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<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="53D392EAA06333D91F1585896144A8A2" 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 tucumanensis M. Pell. 2018, sp. nov." docType="treatment" docVersion="3" id="FFDEFFE96861FF9F4264FFEFA61CC145" lastPageNumber="50" masterDocId="FFDEFFE96861FF9F4264FFEFA61CC145" masterDocTitle="Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D. R. Hunt) M. Pell. (Commelinaceae)" masterLastPageNumber="97" masterPageNumber="1" pageNumber="44" 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="182225020" LSID="urn:lsid:plazi:treatment:53D392EAA06333D91F1585896144A8A2" httpUri="http://treatment.plazi.org/id/53D392EAA06333D91F1585896144A8A2" lastPageId="49" lastPageNumber="50" pageId="43" pageNumber="44">
<subSubSection pageId="43" pageNumber="44" type="nomenclature">
<paragraph pageId="43" pageNumber="44">
12.
<taxonomicName LSID="urn:lsid:ipni.org:names:77185917-1" authority="M. Pell." authorityName="M. Pell." authorityYear="2018" class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="43" pageNumber="44" phylum="Tracheophyta" rank="species" species="tucumanensis" status="sp. nov.">Tradescantia tucumanensis M.Pell.</taxonomicName>
<taxonomicNameLabel pageId="43" pageNumber="44">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="43" pageNumber="44">Figs 30</figureCitation>
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Distribution of Tradescantia tucumanensis M. Pell. Orange- Cerrado; Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest; Purple- Andean Yungas." figureDoi="10.3897/phytokeys.101.25057.figure31" httpUri="https://binary.pensoft.net/fig/211924" pageId="43" pageNumber="44">, 31</figureCitation>
</paragraph>
</subSubSection>
<subSubSection lastPageId="45" lastPageNumber="46" pageId="44" pageNumber="45" type="diagnosis">
<paragraph pageId="44" pageNumber="45">
<pageBreakToken pageId="44" pageNumber="45" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph lastPageId="45" lastPageNumber="46" pageId="44" pageNumber="45">
Similar to
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="44" pageNumber="45" rank="species" species="tenella">
<emphasis italics="true" pageId="44" pageNumber="45">T. tenella</emphasis>
</taxonomicName>
due to its definite base, densely branched stems, hirsute leaves, conspicuous secondary veins, saccate and strongly unequal cincinni bracts, keeled sepals, flat petals, 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 prostrate stems with ascending apex, sessile to subpetiolate leaves, hyaline to light brown hairs,
<pageBreakToken pageId="45" pageNumber="46" start="start">ellipsoid</pageBreakToken>
floral buds and sepals with a mixture of glandular and eglandular hairs, but exclusively hispid along the keel.
</paragraph>
</subSubSection>
<subSubSection pageId="45" pageNumber="46" type="materials_examined">
<paragraph pageId="45" pageNumber="46">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="45" pageNumber="46">
<materialsCitation collectingDate="2004-11-21" collectorName="de Mairana, J. R. I. Wood, H. Huayalla" country="BOLIVIA" county="Florida" location="Postrevalle" municipality="Tierras Nuevas" specimenCount="1" stateProvince="Santa Cruz" typeStatus="holotype">
<collectingCountry name="Bolivia">BOLIVIA</collectingCountry>
.
<collectingRegion country="Bolivia" name="Santa Cruz">Santa Cruz</collectingRegion>
:
<collectingCounty>Florida</collectingCounty>
,
<collectingMunicipality>Tierras Nuevas</collectingMunicipality>
, km 55 camino
<collectorName>de Mairana</collectorName>
a
<location LSID="urn:lsid:plazi:treatment:53D392EAA06333D91F1585896144A8A2:346276223E71F1FC3D0E256FFC333309" country="BOLIVIA" county="Florida" municipality="Tierras Nuevas" name="Postrevalle" stateProvince="Santa Cruz">Postrevalle</location>
, fl., fr.,
<collectingDate value="2004-11-21">21 Nov 2004</collectingDate>
,
<collectorName>J.R.I. Wood</collectorName>
&amp;
<collectorName>H. Huayalla</collectorName>
21010 (
<typeStatus>holotype</typeStatus>
: K!; isotype: HSB!)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="46" lastPageNumber="47" pageId="45" pageNumber="46" type="description">
<paragraph pageId="45" pageNumber="46">Description.</paragraph>
<paragraph lastPageId="46" lastPageNumber="47" pageId="45" pageNumber="46">
<emphasis italics="true" pageId="45" pageNumber="46">Herbs</emphasis>
ca. 20-55 cm tall, with a definite base, terrestrial or rupicolous, rarely epiphytes.
<emphasis italics="true" pageId="45" pageNumber="46">Stems</emphasis>
erect, sometimes prostrate with ascending apex, succulent, little to densely branched; internodes 1.6-12.1 cm long at base, distally shorter, medium to dark green or vinaceous, sometimes with green longitudinal striations or
<pageBreakToken pageId="46" pageNumber="47" start="start">spots</pageBreakToken>
, velutine to hispid, sometimes becoming glabrous with age, with a leaf-opposed longitudinal line of short, uniseriate, hyaline hairs in the terminal portion of the stems.
<emphasis italics="true" pageId="46" pageNumber="47">Leaves</emphasis>
distichously-alternate, sessile to subpetiolate; ptyxis involute; sheaths 0.4-1 cm long, medium green, with longitudinal vinaceous striations, sparsely velutine to hispid, margin setose, hairs hyaline to light brown; petiole 0.2-1.2 cm long to indistinct in the apical leaves; blades 1.1-8.7
<normalizedToken originalValue="×">x</normalizedToken>
0.9-3.2 cm, narrowly lanceolate to lanceolate or ovate to broadly ovate, flat, membranous to chartaceous, sparsely hispid to hispid on both sides, hairs hyaline to light brown, adaxially medium to dark green, abaxially light to medium green or vinaceous, turning medium brown to olive-green when dry, base cordate to round, margin green, ciliate, slightly revolute, apex acute to acuminate; midvein conspicuous, adaxially impressed, secondary veins conspicuous, adaxially impressed, abaxially inconspicuous, becoming evident when dry.
<emphasis italics="true" pageId="46" pageNumber="47">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="46" pageNumber="47">Inflorescences (main florescences)</emphasis>
consisting of a pedunculate double-cincinni fused back to back; peduncles (0.8-2.0-)3.4-8.2 cm long, velutine to hispid, with a leaf-opposed longitudinal line of short, uniseriate hairs, in the terminal portion of the stems, hairs hyaline to light brown; cincinni bracts 1.1-4.8
<normalizedToken originalValue="×">x</normalizedToken>
(0.5-)1-2.7 cm, leaf-like, unequal to strongly unequal to each other, rarely similar to each other, elliptic or ovate to broadly ovate, sparsely hispid, hairs hyaline to light brown, adaxially medium to dark green, abaxially light to medium green or vinaceous, base cordate to obtuse, saccate, margins ciliolate to hispid, hairs hyaline to light brown, slightly revolute, apex acute to acuminate; double cincinni (4-)6-12-flowered.
<emphasis italics="true" pageId="46" pageNumber="47">Flowers</emphasis>
1.2-1.6 cm diam., pedicels 0.7-2.2 cm long, vinaceous, with a mixture of glandular and eglandular hairs; floral buds ellipsoid; sepals 3.1-7.6
<normalizedToken originalValue="×">x</normalizedToken>
2.4-3.5 mm, keeled, green, with a mixture of glandular and eglandular hairs, hispid along the keel composed exclusively by eglandular hairs, hyaline to light brown; petals 6.6-7.2
<normalizedToken originalValue="×">x</normalizedToken>
3.3-5.2 mm, white to pink; filaments 5.6-6.3 mm long, anthers 0.6-0.7
<normalizedToken originalValue="×">x</normalizedToken>
0.8-0.9 mm; ovary 0.7-0.9
<normalizedToken originalValue="×">x</normalizedToken>
0.7-0.9 mm, style 5.4-6.5 mm long; pistil the same length as the stamens.
<emphasis italics="true" pageId="46" pageNumber="47">Capsules</emphasis>
3.2-4.1
<normalizedToken originalValue="×">x</normalizedToken>
2.3-3.8 mm.
<emphasis italics="true" pageId="46" pageNumber="47">Seeds</emphasis>
1.4-2.4
<normalizedToken originalValue="×">x</normalizedToken>
1-1.4 mm, testa grey, not cleft towards the embryotega, rugose; hilum shorter than or equal to
<normalizedToken originalValue="½">1/2</normalizedToken>
the length of the seed.
</paragraph>
</subSubSection>
<subSubSection lastPageId="49" lastPageNumber="50" pageId="46" pageNumber="47" type="specimens seen">
<paragraph pageId="46" pageNumber="47">Specimens seen.</paragraph>
<paragraph lastPageId="49" lastPageNumber="50" pageId="46" pageNumber="47">
<emphasis bold="true" pageId="46" pageNumber="47">(paratypes). ARGENTINA. Capital</emphasis>
: Villa Lujau, fl., 15 Nov 1922, S. Venturi 1981 (CORD, SI, US).
<emphasis bold="true" pageId="46" pageNumber="47">Catamarca</emphasis>
:
<normalizedToken originalValue="Andalgalá">Andalgala</normalizedToken>
, Esquena Grande, fl., 10 Nov 1916, P.
<normalizedToken originalValue="Jörgensen">Joergensen</normalizedToken>
1817 (CORD, SI, US).
<emphasis bold="true" pageId="46" pageNumber="47">Chaco</emphasis>
: Colonia Benitez, fl., Dec 1935, A.G. Schulz 365 (CORD, SI); Laguna Blanca, fl., fr., 7 Dec 1939, M.
<normalizedToken originalValue="Birabén">Biraben</normalizedToken>
53 (LP).
<emphasis bold="true" pageId="46" pageNumber="47">
<normalizedToken originalValue="Córdoba">Cordoba</normalizedToken>
</emphasis>
: Villa General Belgrano, fl., 6 Sep 1985, M.E.
<normalizedToken originalValue="Múlgura">Mulgura</normalizedToken>
et al. 417 (CORD, MBM).
<emphasis bold="true" pageId="46" pageNumber="47">Corrientes</emphasis>
:
<normalizedToken originalValue="Concepción">Concepcion</normalizedToken>
, Carambola, fl., fr., 25 Sep 1971, T.M. Pedersen 9845 (L, SI); General Paz, G. Lomas de Vallejos, fl., 29 Aug 1973, A. Schinini &amp; C.
<normalizedToken originalValue="Quarín">Quarin</normalizedToken>
6977 (CORD, CTES, SI);
<normalizedToken originalValue="Ituzaingó">Ituzaingo</normalizedToken>
, Ea. San Pedro,
<geoCoordinate degrees="27" direction="south" minutes="45" orientation="latitude" precision="925" value="-27.75">27°45'S</geoCoordinate>
,
<geoCoordinate degrees="56" direction="west" minutes="52" orientation="longitude" precision="925" value="-56.866665">56°52'W</geoCoordinate>
, fl., fr., 12 Nov 1976, M.M. Arbo et al. 1172 (CORD, CTES);
<normalizedToken originalValue="Mburucuyá">Mburucuya</normalizedToken>
, Estancia San Juan, fl., 22 Sep 1952, T.M. Pedersen 1835 (L); Mercedes, Ruta Nacional 14, laguna
<normalizedToken originalValue="Iberá">Ibera</normalizedToken>
,
<geoCoordinate degrees="28" direction="south" minutes="32" orientation="latitude" precision="925" value="-28.533333">28°32'S</geoCoordinate>
,
<geoCoordinate degrees="57" direction="west" minutes="10" orientation="longitude" precision="925" value="-57.166668">57°10'W</geoCoordinate>
, fl., fr., 5 Nov 1973, M.N. Correa et al. 5306 (CORD, SI); Reserva Nat. Prov. Ibera, Paso Picada, costa
<pageBreakToken pageId="47" pageNumber="48" start="start">W</pageBreakToken>
de la laguna Ibera, fl., fr., 11 Dec 1992, S.G. Tressens et al. 4342 (CTES, MBM, U); San Luis del Palmar, 10 km SE de San Luis del Palmar, Ruta 6, fl., 26 Sep 1973, C.
<normalizedToken originalValue="Quarín">Quarin</normalizedToken>
&amp; S.G. Tressens 1399 (CORD, CTES, SI); fl., 24 Oct 1976, A. Schinini &amp; C.L.
<normalizedToken originalValue="Cristóbal">Cristobal</normalizedToken>
13683 (SI).
<emphasis bold="true" pageId="47" pageNumber="48">Formosa</emphasis>
: Guaycolec, Monte, fl., Aug 1919, P.
<normalizedToken originalValue="Jörgensen">Joergensen</normalizedToken>
3020 (BA, SI, US); Quebrada de Lules, fl., 21 Nov 1910, S. Venturi 1074 (BA, CORD, LP, SI, US).
<emphasis bold="true" pageId="47" pageNumber="48">Jujuy</emphasis>
: 13km del
<normalizedToken originalValue="desvío">desvio</normalizedToken>
de la Ruta Nacional 9, caminho a Tiraxi, fl., fr., 10 Aug 1998, O. Morrone et al. 3228 (CORD, SI); caminho a Tiraxi,
<geoCoordinate degrees="24" direction="south" minutes="00" orientation="latitude" precision="15" seconds="25" value="-24.006945">24°00'25&quot;S</geoCoordinate>
,
<geoCoordinate degrees="65" direction="west" minutes="22" orientation="longitude" precision="15" seconds="19" value="-65.37195">65°22'19&quot;W</geoCoordinate>
, fl., fr., 14 Nov 2005, F.O. Zuloaga et al. 8703 (CORD, SI); Ledesma, Abra de
<normalizedToken originalValue="Cañas">Canas</normalizedToken>
, caminho a Valle Grande, fl., fr., 31 Oct 1974, A.L. Cabrera et al. 25612 (LP); fl., fr., 7 Nov 1973, A.L. Cabrera et al. 23938 (CORD,
<pageBreakToken pageId="48" pageNumber="49" start="start">LP</pageBreakToken>
, SI); fl., fr., 7 Nov 1973, A.L. Cabrera et al. 23945 (CORD, LP, SI); La Candelaria, El Trementinal, fl., Nov 1974, O. Marvin 19 (LP); caminho a Valle Grande, 24km NW de Libertador General San
<normalizedToken originalValue="Martín">Martin</normalizedToken>
, fl., 8 Nov 1974, A. Krapovickas et al. 26591 (CORD, CTES, SI); entre Mesada de las Colmenas y Abra
<normalizedToken originalValue="Cañas">Canas</normalizedToken>
, fl., 21 Oct 1979, A.L. Cabrera et al. 30908 (CORD, SI); caminho a Valle Grande desde Ruta Nacional 34, km 30, fl., fr., 16 Dec 1986, F.O. Zuloaga 2931 (CORD, SI); San Salvador de Jujuy, Zapla, fl., 9 Nov 1974, A.E. Burkart et al. 30419 (CORD, LP, SI); Sierra de Zapla, fl., 15 Nov 1980, A.L. Cabrera et al. 32027 (CORD, SI); fl., fr., 14 Nov 1992, R. Kiesling et al. 8263 (CORD, SI); Parque Nacional Calilegua, fl., 22 Nov 1986, O. Ahumada 5360 (CTES); fl., fr., 30 Sep 1994, O. Ahumada 7167 (CORD, CTES); monolito,
<geoCoordinate degrees="23" direction="south" minutes="40" orientation="latitude" precision="925" value="-23.666666">23°40'S</geoCoordinate>
,
<geoCoordinate degrees="64" direction="west" minutes="54" orientation="longitude" precision="925" value="-64.9">64°54'W</geoCoordinate>
, fl., 3 Nov 1998, O. Ahumada &amp; J.
<normalizedToken originalValue="Agüero">Agueero</normalizedToken>
8581 (CORD, SI); hasta el Arroyo Tres Cruces, por Ruta Provincial 83,
<geoCoordinate degrees="23" direction="south" minutes="38" orientation="latitude" precision="925" value="-23.633333">23°38'S</geoCoordinate>
,
<geoCoordinate degrees="64" direction="west" minutes="56" orientation="longitude" precision="925" value="-64.933334">64°56'W</geoCoordinate>
, fl., fr., 6 Nov 1998, O. Ahumada et al. 8764 (CORD, SI); Ruta Provincial 83, de a Abra de
<normalizedToken originalValue="Cañas">Canas</normalizedToken>
a Mesada de las Colmenas,
<geoCoordinate degrees="23" direction="south" minutes="41" orientation="latitude" precision="925" value="-23.683332">23°41'S</geoCoordinate>
,
<geoCoordinate degrees="64" direction="west" minutes="54" orientation="longitude" precision="925" value="-64.9">64°54'W</geoCoordinate>
, fl., fr., 11 Nov 2002, F.O. Zuloaga et al. 7500 (CORD, SI); Santa Barbara, subida al Centinela, fl., fr., 12 Dec 1983, A. Rotman 939 (CORD, CTES, SI); Valle Grande, ruta 83, a 2km de San Francisco, fl., fr., 18 Jan 2002, G. Seijo et al 2755 (CORD, CESJ, CTES).
<emphasis bold="true" pageId="48" pageNumber="49">Salta</emphasis>
: Anta, Parque Nacional El Rey, fl., fr., 10 Nov 1974, T.M. Pedersen 10812 (CORD, L, SI); fl., fr., 14 Jan 1981, A. Brown et al. 1076 (CORD, SI); fl., Oct 2005, S. Chaluklan s.n. (SI barcode SI078836);
<normalizedToken originalValue="Orán">Oran</normalizedToken>
, Finca San
<normalizedToken originalValue="Andrés">Andres</normalizedToken>
,
<geoCoordinate degrees="23" direction="south" minutes="05" orientation="latitude" precision="15" seconds="53" value="-23.098057">23°05'53&quot;S</geoCoordinate>
, 64°37'65&quot;W, Sierra de Zenta, fl., 2 Nov 1997, A. Schinini et al. 33138 (CORD, CTES, SI); Salta, fl., 25 Oct 1985, C.A.
<normalizedToken originalValue="Palací">Palaci</normalizedToken>
221 (CORD); Santa Victoria, Ruta Provincial 19, 16km de Los Toldos, camino a Lipeo, fl., fr., 19 Nov 2001, O. Morrone et al. 3806 (CORD, SI).
<emphasis bold="true" pageId="48" pageNumber="49">
<normalizedToken originalValue="Tucumán">Tucuman</normalizedToken>
</emphasis>
: Chichigasta, Estancia Las Pavas, fl., fr., 9 Jul 1925, S. Venturi 4060 (CORD, SI, US); fl., 20 Nov 1926, S. Venturi 4705 (BA, CORD, SI, US); Entre
<normalizedToken originalValue="Río">Rio</normalizedToken>
Cochuna y
<normalizedToken originalValue="Río">Rio</normalizedToken>
Dulce, camino a Alpachiri, km 28.5, fl., 15 Oct 1966, N.M. Bacigalupo s.n. (CORD no. 467185, SI no. 26088).
<normalizedToken originalValue="Famaillá">Famailla</normalizedToken>
, entre
<normalizedToken originalValue="Famaillá">Famailla</normalizedToken>
y Santa
<normalizedToken originalValue="Lucía">Lucia</normalizedToken>
, fl., fr., 4 Nov 2002, A.A. Cocucci 1982 (CORD). Ghieligasta, Puente del Rio Boehima, fl., 24 Nov 1938, D.C.
<normalizedToken originalValue="ODonell">O'Donell</normalizedToken>
10733 (US).
<normalizedToken originalValue="Jafí">Jafi</normalizedToken>
, Jeoba Reserva, fl., 14 Nov 1923, S. Venturi 2386 (CORD, SI). Monteros, Rio de las Sosa, fl., 18 Oct 1948, L.B. Smith 4633 (US); km 33 La Helodera, fl., 10 Feb 1972, K. Jones et al. 10448 (CORD, SI). Rio Cochuna, fl., 24 Nov 1938, R. Schreiter 94754 (US); entre
<normalizedToken originalValue="río">rio</normalizedToken>
Cochuna y
<normalizedToken originalValue="río">rio</normalizedToken>
Dulce, camino a Alpachiri, fl., fr., 15 Oct 1966, N.M. Bacigalupo 26088 (SI).
<emphasis bold="true" pageId="48" pageNumber="49">BOLIVIA. Chuquisaca</emphasis>
: between Padilla and Monteagudo, between Leque Pampa and El Rosal, fl., 1 Jan 1995, J.R.I. Wood 9080 (K).
<emphasis bold="true" pageId="48" pageNumber="49">Santa Cruz</emphasis>
: M.M. Caballero, Comarapa, ca. 0.5-1 km pasando el Abra del Cerro Bravo, fl., fr., 20 Nov 2005, J.R.I. Wood &amp; M. Mendoza 2209 (HSB, K).
<emphasis bold="true" pageId="48" pageNumber="49">Tarija</emphasis>
: Arce, valley of the
<normalizedToken originalValue="Río">Rio</normalizedToken>
Chillaguatas, below Rancho Nogalar on trail between Sidaras and Taroquia,
<geoCoordinate degrees="22" direction="south" minutes="05" orientation="latitude" precision="925" value="-22.083334">22°05'S</geoCoordinate>
,
<geoCoordinate degrees="64" direction="west" minutes="25" orientation="longitude" precision="925" value="-64.416664">64°25'W</geoCoordinate>
, fl., 14-16 Oct 1983, J.C. Solomon 11272 (K, MO, US); De
<normalizedToken originalValue="Emboruzú">Emboruzu</normalizedToken>
a La Mamora, fl., fr., 22 Oct 1980, F.O. Zuloaga et al. 1208 (CORD, SI).
<emphasis bold="true" pageId="48" pageNumber="49">PARAGUAY. Without province</emphasis>
: s.loc., fl., May 1931, P.
<normalizedToken originalValue="Jörgensen">Joergensen</normalizedToken>
4108 (SI, US).
<emphasis bold="true" pageId="48" pageNumber="49">Misiones</emphasis>
: Santiago,
<pageBreakToken pageId="49" pageNumber="50" start="start">Estancia</pageBreakToken>
La Soledad, fl., 24 Oct 1959, T.M. Pedersen 5219 (L).
<emphasis bold="true" pageId="49" pageNumber="50">
<normalizedToken originalValue="Guairá">Guaira</normalizedToken>
</emphasis>
: Iturbe, fl., fr., 8 Oct 1952, J.E. Montes 12776 (LIL, LP).
<emphasis bold="true" pageId="49" pageNumber="50">
<normalizedToken originalValue="Ñeembucú">Neembucu</normalizedToken>
</emphasis>
: Estancia Redondo, isla de bosque alto, fl., 25 Jan 2005, M. Vera et al. 230 (BM, FCQ).
</paragraph>
</subSubSection>
<subSubSection pageId="49" pageNumber="50" type="distribution">
<paragraph pageId="49" pageNumber="50">Distribution and habitat.</paragraph>
<paragraph pageId="49" pageNumber="50">
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">Tradescantia tucumanensis</emphasis>
</taxonomicName>
is mainly distributed from Argentina to Bolivia, in the Tucumano-Boliviano Forest formation (Chaco and Andean Yungas domains), but also reaching Paraguay in the dry forests of the Atlantic Forest domain (Fig.
<figureCitation captionStart="Figure 31" captionStartId="F31" captionText="Figure 31. Distribution of Tradescantia tucumanensis M. Pell. Orange- Cerrado; Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest; Purple- Andean Yungas." figureDoi="10.3897/phytokeys.101.25057.figure31" httpUri="https://binary.pensoft.net/fig/211924" pageId="49" pageNumber="50">31</figureCitation>
). It can be found growing as a terrestrial or rupicolous herb and seems to be associated with considerably drier habitats than all other species from the
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. fluminensis" order="Liliales" pageId="49" pageNumber="50" rank="species" species="fluminensis">
<emphasis italics="true" pageId="49" pageNumber="50">T. fluminensis</emphasis>
</taxonomicName>
group.
</paragraph>
</subSubSection>
<subSubSection pageId="49" pageNumber="50" type="phenology">
<paragraph pageId="49" pageNumber="50">Phenology.</paragraph>
<paragraph pageId="49" pageNumber="50">It can be found in bloom and in fruit throughout the year but peaking during the rainy season.</paragraph>
</subSubSection>
<subSubSection pageId="49" pageNumber="50" type="etymology">
<paragraph pageId="49" pageNumber="50">Etymology.</paragraph>
<paragraph pageId="49" pageNumber="50">The epithet makes reference to the species distribution, restricted to the Tucumano-Boliviano Forest formation in Argentina and Bolivia.</paragraph>
</subSubSection>
<subSubSection pageId="49" pageNumber="50" type="conservation status">
<paragraph pageId="49" pageNumber="50">Conservation status.</paragraph>
<paragraph pageId="49" pageNumber="50">
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">Tradescantia tucumanensis</emphasis>
</taxonomicName>
possesses a wide EOO (ca. 873,174.442 km2), being widely distributed in Argentina and Paraguay, with few records in Bolivia. It seems to form dense subpopulations and, in accordance with the IUCN recommendations (
<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>
), it should be considered Least Concern (LC).
</paragraph>
</subSubSection>
<subSubSection pageId="49" pageNumber="50" type="comments">
<paragraph pageId="49" pageNumber="50">Comments.</paragraph>
<paragraph pageId="49" pageNumber="50">
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">Tradescantia tucumanensis</emphasis>
</taxonomicName>
was initially interpreted by me as a new species closely related to
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. chrysophylla" order="Liliales" pageId="49" pageNumber="50" rank="species" species="chrysophylla">
<emphasis italics="true" pageId="49" pageNumber="50">T. chrysophylla</emphasis>
</taxonomicName>
, due to its stems being sometimes prostrate with ascending apex, involute ptyxis, leaves velutine to hispid, indumentum drying light brown, unequal cincinni bracts (Fig.
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50">30C</figureCitation>
), sepals with a mixture of glandular and eglandular hairs (Fig.
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50">30C-E</figureCitation>
) and pistil as long as the stamens. Nonetheless, the similarities in gross morphology were quickly observed to be outnumbered by many more relevant differences: its definite base (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
indefinite in
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. chrysophylla" order="Liliales" pageId="49" pageNumber="50" rank="species" species="chrysophylla">
<emphasis italics="true" pageId="49" pageNumber="50">T. chrysophylla</emphasis>
</taxonomicName>
), stems generally erect (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
always prostrate), leaves generally subpetiolate (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
always sessile), blades membranous to chartaceous with impressed secondary veins (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
succulent with inconspicuous secondary veins), sepals keeled (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
not keeled), hairs along the keel exclusively eglandular (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
exclusively glandular or with a mixture of glandular and eglandular hairs), seeds with rugose testa (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
costate) and hilum shorter than
<normalizedToken originalValue="½">1/2</normalizedToken>
the length of the seed (
<emphasis italics="true" pageId="49" pageNumber="50">vs.</emphasis>
equal
<normalizedToken originalValue="½">1/2</normalizedToken>
the length of the seed). Furthermore,
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="49" pageNumber="50" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">T. tucumanensis</emphasis>
</taxonomicName>
is restricted to the Tucumano-Boliviano Forests from Argentina and Bolivia, while
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. chrysophylla" order="Liliales" pageId="49" pageNumber="50" rank="species" species="chrysophylla">
<emphasis italics="true" pageId="49" pageNumber="50">T. chrysophylla</emphasis>
</taxonomicName>
is endemic to the Atlantic Forest of Brazil. The seed morphology was key in making the connection between
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="49" pageNumber="50" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">T. tucumanensis</emphasis>
</taxonomicName>
and
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="49" pageNumber="50" rank="species" species="tenella">
<emphasis italics="true" pageId="49" pageNumber="50">T. tenella</emphasis>
</taxonomicName>
. Both species are morphologically more closely related due to their: definite base, erect stems (Fig.
