<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0187-7151</journal-id>
<journal-title><![CDATA[Acta botánica mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Act. Bot. Mex]]></abbrev-journal-title>
<issn>0187-7151</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C., Centro Regional del Bajío]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-71512012000200001</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Taxonomic and nomenclatural status of the Mexican species in the Tillandsia viridiflora complex (Bromeliaceae)]]></article-title>
<article-title xml:lang="es"><![CDATA[Estatus taxonómico y nomenclatural de las especies mexicanas en el complexo Tillandsia viridiflora (Bromeliaceae)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Krömer]]></surname>
<given-names><![CDATA[Thorsten]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espejo-Serna]]></surname>
<given-names><![CDATA[Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Ferrari]]></surname>
<given-names><![CDATA[Ana Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ehlers]]></surname>
<given-names><![CDATA[Renate]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lautner]]></surname>
<given-names><![CDATA[Jürgen]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Veracruzana Centro de Investigaciones Tropicales ]]></institution>
<addr-line><![CDATA[Xalapa Veracruz]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de Biología ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>México</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Albrecht von Haller Institute of Plant Sciences  ]]></institution>
<addr-line><![CDATA[Göttingen ]]></addr-line>
<country>Germany</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2012</year>
</pub-date>
<numero>99</numero>
<fpage>1</fpage>
<lpage>20</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-71512012000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-71512012000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-71512012000200001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Based on a systematic study of the Mexican species in the Tillandsia viridiflora complex, the taxonomic and nomenclatural status of these species is clarified. The former synonym T. macropetala is reestablished as a species. An identification key for the complex species (T. grandis, T. macropetala and T. viridiflora), as well as a complete synonymy and detailed descriptions of the taxa are included.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Con base en un estudio sistemático de las especies mexicanas del complejo Tillandsia viridiflora, se clarifica su situación taxonómica y nomenclatural. Se reestablece como especie a T. macropetala, antes considerada como sinónimo. Se incluye una clave de identificación para los componentes del complejo (T. viridiflora, T. grandis y T. macropetala), así como la sinonimia completa y las descripciones detalladas de cada uno de los taxa.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Bromeliaceae]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
<kwd lng="en"><![CDATA[taxonomy]]></kwd>
<kwd lng="en"><![CDATA[Tillandsia grandis]]></kwd>
<kwd lng="en"><![CDATA[T. heterophylla]]></kwd>
<kwd lng="en"><![CDATA[T. macropetala]]></kwd>
<kwd lng="en"><![CDATA[T. viridiflora]]></kwd>
<kwd lng="es"><![CDATA[Bromeliaceae]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="es"><![CDATA[taxonomía]]></kwd>
<kwd lng="es"><![CDATA[Tillandsia grandis]]></kwd>
<kwd lng="es"><![CDATA[T. heterophylla]]></kwd>
<kwd lng="es"><![CDATA[T. macropetala]]></kwd>
<kwd lng="es"><![CDATA[T. viridiflora]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>Taxonomic and nomenclatural status of the Mexican species in the <i>Tillandsia viridiflora</i> complex (Bromeliaceae)</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="3"><b>Estatus taxon&oacute;mico y nomenclatural de las especies mexicanas en el complexo <i>Tillandsia viridiflora</i> (Bromeliaceae)</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>Thorsten Kr&ouml;mer<sup>1</sup>, Adolfo Espejo&#150;Serna<sup>2*</sup>, Ana Rosa L&oacute;pez&#150;Ferrari<sup>2</sup>, Renate Ehlers<sup>3</sup> &amp; J&uuml;rgen Lautner<sup>4&dagger;</sup></b></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><sup><i>1 </i></sup><i>Universidad Veracruzana, Centro de Investigaciones Tropicales, interior de la ex&#150;hacienda Lucas Mart&iacute;n, privada de Araucarias s.n., colonia 21 de Marzo, 91119 Xalapa, Veracruz, M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>2 </sup>Universidad Aut&oacute;noma Metropolitana&#150;Iztapalapa, Divisi&oacute;n de Ciencias Biol&oacute;gicas y de la Salud, Departamento de Biolog&iacute;a, Herbario Metropolitano, Apdo. postal 55&#150;535, 09340 M&eacute;xico, D.F., M&eacute;xico.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>3 </sup>Herrenbergerstr 14, 70563 Stuttgart, Germany.</i></font></p>     <p align="justify"><font face="verdana" size="2"><i><sup>4 </sup>Albrecht von Haller Institute of Plant Sciences, Untere Karsp&uuml;le 2, 37073 G&ouml;ttingen, Germany.<sup> &dagger;</sup>Died 2 October 2009.</i></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><i><sup>5</sup> Autor para la correspondencia:</i> <a href="mailto:aes@xanum.uam.mx">aes@xanum.uam.mx</a>.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido en marzo de 2011.</font>    <br>   <font face="verdana" size="2">Aceptado en noviembre de 2011.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>ABSTRACT</b></font></p>     <p align="justify"><font face="verdana" size="2">Based on a systematic study of the Mexican species in the <i>Tillandsia viridiflora</i> complex, the taxonomic and nomenclatural status of these species is clarified. The former synonym <i>T. macropetala</i> is reestablished as a species. An identification key for the complex species (<i>T. grandis</i>, <i>T. macropetala</i> and <i>T. viridiflora</i>), as well as a complete synonymy and detailed descriptions of the taxa are included.