<emphasis italics="true" pageId="11" pageNumber="12">vs.</emphasis>
|
||
ellipsoid), sepals with a mixture of glandular and eglandular hairs restricted to the keel (
|
||
<emphasis italics="true" pageId="11" pageNumber="12">vs.</emphasis>
|
||
with a mixture of glandular and eglandular hairs, but exclusively hispid along the keel in
|
||
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="11" pageNumber="12" rank="species" species="tucumanensis">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">T. tucumanensis</emphasis>
|
||
</taxonomicName>
|
||
) and petals always white and plicate (
|
||
<emphasis italics="true" pageId="11" pageNumber="12">vs.</emphasis>
|
||
ranging from white to pink and flat).
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1305571" doi="10.3897/phytokeys.101.25057.figure9" httpUri="https://binary.pensoft.net/fig/211902" pageId="11" pageNumber="12" start="Figure 9" startId="F9">
|
||
<paragraph pageId="11" pageNumber="12">
|
||
<emphasis bold="true" pageId="11" pageNumber="12">Figure 9.</emphasis>
|
||
Distribution of
|
||
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia atlantica" order="Commelinales" pageId="11" pageNumber="12" phylum="Tracheophyta" rank="species" species="atlantica">
|
||
<emphasis italics="true" pageId="11" pageNumber="12">Tradescantia atlantica</emphasis>
|
||
</taxonomicName>
|
||
M.Pell. Orange- Cerrado; Red- Caatinga; Dark green- Atlantic Forest.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |