Search Results - "Pérez‐Barrales, Rocio"

Low bee visitation rates explain pollinator shifts to vertebrates in tropical mountains by Dellinger, Agnes S., Pérez‐Barrales, Rocio, Michelangeli, Fabián A., Penneys, Darin S., Fernández‐Fernández, Diana M., Schönenberger, Jürg

“…Summary Evolutionary shifts from bee to vertebrate pollination are common in tropical mountains. Reduction in bee pollination efficiency under adverse montane…”
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New evidence for the Darwinian hypothesis of heterostyly: breeding systems and pollinators in Narcissus sect. Apodanthi by Pérez-Barrales, Rocio, Vargas, Pablo, Arroyo, Juan

“…• Here we analysed the role played by breeding systems and pollinators in the evolution of heterostyly by testing whether evolution towards heterostyly is…”
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Evolution of distyly breakdown in Palicoureeae Robbr. & Manen and Psychotrieae Cham. & Schltdl. (Rubiaceae) by Rodrigues, Ebenézer B., Consolaro, Hélder, Pérez-Barrales, Rocio, Oliveira, Paulo Eugênio

“…ABSTRACT Distyly is a floral polymorphism with reciprocal placement of male and female structures, heteromorphic self-incompatibility, and other ancillary…”
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Microsatellite marker development in the crop wild relative Linum bienne using genome skimming by Landoni, Beatrice, Viruel, Juan, Gómez, Rocio, Allaby, Robin G., Brennan, Adrian C., Picó, F. Xavier, Pérez‐Barrales, Rocio

“…Premise Nuclear microsatellite markers were developed for Linum bienne, the sister species of the crop L. usitatissimum, to provide molecular genetic tools for…”
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Floral biology, reciprocal herkogamy and breeding system in four Psychotria species (Rubiaceae) in Brazil by Sá, Túlio, Furtado, Marco T., Ferrero, Victoria, Pérez-Barrales, Rocio, Rodrigues, Ebenézer B., dos Santos, Isabela G., Consolaro, Hélder

“…Abstract Distylous species have two floral morphs with reciprocal positions of sexual whorls, functioning to promote cross-pollination. Additionally, most…”
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Incomplete partitioning of pollinators by Linum suffruticosum and its coflowering congeners by Pérez‐Barrales, Rocío, Armbruster, W. Scott

“…Premise Linum suffruticosum shows variations in pollinator fit, pollen pickup, and local pollinators that predict pollen deposition rates. The species often…”
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Exaptation and vulnerability to introduced mammal herbivores on Balearic endemic flora by Capó, Miquel, Pérez‐Barrales, Rocío, Cursach, Joana, Garrido, Jaume, Baraza, Elena, Rita, Juan

“…Aim Introduced mammal herbivores are predicted to negatively affect insular flora. However, disentangling which particular traits (1) developed from…”
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Patterns of variation in distylous traits and reproductive consequences in Erythroxylum species and populations by Matias, Raphael, Pérez‐Barrales, Rocío, Consolaro, Hélder

“…Premise Distylous species possess two floral morphs with reciprocal positioning of stigmas and anthers that is hypothesized to promote disassortative…”
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Do reciprocal herkogamy and pollinators affect legitimate pollen flow in distylous species of Rubiaceae? by Furtado, Marco Túlio, Matias, Raphael, Pérez-Barrales, Rocio, Consolaro, Hélder

“…Abstract The function of the reciprocal position of anthers and stigmas of the floral morphs in distylous flowers is to promote cross-pollination between…”
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Evolutionary consequences of ecological factors: pollinator reliability predicts mating-system traits of a perennial plant by Opedal, Øystein H., Albertsen, Elena, Armbruster, W. Scott, Pérez-Barrales, Rocío, Falahati-Anbaran, Mohsen, Pélabon, Christophe

“…The reproductive‐assurance hypothesis predicts that mating‐system traits will evolve towards increased autonomous self‐pollination in plant populations…”
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Complementary roles of hummingbirds and bees: Pollen pickup, pollen deposition, and fruit production in the distylous Palicourea rigida by Furtado, Marco Túlio, Matias, Raphael, Pérez‐Barrales, Rocío, Consolaro, Hélder

“…Premise Distyly is a condition in which individual plants in a population express two floral morphs, L‐ and S‐morph, characterized by reciprocal placements of…”
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Pollen as the link between floral phenotype and fitness by Opedal, Øystein H., Pérez‐Barrales, Rocío, Brito, Vinícius L. G., Muchhala, Nathan, Capó, Miquel, Dellinger, Agnes

“…Pollen plays a key role in plant reproductive biology. Despite the long history of research on pollen and pollination, recent advances in pollen‐tracking…”
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Using ecological context to interpret spatiotemporal variation in natural selection by Albertsen, Elena, Opedal, Øystein H., Bolstad, Geir H., Pérez-Barrales, Rocío, Hansen, Thomas F., Pélabon, Christophe, Armbruster, W. Scott

“…Spatiotemporal variation in natural selection is expected, but difficult to estimate. Pollinator-mediated selection on floral traits provides a good system for…”
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Euglossine bees mediate only limited long-distance gene flow in a tropical vine by Opedal, Øystein H, Falahati-Anbaran, Mohsen, Albertsen, Elena, Armbruster, W Scott, Perez-Barrales, Rocío, Stenoien, Hans K, Pelabon, Christophe

“…Euglossine bees (Apidae: Euglossini) have long been hypothesized to act as long-distance pollinators of many low-density tropical plants. We tested this…”
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Pollinators and seed predators generate conflicting selection on Dalechampia blossoms by Pérez-Barrales, Rocío, Bolstad, Geir H., Pélabon, Christophe, Hansen, Thomas F., Armbruster, W. Scott

“…Plant–pollinator relationships are often mediated by floral traits that advertise the presence or amount of rewards. However, herbivores may also use these…”
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adaptive accuracy of flowers: measurement and microevolutionary patterns by Armbruster, W. Scott, Hansen, Thomas F, Pélabon, Christophe, Pérez-Barrales, Rocío, Maad, Johanne

“…BACKGROUND AND AIMS: From Darwin's time onward, biologists have thought about adaptation as evolution toward optimal trait values, but they have not usually…”
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Differences in pollinator faunas may generate geographic differences in floral morphology and integration in Narcissus papyraceus (Amaryllidaceae) by Pérez-Barrales, Rocío, Arroyo, Juan, Scott Armbruster, W.

“…Pollinators may generate selective pressures that affect covariation patterns of multiple traits as well as the mean values of single floral morphological…”
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INFLUENCE OF POLLINATION SPECIALIZATION AND BREEDING SYSTEM ON FLORAL INTEGRATION AND PHENOTYPIC VARIATION IN IPOMOEA by Rosas-Guerrero, Víctor, Quesada, Mauricio, Armbruster, W. Scott, Pérez-Barrales, Rocío, Smith, Stacey DeWitt

“…Natural selection should reduce phenotypic variation and increase integration of floral traits involved in placement of pollen grains on stigmas. In this…”
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No evidence that seed predators constrain pollinator‐mediated trait evolution in a tropical vine by Opedal, Øystein H., Albertsen, Elena, Pérez‐Barrales, Rocío, Armbruster, W. Scott, Pélabon, Christophe

“…Premise of the Study Turnover in biotic communities across heterogeneous landscapes is expected to lead to variation in interactions among plants, their…”
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Direct selection at the blossom level on floral reward by pollinators in a natural population of Dalechampia schottii: full-disclosure honesty by Bolstad, Geir H, Armbruster, W. Scott, Pélabon, Christophe, Pérez-Barrales, Rocío, Hansen, Thomas F

“…Both floral rewards and advertisements can be important in the attraction of pollinators, but few studies have separated the individual contributions of…”
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