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Key words:</b> Bromeliaceae, Mexico, taxonomy, <i>Tillandsia grandis</i>, <i>T. heterophylla</i>, <i>T. macropetala</i>, <i>T. viridiflora</i>.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>RESUMEN</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Con base en un estudio sistem&aacute;tico de las especies mexicanas del complejo <i>Tillandsia viridiflora</i>, se clarifica su situaci&oacute;n taxon&oacute;mica y nomenclatural. Se reestablece como especie a <i>T. macropetala</i>, antes considerada como sin&oacute;nimo. Se incluye una clave de identificaci&oacute;n para los componentes del complejo (<i>T. viridiflora</i>, <i>T. grandis</i> y <i>T. macropetala</i>), as&iacute; como la sinonimia completa y las descripciones detalladas de cada uno de los taxa.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Bromeliaceae, M&eacute;xico, taxonom&iacute;a, <i>Tillandsia grandis</i>, <i>T. heterophylla</i>, <i>T. macropetala</i>, <i>T. viridiflora</i>.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">During the course of two botanical field trips through the state of Oaxaca in the years 2005 and 2006, the late J&uuml;rgen Lautner, Renate Ehlers and collaborators collected several plants of a species of <i>Tillandsia</i> L. in the Sierra Mixe, which were provisionally identified as <i>T. viridiflora</i> (Beer) Baker. Additionally in 2006, Thorsten Kr&ouml;mer and Elisabeth Otto collected one specimen of the same Tillandsia species on the slopes of the Santa Marta volcano, located in the southeastern region of Los Tuxtlas, in the state of Veracruz. In order to confirm the identity of these plants, we studied cultivated and herbarium material, and also the related taxonomic literature. After a careful study of literature relating to these plants (Baker, 1889; Smith &amp; Downs, 1977; Weber, 1984; Utley &amp; Burt&#150;Utley, 1994; Beaman &amp; Judd, 1996), an analysis of the original descriptions and plates of the names related to <i>Tillandsia viridiflora</i> and its putative synonyms <i>T. macropetala</i> Wawra, <i>T. orizabenzis</i> Baker, <i>T. longiflora</i> Sess&eacute; &amp; Mo&ccedil;. and <i>T. billbergiae</i> (Lem.) Baker (Schlechtendal, 1845; Beer, 1856; Lemaire, 1869; Morren, 1873, 1880; Wawra, 1887; Baker, 1888; Sess&eacute; &amp; Mo&ccedil;i&ntilde;o, 1887, 1894; Mez, 1935), and study of all relevant specimens and types deposited in the main Mexican (CHAP, ENCB, FCME, IBUG, IEB, MEXU, OAX, UAMIZ, XAL) and foreign (GH, K, LL, MA, MICH, MO, OXF, P, SEL, TEX, UC, US, WU) herbaria, we come to the conclusion that the plants collected at both localities mentioned above, and also some herbarium material formerly identified as <i>T. viridiflora</i>, <i>T. grandis</i> and/or <i>T. heterophylla</i> E. Morren must be assigned to <i>T. macropetala</i>, a name previously considered by some authors as a taxonomic synonym of <i>T. grandis</i> (Mez, 1935) or <i>T. viridiflora</i> (Smith &amp; Downs, 1977; Espejo &amp; L&oacute;pez&#150;Ferrari, 1994; Espejo et al., 2004). We believe that each of these three species constitutes a phenetically distinctive entity, following a morphological&#150;taxonomic species concept. However, besides their differences in habit and the appearance of leaves and peduncle bracts, especially obvious in living plants (<a href="#f1">Fig. 1</a>, <a href="#f2">2 C&#150;D</a>), <i>T. macropetala</i> seems most closely related to <i>T. viridiflora</i>, as both species are more similar in size and epiphytic, whereas <i>T. grandis</i> is much bigger and lithophytic (<a href="#f2">Fig. 2A</a>; <a href="#t1">Table 1</a>).</font></p>     <p align="center"><font face="verdana" size="2"><a name="f1"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/abm/n99/a1f1.jpg"></font></p>     <p align="center"><font face="verdana" size="2"><a name="f2"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/abm/n99/a1f2.jpg"></font></p>     <p align="center"><font face="verdana" size="2"><a name="t1"></a></font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/abm/n99/a1t1.jpg"></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">With the reestablishment of <i>Tillandsia macropetala</i> as a valid species, the number of taxa of the <i>T. viridiflora</i> complex present in Mexico reaches three. Additionally, because of its close morphological similarity, this species complex probably includes the Caribbean <i>T. paniculata</i> (L.) L. and <i>T. baliophylla</i> Harms. Following the classification of Smith &amp; Downs (1977), all these belong to Tillandsia subgenus Pseudoalcantarea Mez. However, Beaman &amp; Judd (1996) suggested that this subgenus is paraphyletic, and transferred <i>T. grandis</i> and <i>T. paniculata</i> to subgenus Tillandsia. Furthermore, Barfuss et al. (2005) in a phylogenetic analysis of subfamily Tillandsioideae suggested that <i>T. baliophylla</i> and <i>T. viridiflora</i> also do not form a clade. Therefore, although we have clarified species limits in this complex, it is clear that much more phylogenetic work is necessary before we can be confident as to their phylogenetic relationships. Below we include an identification key for the three Mexican taxa, their correct names, complete synonymy, descriptions, and a distribution map.</font></p>     <p align="center"><font face="verdana" size="2"><img src="/img/revistas/abm/n99/a1k1.jpg"></font></p>     <p align="justify"><font face="verdana" size="2"><b>Tillandsia grandis</b> Schltdl., Linnaea 18: 424&#150;426. 1845 "1844". TYPE: Veracruz, in praeruptis, hacienda de la Laguna, Aug. fruct., VIII.1829, C. Schiede s.n. (Lectotype &#91;W. Weber, 1984&#93; B photo!; Isolectotypes: B photo!, BM, HAL 45629 photo!, LE, OXF). <a href="#f2">Fig. 2 A</a>.