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14 results for “pollination syndromes”
Data from: Repeated evolution of vertebrate pollination syndromes in a recently diverged Andean plant clade
While specialized interactions, including those involving plants and their pollinators, are often invoked to explain high species diversity, they are rarely explored at macroevolutionary scales. We investigate the dynamic evolution of hummingbird and bat pollination syndromes in the centropogonid clade (Lobelioideae: Campanulaceae), an Andean-centered group of ∼550 angiosperm species. We demonstrate that flowers hypothesized to be adapted to different pollinators based on flower color fall into distinct regions of morphospace, and this is validated by morphology of species with known pollinators. This supports the existence of pollination syndromes in centropogonids, an idea corroborated by ecological studies. We further demonstrate that hummingbird pollination is ancestral, and that bat pollination has evolved ∼13 times independently, with ∼11 reversals. This convergence is associated with correlated evolution of floral traits within selective regimes corresponding to pollination syndrome. Collectively, our results suggest that floral morphological diversity is extremely labile, likely resulting from selection imposed by pollinators. Finally, even though this clade's rapid diversification is partially attributed to their association with vertebrate pollinators, we detect no difference in diversification rates between hummingbird- and bat-pollinated lineages. Our study demonstrates the utility of pollination syndromes as a proxy for ecological relationships in macroevolutionary studies of certain species-rich clades.
Data from: Nectary size is a pollination syndrome trait in Penstemon
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Data from: Repeated evolution of vertebrate pollination syndromes in a recently diverged Andean plant clade
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Data from: Are pollination "syndromes" predictive? Asian dalechampia fit neotropical models
Using pollination-syndrome parameters and pollinator correlations with floral phenotype from the neotropics, we predicted that Dalechampia bidentata Blume (Euphorbiaceae) in southern China would be pollinated by female resin-collecting bees between 12 and 20 mm in length. Observations in southwestern Yunnan Province, China, revealed pollination by resin-collecting, female Megachile (Callomegachile) nr. faceta Bingham (Hymenoptera: Megachilidae). These bees, at 14 mm in length, were in the predicted size range, confirming the utility of syndromes and models developed in distant regions. Phenotypic-selection analyses and estimation of adaptive surfaces and adaptive accuracies together suggest that the blossoms of D. bidentata are well adapted to pollination by their most common floral visitors.
Data from: Papilio butterfly vs. hawkmoth pollination explains floral syndrome dichotomy in a clade of Lilium
<p>This dataset contains data described in the paper recently accepted by Botanical Journal of the Linnean Society:" Liu C-Q, Niu Y, Lu Q-B, Chen Z, Cai B, Fang Y, Gao Y-D. (2021) <i><span>Papilio</span></i> butterfly vs. hawkmoth pollination explains floral syndrome dichotomy in a clade of <i><span>Lilium</span></i>".</p> <div>The <span>Leucolirion </span>clade of <span>Lilium</span> contains species with either tepal-recurved or trumpet-shaped flowers. We hypothesized that the tepal-recurved flowers might be pollinated by butterflies and/or birds while the trumpet-shaped flowers might permit visitation by a variety of hawkmoths. <span>Lilium leucanthum</span> has trumpet shaped flowers, and some populations of this species show dark coloration on the floral outer surface, suggesting pollination by mammals. We examined the dependence of reproduction on pollinators by pollen load analysis and pollination experiments. We also analysed floral traits to contrast the two floral syndromes involving different lepidopteran groups.</div> <div> </div> <div>The tepal-recurved lilies delivered pollen by <span>Papilio</span> butterflies with pollen predominantly attached to the hindwings. The trumpet-shaped flowers attracted diverse species with proboscises of different lengths. