Tillandsia leucopetala, a new species of Bromeliaceae from Rio Grande do Sul, southern Brazil

Büneker, Henrique Mallmann; Pontes, Rodrigo Corrêa; Witeck-Neto, Leopoldo; Soares, Kelen Pureza

doi:10.11646/phytotaxa.202.2.6

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…& Read, is known from just two nearby localities besides this river. Although epiphytic species of bromeliads often have wide distributions, saxicolous and rheophytic species in the family are often geographically restricted, being usually endemic to small areas (Büneker, Pontes, Witeck-Neto, & Soares, 2015).…”

Section: Discussionmentioning

confidence: 99%

Rheophytes of the Samaná Norte River, Colombia: A Hydroelectric Project Threatens an Endemic Flora

Hoyos‐Gómez

Bernal

2018

Tropical Conservation Science

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We studied the rheophytic vascular flora of the Samaná Norte River basin in Antioquia, Colombia, by rafting along a 61.4-km stretch of the river and establishing 10 plots on its banks. We found 58 species of rheophytes, including morphospecies, belonging to 29 families, mostly herbs and subshrubs. At least nine of the species are known only from this river basin and seven of them were discovered as new to science during this study. The nine species endemic to this river basin have estimated area of occupancy smaller than 10 km 2 and are here categorized as critically endangered. We recommend reconsidering plans to dam the river for a hydroelectric plant, as it might reduce populations of the nine critically endangered species and might drive at least two of them to extinction.

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Section: Discussionmentioning

confidence: 99%

Rheophytes of the Samaná Norte River, Colombia: A Hydroelectric Project Threatens an Endemic Flora

Hoyos‐Gómez

Bernal

2018

Tropical Conservation Science

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“…In recent years, numerous new Tillandsia spp. have been described, indicating a morphological diversity still not sufficiently explored (Ehlers, ,b; Espejo‐Serna, López‐Ferrari & Till, ; Espejo‐Serna & López‐Ferrari, ; Pontes, ; Versieux, Nara Vasconcellos & Martinelli, ; Hernández‐Cárdenas et al ., ; Büneker et al ., ).…”

Section: Introductionmentioning

confidence: 97%

Disentangling theTillandsia capillariscomplex: phylogenetic relationships and taxon boundaries in Andean populations

et al. 2016

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We studied the genetic diversity and structure of the Tillandsia capillaris complex, a morphologically diverse group of highly specialized epiphytes, across the distribution range in arid mountain regions of central Peru, Chile, Bolivia and central Argentina. To elucidate the phylogenetic relationships in the complex and to explore the taxon boundaries among populations, we used three plastid markers (rpoB-trnC-petN, trnK-matK-trnK, ycf1, c. 8100 bp in total) and one single-copy nuclear gene (PHYC, c. 1200 bp) for 69 populations and 96 individuals of the T. capillaris complex plus 16 outgroup taxa. Bayesian inference of plastid DNA data indicates the existence of two evolutionary core lineages, which can be recognized as two distinct species: T. capillaris and T. virescens (as proposed previously on the basis of morphological characters). Tillandsia capillaris is a monophyletic and homogeneous group, widely distributed and less genetically variable, whereas T. virescens (including T. kuehhasii) is genetically more divergent with most of the forms growing at high elevation in arid areas, except for the small clade including T. virescens s.s. (= T. cordobensis), which grows in lower, more humid habitats. The nuclear analysis resulted in a polytomy with some individuals showing incongruent positions between plastid and nuclear topologies. The high haplotype diversity, consisting of 63 plastid DNA haplotypes in 69 populations, was resolved as two core lineages occurring from north to south, allowing us to establish a preliminary view of the genetic variation overlapping between the two taxa. The results suggest that the genetic differentiation into two main clades is consistent with morphological variation in this Andean complex.