</font></p>     <p align="justify"><font face="verdana" size="2">Rosulate stemless lithophytic or very rarely epiphytic herbs, flowering 2&#150;4 m tall, with solitary tank rosettes to 1.7 m in diameter. Leaves numerous; sheaths brown to light brown on the adaxial surface, dark brown on the abaxial surface, widely elliptic to widely ovate, 10&#150;25 cm long, 10&#150;16 cm wide, densely brown punctulate&#150;lepidote on both surfaces; blades green, paler beneath, strap&#150;shaped, 60&#150;120 cm long, 8&#150;15 cm wide at the base, punctulate&#150;lepidote on both surfaces, acuminate, erect to ascending. Inflorescence terminal, erect, compound, once branched, with 15 to 30 spikes, peduncle terete, to 1 m long, 2.5&#150;3 cm in diameter, partially covered by the bract sheaths; peduncle bracts not imbricate, green, foliaceous, similar to the basal leaves; sheaths 5&#150;6 cm long, blades 5&#150;7 cm long; spikes compressed, oblong, 14&#150;25 cm long, 5&#150;7 cm wide, long stipitate, stipes strongly curved, 15&#150;36 cm long, 8&#150;10 mm in diameter, bracteate, slightly compressed; primary bracts vaginiform, ovate&#150;triangular, 5.5&#150;7 cm long, 4.5&#150;5 cm wide, acuminate; floral bracts dark green, widely elliptic, 3.5&#150;4 cm long, 1.6&#150;2 cm wide, imbricate but the rachis visible after anthesis, nervate, ecarinate, glabrous outside, brown punctulate&#150;lepidote inside, margin erose, apex obtuse to rounded; flowers distichous, erect, 15&#150;20 per spike, actinomorphic, corolla helicoiform, subsessile, pedicels strong, to 1 mm long; sepals free, green, ovate to triangular, 3.4&#150;4 cm long, 1.4&#150;1.6 cm wide, ecarinate, glabrous outside, brown&#150;punctulate lepidote inside, margin erose, apex rounded to acute; petals light green with brown&#150;purple dots, oblong, strap shaped, twisted, 10.3&#150;10.5 cm long, 9&#150;10 mm wide, rounded at the apex; stamens subequal, filaments free, light green to white, filiform, 10&#150;11 cm long, anthers green to green&#150;whithish, linear, curved, 9&#150;12 mm long; ovary green, ovoid, 9&#150;11 mm long, ca. 6 mm in diameter, style green, filiform, 10&#150;11 cm long, stigma green. Capsule green, fusiform, rostrate, 4&#150;6.5 cm long, 6&#150;7 mm in diameter; seeds dark brown, fusiform, ca. 5 mm long, with a white coma ca. 4 cm long.</font></p>     <p align="justify"><font face="verdana" size="2">Specimens examined: Mexico, <b>Guanajuato</b>, municipio de Atarjea, arroyo del r&iacute;o Blanco, 1300 m, 7.III.1991, <i>E. Ventura</i> &amp; <i>E. L&oacute;pez</i> 9153 (IEB, MEXU, XAL). <b>Hidalgo</b>, municipio de Zimap&aacute;n, 10 km al NW de Zimap&aacute;n, 1000 m, 30.IV.1965, <i>L. Gonz&aacute;lez</i> Q. 2376 (ENCB, MICH); municipio de Zimap&aacute;n, aproximadamente 800 m al sur de las Adjuntas, 16.I.1991, <i>V. M. Huerta 1176</i> (IEB); municipio de Zimap&aacute;n, barranca de Tolim&aacute;n, 1520 m, 4.V.1954, <i>E. Matuda 32204</i> (MEXU, US); municipio de Zimap&aacute;n, between Zimap&aacute;n and barranca de Tolim&aacute;n, on road to mine Loma del Toro, 1200 m, 25.IV.1947, <i>H. E. Moore jr. 2602</i> (GH, UC, US). <b>Oaxaca</b>, municipio de Huautla de Jim&eacute;nez, cerca de cascada de Chochotla, <i>Huautla</i>, 1700 m, 7.IV.1974, E. Matuda 38623 (LL, MEXU); municipio de Huautla de Jim&eacute;nez, aproximadamente 1.5 km de Aguacatitla, por la terracer&iacute;a a Santa Cruz de Ju&aacute;rez, 1589 m, 12.V.2001, <i>X. Munn &amp; T. Kasey 1182</i> (MEXU); municipio de San Juan Bautista Cuicatl&aacute;n, a 33 km al SE de Cuicatl&aacute;n, camino a Oaxaca, 1524 m, 8.I.2001, <i>E. Mart&iacute;nez &amp; V. Torres 33479</i> (MEXU); municipio de San Juan Bautista Cuicatl&aacute;n, Santa Mar&iacute;a Almoloyas &#150; Santa Catarina Tlaxila, 1600 m, 10.XII.1991, <i>A. Salinas et al. 6671</i> (MEXU); municipio de Santiago Nacaltepec, a 49 km al NE de San Francisco Telixtlahuaca, camino a Santiago Dominguillo, 6.II.1966, <i>C. Delgadillo 217</i> (MEXU, MO, XAL); municipio de Santiago Nacaltepec, El Mirador, headwaters of r&iacute;o Quiotepec, between Santiago Nacaltepec and Santiago Dominguillo, 6.II.1966, <i>W. R. Ernst 2487</i> (MEXU, US); municipio de Tepelmeme Villa de Morelos, cerro paraje Ladr&oacute;n (subiendo por Pasto Chino y barranca Copalillo), 1750 m, 14.IX.1994, A. Salinas &amp; E. L. Cruz 7836 (MEXU). <b>Puebla</b>, municipio de Caltepec, mogote Le&oacute;n, lado NE del cerro Grande, 2000 m, 10.II.1984, <i>P. Tenorio</i> 5434 (MEXU, OAX, TEX); municipio de San Jos&eacute; Miahuatl&aacute;n, Agua los Granados, ca. 20 km al W de San Jos&eacute; Axusco, 1100 m, 24.IX.1990, <i>A. Salinas et al. 5793</i> (MEXU); municipio de Tehuac&aacute;n, near Tehuac&aacute;n, 840 m, 30.VIII.1905, <i>J. N. Rose et al. 10124</i> (US). <b>Quer&eacute;taro</b>, municipio de Landa de Matamoros, Tangoj&oacute;, a la orilla del r&iacute;o Moctezuma, 400 m, 15.IV.1988, <i>S. Zamudio 6318</i> (IEB, MEXU, MICH, MO, UAMIZ); municipio de San Joaqu&iacute;n, ca&ntilde;ada La Culebra, 1 km al NE de la Tinaja, 1600 m, 27.VIII.1978, <i>S. Zamudio 3234</i> (IEB). <b>Veracruz</b>, municipio de Coatepec, cerro de Achichuca, entre Tuzamapan y Jalcomulco, 900 m, 21.III.1979, <i>G. Castillo &amp; R. Ortega 489</i> (ENCB, XAL); municipio de Fort&iacute;n, Fort&iacute;n de las Flores (cultivated at posada Loma), 850 m, 20.VII.1967, <i>L. I. Nevling &amp; A. G&oacute;mez&#150;Pompa 197</i> (MEXU); municipio de Fort&iacute;n, between Fort&iacute;n de las Flores and Orizaba, above the Moctezuma brewery hydroelectric plant, 11.VII.1982, <i>J. Utley &amp; K. Burt&#150;Utley 7052</i> (MEXU); municipio de Nogales, cerros calizos al sur y suroeste de Orizaba, 1200 m, <i>R. Hern&aacute;ndez &amp; R. Dirzo 2087</i> (ENCB, MEXU); municipio de Nogales,1&#150;2 km despu&eacute;s de Nogales, sobre la carretera de cuota Orizaba &#150; Puebla, 1350 m, 23.III.1997, <i>A. R. L&oacute;pez&#150;Ferrari et al. 2446</i> (IEB, MEXU, UAMIZ, XAL); municipio de Nogales, a 2 km al E de Nogales, autopista a C&oacute;rdoba, 900 m, 28.IV.1988, <i>E. Mart&iacute;nez &amp; C. Ramos 22647</i> (CHAP, IEB, MEXU, MO); municipio de Orizaba, near Orizaba, 1938, <i>M. B. Foster VI</i> (GH); municipio de Orizaba, cerro de San Miguel, Orizaba, 1200 m, 9.III.1971, <i>R. Hern&aacute;ndez &amp; R. Cedillo 1136</i> (GH, MEXU); municipio de Orizaba, l&iacute;mite N de la ciudad de Orizaba, cerro de calizas junto a Tugrablok S. A., 1300&#150;1500 m, 25.III.1986, <i>D. Lorence 5000</i> (MEXU); municipio de Puente Nacional, barranca de Panoaya, 790 m, 25.IV.2004, A. R. L&oacute;pez&#150;Ferrari et al. 3118 (IEB, UAMIZ); municipio de Puente Nacional, barranca situada 2 km al SE de Palmillas, 550 m, 22.V.1985, M. E. Medina &amp; S. A. Contreras 104 (ENCB, MEXU, XAL); municipio de Totutla, barranca de Tlalpalan, 1100 m, I.1982, <i>M. Ch&aacute;zaro &amp; T. Mej&iacute;a 2067</i> (MEXU, XAL).