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50">30A</figureCitation>
), involute ptyxis, membranous to chartaceous leaf-blades (Fig.
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50">30B</figureCitation>
), flowers ranging from white to pink (Fig.
<figureCitation captionStart="Figure 30" captionStartId="F30" captionText="Figure 30. Tradescantia tucumanensis M. Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D-E flowers D white petalled flower E light pink petalled flower. A-D by G. A. Parada E by W. M. Ciesla." figureDoi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50">30D, E</figureCitation>
), seeds with rugose testa and hilum shorter than
<normalizedToken originalValue="½">1/2</normalizedToken>
the length of the seeds. Nonetheless, both species can be differentiated based on the pubescence of the leaf-blades, shape of the floral buds, size of the flowers and pubescence of the sepals (see identification key). Out of these differences, floral bud shape and sepal pubescence have proven to be stable in reliable characters in the taxonomy of
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. (Austrotradescantia) subsp. subg." order="Liliales" pageId="49" pageNumber="50" rank="subGenus" subGenus="Austrotradescantia">T. subg. Austrotradescantia</taxonomicName>
. Furthermore,
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tucumanensis" order="Liliales" pageId="49" pageNumber="50" rank="species" species="tucumanensis">T. tucumanensis</taxonomicName>
has a preference for drier environments than
<taxonomicName family="Commelinaceae" kingdom="Plantae" lsidName="T. tenella" order="Liliales" pageId="49" pageNumber="50" rank="species" species="tenella">
<emphasis italics="true" pageId="49" pageNumber="50">T. tenella</emphasis>
</taxonomicName>
, which is very commonly found growing in damp soil and moss carpets.
</paragraph>
<caption ID-Zenodo-Dep="1305553" doi="10.3897/phytokeys.101.25057.figure30" httpUri="https://binary.pensoft.net/fig/211923" pageId="49" pageNumber="50" start="Figure 30" startId="F30">
<paragraph pageId="49" pageNumber="50">
<emphasis bold="true" pageId="49" pageNumber="50">Figure 30.</emphasis>
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">Tradescantia tucumanensis</emphasis>
</taxonomicName>
M.Pell
<emphasis bold="true" pageId="49" pageNumber="50">A</emphasis>
detail of the stem, leaf-sheath and young leaf
<emphasis bold="true" pageId="49" pageNumber="50">B</emphasis>
adaxial side of the leaf-blade, showing the impressed secondary veins
<emphasis bold="true" pageId="49" pageNumber="50">C</emphasis>
inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals
<emphasis bold="true" pageId="49" pageNumber="50">D-E</emphasis>
flowers
<emphasis bold="true" pageId="49" pageNumber="50">D</emphasis>
white petalled flower
<emphasis bold="true" pageId="49" pageNumber="50">E</emphasis>
light pink petalled flower.
<emphasis bold="true" pageId="49" pageNumber="50">A-D</emphasis>
by G.A. Parada
<emphasis bold="true" pageId="49" pageNumber="50">E</emphasis>
by W.M. Ciesla.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1305555" doi="10.3897/phytokeys.101.25057.figure31" httpUri="https://binary.pensoft.net/fig/211924" pageId="49" pageNumber="50" start="Figure 31" startId="F31">
<paragraph pageId="49" pageNumber="50">
<emphasis bold="true" pageId="49" pageNumber="50">Figure 31.</emphasis>
Distribution of
<taxonomicName class="Liliopsida" family="Commelinaceae" genus="Tradescantia" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Tradescantia tucumanensis" order="Commelinales" pageId="49" pageNumber="50" phylum="Tracheophyta" rank="species" species="tucumanensis">
<emphasis italics="true" pageId="49" pageNumber="50">Tradescantia tucumanensis</emphasis>
</taxonomicName>
M.Pell. Orange- Cerrado; Yellow- Chaco and Pantanal; Olive-green- Pampa; Dark green- Atlantic Forest; Purple- Andean Yungas.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>