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“…New bromeliad species continue to be discovered (Aguirre-Santoro, Betancur & Holst, 2015;Aguirre-Santoro & Michelangeli, 2015;B€ uneker et al, 2015;Forzza & Leme, 2015;Gonz alez-Rocha et al, 2015;Leme, 2015;Monteiro & Forzza, 2015;Ram ırez et al, 2015;de Sousa & Wanderley, 2015), but with >3300 species already described (Luther, 2012;Govaerts, Luther & Grant, 2013), the discovery of an explanation of the drivers and mechanisms of bromeliad diversification has become one of the overarching aims of research into the family. New bromeliad species continue to be discovered (Aguirre-Santoro, Betancur & Holst, 2015;Aguirre-Santoro & Michelangeli, 2015;B€ uneker et al, 2015;Forzza & Leme, 2015;Gonz alez-Rocha et al, 2015;Leme, 2015;Monteiro & Forzza, 2015;Ram ırez et al, 2015;de Sousa & Wanderley, 2015), but with >3300 species already described (Luther, 2012;Govaerts, Luther & Grant, 2013), the discovery of an explanation of the drivers and mechanisms of bromeliad diversification has become one of the overarching aims of research into the family.…”

Section: Introductionmentioning

confidence: 99%

“…Although a few phylogenetic quandaries await resolution, our understanding of the diversity and phylogeny of Bromeliaceae is considerably more advanced than that of de Jussieu. New bromeliad species continue to be discovered (Aguirre-Santoro, Betancur & Holst, 2015;Aguirre-Santoro & Michelangeli, 2015;B€ uneker et al, 2015;Forzza & Leme, 2015;Gonz alez-Rocha et al, 2015;Leme, 2015;Monteiro & Forzza, 2015;Ram ırez et al, 2015;de Sousa & Wanderley, 2015), but with >3300 species already described (Luther, 2012;Govaerts, Luther & Grant, 2013), the discovery of an explanation of the drivers and mechanisms of bromeliad diversification has become one of the overarching aims of research into the family. To this end, well resolved, time-calibrated multi-locus molecular phylogenetic trees have been reconstructed, recognizing eight subfamilies: (Brocchinioideae, (Lindmanioideae, (Tillandsioideae, (Hechtioideae, (Navioideae, (Pitcairnioideae, (Bromelioideae, Puyoideae))))))) (Givnish et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Think tank: water relations of Bromeliaceae in their evolutionary context

Males

2016

Bot. J. Linn. Soc.

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Water relations represent a pivotal nexus in plant biology due to the multiplicity of functions affected by water status. Hydraulic properties of plant parts are therefore likely to be relevant to evolutionary trends in many taxa. Bromeliaceae encompass a wealth of morphological, physiological and ecological variations and the geographical and bioclimatic range of the family is also extensive. The diversification of bromeliad lineages is known to be correlated with the origins of a suite of key innovations, many of which relate directly or indirectly to water relations. However, little information is known regarding the role of change in morphoanatomical and hydraulic traits in the evolutionary origins of the classical ecophysiological functional types in Bromeliaceae or how this role relates to the diversification of specific lineages. In this paper, I present a synthesis of the current knowledge on bromeliad water relations and a qualitative model of the evolution of relevant traits in the context of the functional types. I use this model to introduce a manifesto for a new research programme on the integrative biology and evolution of bromeliad water-use strategies. The need for a wide-ranging survey of morphoanatomical and hydraulic traits across Bromeliaceae is stressed, as this would provide extensive insight into structurefunction relationships of relevance to the evolutionary history of bromeliads and, more generally, to the evolutionary physiology of flowering plants.

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Tillandsia leucopetala, a new species of Bromeliaceae from Rio Grande do Sul, southern Brazil

Abstract: Tillandsia leucopetala H. Büneker, R. Pontes & L. Witeck is an endemic saxicolous new species from Rio Grande do Sul, southern Brazil. It is described, illustrated and data about its geographic distribution and ecology are provided.

Cited by 5 publications

References 2 publications

Rheophytes of the Samaná Norte River, Colombia: A Hydroelectric Project Threatens an Endemic Flora

Rheophytes of the Samaná Norte River, Colombia: A Hydroelectric Project Threatens an Endemic Flora

Disentangling theTillandsia capillariscomplex: phylogenetic relationships and taxon boundaries in Andean populations

Think tank: water relations of Bromeliaceae in their evolutionary context

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