</font></p>     <p align="justify"><font face="verdana" size="2"><b>Tillandsia macropetala</b> Wawra, Wiener III. Gart.&#150;Zeitung 12: 241&#150;244, Fig. 50. 1887. TYPE: <i>E. Morren in Li&egrave;ge hortus s.n.</i> (not located). Lectotype, here designated: Figure 50 in Wiener Illustrierte Garten&#150;Zeitung 12. 1887 (<a href="#f3">Fig. 3</a>). Epitype, here designated: municipio de Soteapan, faldas del volc&aacute;n Santa Marta, 18&deg;19' N, 94&deg;50' W, 1300 m, 19.VIII.2006, <i>T. Kr&ouml;mer &amp; E. Otto 2866</i> (MEXU, SEL, UAMIZ, XAL). <a href="#f1">Figs. 1A&#150;B</a>, <a href="#f2">2 C</a>.</font></p>     <p align="center"><font face="verdana" size="2"><a name="f3"></a></font></p>     <p align="center"><font face="verdana" size="2">	<img src="/img/revistas/abm/n99/a1f3.jpg"></font></p>     <p align="justify"><font face="verdana" size="2">Rosulate stemless epiphytic or very rarely lithophytic herbs, flowering 1.3&#150;1.75 m tall, with solitary tank rosettes to 1.2 m in diameter. Leaves numerous; sheaths brown to light brown on both surfaces, widely elliptic, 13&#150;15 cm long, 8&#150;8.5 cm wide, densely brown punctulate&#150;lepidote on both surfaces; blades green, paler beneath, strap shaped, 17&#150;45 cm long, 3.5&#150;7 cm wide at the base, punctulate&#150;lepidote on both surfaces, acuminate, erect to ascending. Inflorescence terminal, erect, compound, once branched, with 3 to 7 spikes, very rarely simple, peduncle terete, 55&#150;83 cm long, 5&#150;8 mm in diameter; peduncle bracts imbricate, green, foliaceous only the distal vaginiform ones; sheaths 3.5&#150;4.2 cm long, blades 7&#150;14 cm long; spikes compressed, oblong, 9&#150;23.5 cm long, 3&#150;6 cm wide, stipitate, stipes straight to slightly curved, 5&#150;11 cm long, 3.5&#150;5 cm in diameter; primary bracts vaginiform, ovate&#150;triangular, 5.5&#150;7 cm long, 4.5&#150;5.3 cm wide, acuminate; floral bracts green, glaucous, widely elliptic, 3.3&#150;4.3 cm long, 1.4&#150;2.4 cm wide, imbricate but the rachis visible after anthesis, nervate, ecarinate, glabrous outside, brown punctulate&#150;lepidote inside, margin erose, apex rounded to acute; flowers distichous, erect, (5)15&#150;20 per spike, actinomorphic, corolla helicoiform, subsessile; sepals free, green, oblong, 3&#150;3.4 cm long, 1.3&#150;1.5 cm wide, nervate, ecarinate, glabrous outside, brown&#150;punctulate lepidote inside, margin erose, apex rounded to acute; petals light green, strap shaped, twisted, 10.7&#150;12.3 cm long, 14&#150;17 mm wide, rounded at the apex; stamens subequal, filaments free, light green to white, filiform, 10.4&#150;11.7 cm long, anthers green to green&#150;whitish, linear, curved, 7.5&#150;8 mm long; ovary green, ovoid, 9&#150;12 mm long, ca. 6 mm in diameter, style green, filiform, 10.7&#150;11.4 cm long, stigma green. Capsule green, fusiform, rostrate, 5.3&#150;6 cm long, ca. 1 cm in diameter; seeds dark brown, fusiform, ca. 4.5 mm long, with a white coma ca. 3 cm long.</font></p>     <p align="justify"><font face="verdana" size="2">Specimens examined: Mexico, <b>Chiapas</b>, municipio de Cintalapa, southeast of Cerro Ba&uacute;l on the border with state of Oaxaca, 16 km northwest of Rizo de Oro, along a logging road to colonia Figueroa, 1600 m, 21.IV.1972, <i>D. E. Breedlove 24770</i> (ENCB, MEXU); municipio de Cintalapa, cerro Ba&uacute;l, 1600 m, 2.V.1999, M. A. P&eacute;rez Farrera 1954 (UAMIZ); municipio de Tenejapa, near paraje Yashanal, 2460 m, 28.I.1981, <i>D. E. Breedlove 49664</i> (MEXU): municipio de Villaflores, on the southeast side of cerro Tres Picos and the ridges near summit, 2100&#150;2500 m, 28.III.1973, <i>D. E. Breedlove 34445</i> (ENCB, MEXU, MICH, MO, TEX); municipio de Villaflores, zona n&uacute;cleo Tres Picos, 1350 m, 21.III.2004, A. Reyes et al. 6495 (UAMIZ). Oaxaca, municipio de Guevea de Humboldt, recorrido hacia el cerro de la Pe&ntilde;a Blanca, al SW de la Cumbre, la cual est&aacute; a 13.5 km al N de Guevea de Humboldt, 1300 m, 30.III.1991, <i>A. Campos &amp; R. Torres 3614</i> (CHAP, IEB, MEXU); municipio de Guevea de Humboldt, sierra Mixe, between Santa Mar&iacute;a Guienagati and Santiago Lachiguir&iacute;, 1500&#150;1550 m, 20.II.2005, J. Lautner et al. EM051104 (MEXU, SEL, WU); ib&iacute;d., 1500&#150;1550 m, 9.II.2006, J. Lautner et al. EM060602 (UAMIZ); municipio de Guevea de Humboldt, camino a Pe&ntilde;a Blanca, entrando por la Cumbre, la cual est&aacute; a 11 km al N de Guevea de Humboldt, 1230 m, 30.III.1994, <i>R. Torres &amp; L. Cort&eacute;s 14360</i> (GH, IEB, MEXU); municipio de Ixtl&aacute;n de Ju&aacute;rez, 39 km al S de Valle Nacional, sobre la carretera a Oaxaca, 1800 m, 26.VI.1975, <i>J. Rzedowski 33348</i> (ENCB); municipio de Ixtl&aacute;n de Ju&aacute;rez, 39 km al S de Valle Nacional, sobre la carretera a Oaxaca, 1800 m, 27.XII.1975, J. Rzedowski 33826 (ENCB); municipio de Ixtl&aacute;n de Ju&aacute;rez, 10 km al S de Esperanza, carretera Valle Nacional &#150; Oaxaca, 2260 m, 7.VIII.2002, J. Santana &amp; L. Pacheco 907A (UAMIZ); municipio de San Andr&eacute;s Ya&aacute;, a 7 km de la desviaci&oacute;n a San Andr&eacute;s Ya&aacute;, al S de Villa Alta, camino a Oaxaca, 2030 m, 16.III.1982, R. Cedillo &amp; R. Torres 1201 (ENCB, MEXU, MO); municipio de San Felipe Usila, 5.6 km en l&iacute;nea recta al S (172&deg;) de Santa Cruz Tepetotula, 1970 m, 25.II.1994, C. Gallardo et al. 919 (MEXU); municipio de San Felipe Usila, vereda Monte Pan hacia el campamento del tramo de la carretera, 1650 m, 12.XI.2007, G. Ibarra et al. 3965 (MEXU); municipio de San Felipe Usila, 5.6 km en l&iacute;nea recta al S (172&deg;) de Santa Cruz Tepetotutla, 2000 m, 22.XII.1993, A. Rinc&oacute;n et al. 242 (MEXU); municipio de San Juan Juquila Vijanos, 700 m del entronque Talea &#150; Juquila, sobre la terracer&iacute;a Maravillas &#150; Talea, 1930&#150;1975 m, 7.III.1977, <i>X. Munn</i> et al. 275 (MEXU); municipio de San Miguel Chimalapa, arroyo Rana, Cerro Azul, 16.III.1948, <i>T. MacDougall</i> s.n. (GH, US); municipio de San Pedro Y&oacute;lox, 11.5 km despu&eacute;s de la Esperanza, rumbo a Ixtl&aacute;n, carretera Oaxaca &#150; Tuxtepec, 2068 m, 20.XI.2003, <i>A. Espejo et al. 6700</i> (UAMIZ); municipio de Santiago Comaltepec, 5 km al W de la Esperanza, carretera Tuxtepec &#150; Oaxaca, 2000 m, 22.XII.1993, <i>R. Torres &amp; E. Mart&iacute;nez 11331</i> (MEXU); municipio de Santiago Comaltepec, 5 km al W de la Esperanza, carretera Tuxtepec &#150; Oaxaca, 1760 m, 26.I.1988, <i>R. Torres &amp; E. Mart&iacute;nez 11344</i> (MEXU); municipio de Santiago Comaltepec, 5.7 miles S of Vista Hermosa or 24 miles S of Valle Nacional along hwy 175, 6.VIII.1981, <i>J. Utley &amp; K. Burt&#150;Utley 6728</i> (MEXU); municipio de Santiago Comaltepec, Vista Hermosa, 20 miles SW of Valle Nacional, NE Oaxaca (Chinantecas Mountains), 1220 m, <i>O. C. van Hyning 5959</i> (US); municipio de Totontepec Villa de Morelos, rumbo Villa Alta, 16 km al W de Totontepec, 1860 m, 14.IX.1986, <i>E. Ram&iacute;rez &amp; P. Ram&iacute;rez 552</i> (IBUG, IEB, MEXU). <b>Puebla</b>, municipio de Ahuacatl&aacute;n, desviaci&oacute;n a Amixtl&aacute;n 3.6 km al S de Ahuacatl&aacute;n, 1150 m, 14.IV.1985, <i>P. Tenorio et al. 8774</i> (MEXU); municipio de Ahuacatl&aacute;n, Agua Dulce, 4 km al SE de Ahuacatl&aacute;n, brecha a Zapotitl&aacute;n, 1180 m, 17.V.1987, <i>G. Toriz et al. 414</i> (MEXU); municipio de Teziutl&aacute;n, Agua de Obispo, 1450 m, 9.V.1970, <i>F. Ventura 1061</i> (ENCB, IEB, MEXU); municipio de Xicotepec, 3 km al W de Xicotepec de Ju&aacute;rez (Villa de Ju&aacute;rez), 1100 m, 26.III.1968, <i>L. Guti&eacute;rrez 168</i> (ENCB); municipio de Xicotepec, cerca Villa Ju&aacute;rez, al NW, 8.IV.1944, <i>F. Miranda 3205</i> (MEXU); municipio de Zacapoaxtla, Apulco, cerca de Zacapoaxtla, 1300 m, 10.III.1973, <i>W. Boege 2744</i> (MEXU); municipio de Zacapoaxtla, cascada de la Gloria, cerca de Apulco, 850 m, 1400 m, 12.IV.1974, <i>J. Rzedowski 31850</i> (ENCB). <b>Veracruz</b>, municipio de Alto Lucero de Guti&eacute;rrez Barrios, cerro de la Cima, entre la Sombra y Tierra Blanca, 1700 m, 10.IV.1981, <i>G. Castillo &amp; F. V&aacute;zquez 1598</i> (XAL); municipio de Atzalan, Alseseca, 6.XII.1969, <i>F. Ventura 187</i> (ENCB); municipio de Chiconquiaco, los Ba&uacute;les, al E de parada Paredes, 1650 m, 9.III.1988, <i>C. Guti&eacute;rrez 3066</i> (XAL); municipio de Coatepec, Cinco Palos, 3 km al NW, 1700 m, 21.XI.1993, <i>V. E. Luna et al. 721</i> (XAL); municipio de Coatepec, Loma Alta, 4 km al E de Cinco Palos, 1900 m, 13.III.1994, <i>V. E. Luna et al. 1423</i> (XAL); municipio de Coatepec, near Coatepec, 11.IV.1957, <i>M. B. Foster &amp; O. C. van Hyning 3002</i> (US); municipio de Huatusco, 50 m al este de Dos Puentes, carretera Huatusco &#150; Totutla, 1300 m, 29.VIII.1979, S. <i>Avenda&ntilde;o &amp; G. Castillo 486</i> (XAL); municipio de Jilotepec, Jilotepec, on moist cliffs, 500 ft, 30.III.1959, <i>O. C. van Hyning 598</i> (US); municipio de Juchique de Ferrer, cerro de Villa Rica, cerca de la hacienda de la Flor, 1280 m, <i>G. Castillo et al. 1779</i> (XAL); municipio de Orizaba, Orizaba, <i>M. Botteri 65</i> (GH); municipio de Orizaba, Orizaba, 2550&#150;3000 ft, V.1961, <i>F. Kubisch 14</i> (US); municipio de Perote, barranca de Patula (cerca de Perote) &#91;barranca de las Minas, Perote&#93;, 1400 m, 5.VII.1976, <i>E. Matuda 38720</i> (CHAP, ENCB, MEXU, MO, XAL); municipio de Perote, barranca de planta mina, Perote, 1400 m, 5.VII.1976, <i>E. Matuda et al. 38734</i> (MEXU); municipio de Soteapan, cerro Platanillo, ejido de Santa Marta, sierra de Santa Marta, 1500 m, 21.XII.1978, <i>I. Calzada 5094</i> (XAL); municipio de Soteapan, volc&aacute;n de Santa Marta, 1720 m, 20.XII.1978, <i>R. V. Ortega 1121</i> (XAL); municipio de Tatahuicapan de Ju&aacute;rez, faldas del volc&aacute;n Santa Marta, 1300 m, 19.VIII.2006, T. Kr&ouml;mer &amp; E. Otto 2866 (MEXU, SEL, UAMIZ, XAL); municipio de Tatahuicapan de Ju&aacute;rez, fal    ]]></body>
<body><![CDATA[das del volc&aacute;n Santa Marta, 1450 m, 28.VIII.2008, <i>T. Kr&ouml;mer et al. 3713</i> (CITRO, MEXU); municipio de Tlalnelhuayocan, entre Los Capulines y Rancho Viejo, 1500 m, 24.XI.1990, P. Zamora 2796 (XAL); municipio de Xalapa, Sede&ntilde;o &#150; Rancho Serv&iacute;n, 6.VI.1993, G. Carmona 50 (XAL); municipio de Yecuatla, Los Capulines, near Paz de Enr&iacute;quez, ca. 8 km (by air) N of Chiconquiaco, 1400 m, 13.I.1984, K. Taylor et al. 139 (XAL); municipio de Yecuatla, 6 km al NW de Santa Rita, 22.II.1975, M. V&aacute;zquez V&#150;1878 (ENCB, MEXU); municipio de Yecuatla, el Haya, 1300 m, 11.II.1971, F. Ventura 3095 (ENCB, MICH).</font></p>     <p align="justify"><font face="verdana" size="2">Smith &amp; Downs (1977) cited <i>Vriesea macropetala</i> hort. (Rev. Hort. 69: 336. 1897) as synonym of <i>Tillandsia viridiflora</i>. However, this name is only mentioned in a publication of the Soci&eacute;t&eacute; National d'Horticulture de France without any description or mention of a basionym. Probably, Smith &amp; Downs (1977) supposed that the name could be a transfer from <i>Tillandsia macropetala</i> Wawra, because of the same epithet, although we think that there is no clear evidence and it might be a nomen nudum.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Tillandsia viridiflora</b> (Beer) Baker, J. Bot. 26: 81. 1888. <i>Platystachys viridiflora</i> Beer, Fam. Bromel. 81. 1856 "1857". TYPE: Mexico, "diese Pflanze wurde in der G&auml;rtnerei des Grafen Attems zu Graz aus Samen gezogen, welchen Herr <i>C. Heller</i> aus Mexico sendete. Sie bl&uuml;hte das erste Mal im November 1854 und ist jetzt in meinem Besitze" (not located). <a href="#f1">Figs. 1 C&#150;D</a>, <a href="#f2">2 D</a>.</font></p>     <p align="justify"><font face="verdana" size="2"><i>Tillandsia orizabensis</i> Baker, J. Bot. 26: 105. 1888. TYPE: Veracruz, Orizaba, region d'Orizaba au Borrego, E. Bourgeau 3055 (Lectotype (Smith &amp; Downs, 1977): K!; Isolectotypes: P!, P!); without precise locality, <i>L. Hahn s.n.</i> (Syntype: K!).</font></p>     <p align="justify"><font face="verdana" size="2"><i>Tillandsia longiflora</i> Sess&eacute; &amp; Mo&ccedil;., Fl. mexic. 88&#150;89. 1894 "1887"; Fl. mexic. ed. 2: 81. 1894. TYPE: Hidalgo, habitat supra arbores montium Huehuetlae. Floret Octobri. Totonaci Tacongxnexanat adpellant, <i>M. Sess&eacute; &amp; J. Mo&ccedil;i&ntilde;o</i> s n. &#91;No. Cuatrecasas 5459; 196&#150;PB&#93; (Holotype: MA 600161!, MA 606715!) (Blanco Fern&aacute;ndez de Caleya et al., 2010; Stafleu &amp; Cowan, 1985).</font></p>     <p align="justify"><font face="verdana" size="2">Rosulate stemless epiphytic herbs, flowering 0.65&#150;1 m tall, with solitary tank rosettes to 40 cm in diameter. Leaves numerous; sheaths brown to light brown, elliptic to oblong, 10&#150;14 cm long, 5.5&#150;6.5 cm wide, densely but inconspicuosly punctulate&#150;lepidote on both surfaces; blades green, slightly glaucous, paler beneath, narrowly triangular, 25&#150;50 cm long, 3&#150;4 cm wide at the base, glabrous on the adaxial surface, sparsely punctulate&#150;lepidote on the abaxial surface, acuminate, erect to ascending. Inflorescence terminal, erect, simple, peduncle terete, 45&#150;50 cm long, 5&#150;7 mm in diameter, totally covered by the bract sheaths; basal peduncle bracts green to reddish, imbricate, vaginiform, only the basal ones foliaceous; sheaths 3.5&#150;4.5 cm long, blades 1&#150;30 cm long; spike compressed, oblong to lanceolate, 17&#150;30 cm long, 6&#150;7 cm wide; floral bracts dark green, glaucous, widely elliptic, 3.2&#150;4 cm long, 2&#150;2.4 cm wide, imbricate but the rachis visible after anthesis, smooth to nervate, ecarinate, glabrous outside, sparsely brown punctulate&#150;lepidote inside, apex rounded; flowers distichous, ascendent, 13&#150;22 per spike, actinomorphic, corolla helicoiform, subsessile; sepals free, green, oblanceolate, 3&#150;3.4 cm long, ca. 1 cm wide, nervate, ecarinate, glabrous outside, sparsely brown&#150;punctulate lepidote inside, margin hyaline and erose, apex acute; petals light green, narrowly oblong, strap shaped, twisted, ca. 9 cm long, ca. 1 cm wide, rounded to acute at the apex; stamens subequal, longer than petals, filaments free, light green to white, filiform, 10&#150;10.5 cm long, anthers green to green&#150;whithish, linear, curved, 9&#150;11 mm long; ovary green, ovoid, ca. 14 mm long, ca. 5 mm in diameter, style green, filiform, 10&#150;11 cm long, stigma green. Capsule green, fusiform, rostrate, 5.7&#150;6 cm long, ca. 9 mm in diameter; seeds dark brown, fusiform, ca. 4 mm long, with a white coma 2.2&#150;2.8 cm long.</font></p>     <p align="justify"><font face="verdana" size="2">Specimens examined: Mexico, <b>Chiapas</b>, municipio de Berrioz&aacute;bal, 13 km north of Berrioz&aacute;bal, near pozo Turipache and finca el Suspiro, 900 m, 12.I.1973, <i>D. E. Breedlove &amp; A. R. Smith 31519</i> (ENCB); municipio de Berrioz&aacute;bal, Berrioz&aacute;bal &#150; las Vistas, 15.X.1950, <i>F. Miranda 6708</i> (MEXU); municipio de La Trinitaria, 15 km east northeast of Dos Lagos above Santa Elena, 1000 m, 29.XII.1981, <i>D. E. Breedlove 56607</i> (MEXU); municipio de La Trinitaria, 15 km east northeast of Dos Lagos above Santa Elena, 1170 m, 19.I.1982, <i>D. E. Breedlove &amp; F. Almeda 57551</i> (MEXU); municipio de La Triniatria, 13 km al E de Tziscao, 1000 m, 9.VIII.1985, T. Chehaibar et al. 202 (UAMIZ); municipio de Ocosingo, en la comunidad lacandona de Nah&aacute;, 27 km al sureste de Palenque, por la carretera fronteriza al crucero Chancal&aacute;, despu&eacute;s 55.6 km por el camino de terracer&iacute;a hacia Monte L&iacute;bano, 950 m, 20.XII.1993, <i>A. Dur&aacute;n &amp; S. Levy 55</i> (MEXU); municipio de Ocosingo, en laguna Ocotalito, a 12 km al N de Monte L&iacute;bano, camino a Chancal&aacute;, 980 m, 2.II.1986, <i>E. Mart&iacute;nez 17008</i> (MEXU); municipio de Ocosingo, laguna Ocotalito, 12 km al N de Monte L&iacute;bano, camino a Naj&aacute;, 950 m, 12.IV.1986, <i>E. Mart&iacute;nez &amp; A. Garc&iacute;a&#150;Mendoza 17980</i> (MEXU, MO); municipio de Ocosingo, a 10 km al NE de Monte L&iacute;bano, camino a Chancal&aacute;, 980 m, 17.VI.1986, <i>E. Mart&iacute;nez &amp; M. A. Soto 18835</i> (MEXU); municipio de Ocosingo, en laguna Ocotalito a 12 km al N de Monte L&iacute;bano, camino a Naj&aacute;, 950 m, 23.V.1987, E. Mart&iacute;nez M&#150;21248 (MEXU); municipio de Ocosingo, alrededor del ex poblado del Chamizal, 830 m, 3.XII.1976, <i>P. Valdivia 2422</i> (XAL); municipio de Oxchuc, la Cascada, el r&iacute;o Corralito, 1250 m, 10.IV.1983, <i>A. M&eacute;ndez Ton (Shilom Ton) 5820</i> (IEB, MEXU); municipio de Yajal&oacute;n, arroyo de Grava, 800 m, 16.III.1983, <i>A. M&eacute;ndez Ton (Shilom Ton) 5684</i> (MEXU); without precise locality, VI.1981, <i>R. W. Read &amp; P. E. Desautles 84&#150;103</i> (US). Hidalgo, municipio de Chapulhuac&aacute;n, 3 km al N de Chapulhuac&aacute;n, 850 m, 15.III.1960, <i>J. Rzedowski 12322</i> (ENCB); municipio de Huehuetla, Huehuetla, X, <i>M. Sess&eacute; &amp; J. Moci&ntilde;o s.n.</i> (MA); municipio de Lolotla, a 1.55 km al S de Chalma, 1230 m, 27.X.2001, <i>A. Ponce 230</i> (FCME). <b>Oaxaca</b>, municipio de San Lucas Zoquiapam, Cerro del Fraile, near Huautla de Jim&eacute;nez, 1830 m, 2.VIII.1938, <i>R. E. Schultes &amp; B. P. Reko 410</i> (GH); municipio de San Pedro Teutila, el Faro, paraje torre 130 de la L. T. Temascal II &#150; Oaxaca Potencia, 1263 m, 20.I. 2005, <i>G. Ju&aacute;rez &amp; C. A. Cruz 1111</i> (MEXU); municipio de San Pedro Teutila, el Faro, paraje torre 125 de la L. T. Temascal II Oaxaca Potencia, 670 m, 19.I.2005 <i>C. A. Cruz &amp; G. Ju&aacute;rez 2481</i> (MEXU); municipio de Santiago Lachiguiri, recorrido de crucero Guadalupe a las cuevas, 12.5 km al NE de Santiago Lachiguiri, 1200 m, 10.V.1991, <i>A. Campos &amp; R. Torres 3679</i> (MEXU). <b>Puebla</b>, municipio de Xicotepec, Villa Ju&aacute;rez, 1200 m, 3.VII.1969, C. Beutelspacher s.n. (MEXU); municipio de Xicotepec, Loma Linda, 6 km al SE de Xicotepec, carretera a la Uni&oacute;n, 1130 m, 11.VI.1985, P. Tenorio &amp; C. Romero de T. 8963 (ENCB, MEXU); municipio de Xicotepec, 5 km al NE de Xicotepec, carretera a La Ceiba, 1200 m, 24.II.1987, P. Tenorio et al. 12603 (MEXU); municipio de Xicotepec, 5 km al NE de Xicotepec, carretera a La Ceiba, 1200 m, 24.II.1987, G. Toriz et al. 288 (MEXU); municipio de Zongozotla, Zongozotla, 0.5 km camino a Huitzila, 840 m, 4.IX.1985, J. L. Mart&iacute;nez &amp; F. V&aacute;zquez 735 (XAL). <b>Quer&eacute;taro</b>, municipio de Jalpan de Serra, 1&#150;1.5 km al E de El Saucito, 1070 m, 7.XII.1989, E. Carranza 2249 (IEB); municipio de Jalpan de Serra, 2&#150;3 km al N de La Parada (Valle Verde), 1150&#150;1200 m, 31.X.1990, B. Serv&iacute;n 639 (IEB); municipio de Landa de Matamoros, km 6 de la brecha de Agua Zarca a Neblinas, 850&#150;1100 m, 24.VIII.1988, <i>S. Zamudio 6716</i> (IEB); municipio de Pinal de Amoles, ca. 4 km al SE de Santa &Aacute;gueda, 1190 m, 18.IV.1989, <i>E. Carranza 1640</i> (IEB). <b>San Luis Potos&iacute;</b>, municipio de Ray&oacute;n, Las Canoas, 17.X.1891, C. G. Pringle 5100 (GH); municipio de Tamazunchale, cerro de San Francisco, Tamazunchale, 1020 m, <i>P. Maury 6258</i> (GH). <b>Tamaulipas</b>, municipio de G&oacute;mez Far&iacute;as, reserva de la biosfera Rancho del Cielo, in the vicinity of the station, 1170 m, 2.V.1995, <i>P. Hietz 107</i> (XAL). <b>Veracruz</b>, municipio de Alto Lucero de Guti&eacute;rrez Barrios, Rancho Nuevo, al W de Plan de las Hayas, 1300 m, 6.IV.1981, <i>G. Castillo &amp; F. V&aacute;zquez 1291</i> (XAL); municipio de Alto Lucero de Guti&eacute;rrez Barrios, la Piedra Cuata, entre Plan de las Hayas y Rancho Nuevo, 1400 m, 7.IV.1981, <i>G. Castillo &amp; F. V&aacute;zquez 1352</i> (XAL); municipio de Atoyac, montagnes d'Atoyac, XI.1903, A. Dug&egrave;s 20 (GH); municipio de Atoyac, mountains of Atoyac, X.1899, A. Dug&egrave;s s.n. (US); municipio de Atzalan, Comunidad Cruz Gorda, congregaci&oacute;n San Salvador, 990 m, 17.VI.2008, <i>T. Kr&ouml;mer et al. 3320</i> (CITRO, MEXU, XAL, XALU); municipio de Chiconquiaco, Santa Rita Chiconquiaco, 1500 m, 28.II.1975, <i>V. Sosa 88</i> (XAL); municipio de C&oacute;rdova, Vall&egrave;e de Cordoba, 18.XII.1865, <i>E. Bourgeau s.n.</i> (P); municipio de Huatusco, puente antiguo, ca. 5.6 km antes de llegar a Huatusco, viniendo de Totutla, 1290 m, 20.VII. 2007, A. <i>Espejo et al. 7054</i> (UAMIZ); municipio de Jilotepec, El Esquil&oacute;n, cerro del Cuajilote, 26.XII.1978, <i>G. Castillo 411</i> (XAL); municipio de Jilotepec, 2.5 km NE of Jilotepec, along road to Naolinco, 1350 m, 10.VII.1982, <i>G. Diggs &amp; M. Nee 2776</i> (GH, MO, XAL); municipio de Mecayapan, Santa Marta, al N de Ocotal, 1450 m, 17.VIII.1980, <i>F. Ram&iacute;rez 1186</i> (XAL); municipio de Mecayapan cr&aacute;ter del volc&aacute;n Santa Marta, por Ocotal Chico, 900 m, 12.III.1981, <i>F. Ram&iacute;rez &amp; F. V&aacute;zquez 1535</i> (XAL); municipio de Mecayapan, faldas del volc&aacute;n Santa Marta, 1090 m, 19.VIII.2006, <i>T. Kr&ouml;mer &amp; E. Otto 2865</i> (MEXU); municipio de Misantla, Misantla, VI.1866, <i>L. Hahn s.n.</i> (P); municipio de Naolinco, cascada de Naolinco, 1530 m, 3.VII.2003, <i>A. Mendoza et al. 704</i> (UAMIZ); municipio de San Andr&eacute;s Tuxtla, dentro del cr&aacute;ter del volc&aacute;n San Mart&iacute;n Tuxtla, lado S, 1450 m, 31.V.1984, I. Calzada 10666 (XAL); municipio de San Andr&eacute;s Tuxtla, cerro Coyolar al N de Catemaco, 29.V.1985, <i>I. Calzada 11805</i> (XAL); municipio de San Andr&eacute;s Tuxtla, cima de    l cerro Mastagaga, al N del ejido Ruiz Cortines, sierra de los Tuxtlas, 30.V.1985, <i>I. Calzada 11825</i> (XAL); municipio de San Andr&eacute;s Tuxtla, falda del volc&aacute;n San Mart&iacute;n, 1300 m, 14.IV.2005, <i>T. Kr&ouml;mer et al. 1956</i> (MEXU, XAL); municipio de San Andr&eacute;s Tuxtla, ejido Ruiz Cortines, falda del volc&aacute;n San Mart&iacute;n Tuxtla, 1000 m, 1.VII.2005, <i>T. Kr&ouml;mer &amp; A. Acebey 2299</i> (MEXU); municipio de Soteapan, cr&aacute;ter del volc&aacute;n Santa Marta, SE del r&iacute;o Xochiapan, 670 m, 15.V.1985, <i>I. Calzada 11434</i> (XAL); municipio de Soteapan, Santa Marta, ladera W del volc&aacute;n Santa Marta, <i>F. Ram&iacute;rez 969</i> (XAL); municipio de Tatahuicapan de Ju&aacute;rez, faldas del volc&aacute;n Santa Marta, 1350 m, 28.VIII.2008, <i>T. Kr&ouml;mer et al. 3714</i> (MEXU); municipio de Tepetzintla, en la Sierra de Otontepec, al NE de Tepetzintla, 1200 m, 27.VIII.1981, <i>G. Castillo &amp; A. Benavides 2249</i> (XAL); municipio de Tepetzintla, sierra de San Juan Otontepec, 900 m, 13.XII.1981, <i>G. Castillo &amp; A. Benavides 2384</i> (XAL); municipio de Tepetzintla, sierra de Otontepec, 1250 m, 14.XII.1981, <i>G. Castillo &amp; A. Benavides 2542</i> (XAL); municipio de Tepetzintla, Sierra de Otontepec, al NE de Tepetzintla, 1170 m, 25.VIII.1981, F. V&aacute;zquez &amp; L. Tapia 208 (XAL); municipio de Tepetzintla, sierra de la Pe&ntilde;a Blanca, sierra de Tantima, 21.IX.1989, <i>P. Zamora et al. 1226</i> (XAL); municipio de Totutla, el Mirador, 21 km E of Huatusco, at km 45 along hwy to Puente Nacional, 23.VIII.1977, <i>T. Croat 43973</i> (MEXU, MO); municipio de Totutla, Mirador, 1841&#150;43 m, <i>F. Liebmann 7</i> (UC); municipio de Totutla, Mirador, VIII.1930, <i>C. A. Purpus 15763</i> (UC); municipio de Xalapa, pr&egrave;s de Jalapa, 4.IX.1866, <i>L. Hahn 594</i> (P); municipio de Xico, gorge at puente Acabaloya, ca. 1 km SE of Xico Viejo and 5 km NW of Xico, along trail between the two, 1600 m, 31.III.1983, <i>M. Nee &amp; K. Taylor 26268</i> (XAL); municipio de Zongolica, reserva ecol&oacute;gica La Quinta, Amatitla, 1250 m, 6.III.2008, <i>T. Kr&ouml;mer et al. 3131</i> (CITRO, MEXU, XAL).</font></p>     <p align="justify"><font face="verdana" size="2">It is also important to mention that sometimes plants of <i>Tillandsia heterophylla</i> (<a href="#f2">Fig. 2 B</a>) are confused in herbarium material with <i>T. viridiflora</i> and/or <i>T. macropetala</i> because of the branched inflorescences and overall morphology of the floral bracts. However, in living plants, the flowers of <i>T. heterophylla</i> have infundibuliform and slightly zygomorphic white corollas with included stamens, while the flowers of <i>T. viridiflora</i> and <i>T. macropetala</i> have helicoiform actinomorphic green corollas, spirally twisted petals, and the stamens are exposed. In addition the plants of <i>T. heterophylla</i> are conspicuously glaucous and pruinose.</font></p>     <p align="justify"><font face="verdana" size="2">Finally, we suggest that the name <i>Vriesea billbergiae</i> Lem. (<i>Tillandsia billbergiae</i> (Lem.) Baker) should probably be excluded from the synonymy of <i>T. viridiflora</i> because the original description of the former mentioned the presence of a "gland" at the base of petals: "... &#91;segmentis&#93; internis basi ima glandula maxima rotundato&#150;biloba tenuissima instructis ...". This character is not present in any species of Tillandsia and we think that this name eventually will be assigned to some species of <i>Vriesea</i> Lindl., as this genus in its current circumscription is separated from <i>Tillandsia</i> solely on floral characters (Till, 2000). However, as the description could be wrong, it will be necessary to study the type specimen (Type: <i>Ghiesbreght</i> in Verschaffelt Hortus, Ghent, no date, Mexico) in order to confidently exclude the name.</font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">All three species of the <i>Tillandsia viridiflora</i> complex show a wide distribution in the central and southern states of Mexico (<a href="/img/revistas/abm/n99/a1f4.jpg" target="_blank">Fig. 4</a>), where they principally occur in or near montane rain or moist pine&#150;oak forests along the slopes of the Sierra Madre Oriental, Sierra de Juarez, and Sierra de Chiapas. However, they can also be found in humid to moderately dry lowland forests. <i>T. grandis</i> occurs at 400 m to 2000 m elevation and grows primarily lithophytically on very steep, inaccessible limestone cliffs, but it is very occasionally epiphytic. <i>T. macropetala</i> can be found at elevations of (150)1100 m to 2500 m, whereas <i>T. viridiflora</i> occurs from 670 m to 1830 m elevation, both species usually occur as epiphytes and only rarely are found terrestrially. Since the distributions of <i>T. grandis</i> and <i>T. viridiflora</i> range from Mexico to Nicaragua (Beaman &amp; Judd, 1996), it is very likely that a future review of herbarium material in combination with the characters used in our identification key also will demonstrate the existence of <i>T. macropetala</i> in Central America, as the latter species is widespread in the southern states of Mexico, and thus probably not endemic to the country.</font></p>     <p align="justify"><font face="verdana" size="2">Their flowering periods are only slightly different, with <i>Tillandsia grandis</i> producing flowers between March and July, whereas <i>T. macropetala</i> and <i>T. viridiflora</i> start blooming in January and last until August (Espejo et al., 2005). In addition to their similar flower morphology and phenology, all three species show inconspicuous greenish inflorescences and a nocturnal anthesis, in contrast to most Tillandsia species that have brightly colored bracts with contrasting flowers which are pollinated by hummingbirds (Gardner, 1986; Benzing, 2000; Kessler &amp; Kr&ouml;mer, 2000). Hietz &amp; Hietz&#150;Seifert (1994) suggest sphingid moths as the most likely visitors, because of their long spreading stamina and pistil exerted from an open actinomorphic flower. However, personal observations by the senior author, combined with the identification of hexose&#150;rich nectar in <i>T. viridiflora</i> by Kr&ouml;mer et al. (2008), suggest bat&#150;pollination, although the plants in the complex do not show the typical chiropterophilous floral syndrome with bell&#150;shaped, large zygomorphic flowers, characteristic of the bat&#150;pollinated Werauhia species (Kr&ouml;mer et al., 2007). Furthermore, since the flowers of <i>T. macropetala</i> and <i>T. viridiflora</i> are still open during the next morning, they might also be visited by hummingbirds and show a bimodal pollination system.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>ACKNOWLEDGMENTS</b></font></p>     <p align="justify"><font face="verdana" size="2">We thank Amparo Acebey, Manfred Kretz, Ulrich Lautner, G&uuml;nther Noller, Elisabeth Otto, and Wolfgang Schindhelm for fieldwork assistance, Walter Till, Bruce K. Holst, and two anonymous reviewers for valuable comments on the manuscript, Lilia Ruiz&#150;Ruiz for preparing the figures 1&#150;3, Nancy Mart&iacute;nez&#150;Correa for preparing the distribution map and the curators of CHAP, ENCB, FCME, GH, IBUG, IEB, K, LL, MA, MEXU, MICH, MO, OAX, OXF, P, SEL, TEX, UAMIZ, UC, US, WU and XAL for providing the facilities to consult specimens and data. Sergio Zamudio sent us images of <i>T. viridiflora</i> deposited at IEB. To Elizabeth Bascom Scholarship from the Missouri Botanical Garden granted to A. R. L&oacute;pez&#150;Ferrari to study the Mexican Bromeliaceae collections deposited at the main U.S. herbaria. The study of T. Kr&ouml;mer was supported by a postdoctoral grant from the Universidad Nacional Aut&oacute;noma de M&eacute;xico and a research grant from the Bromeliad Society International.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>LITERATURE CITED</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">Baker, J. G. 1888. A synopsis of Tillandsieae. J. 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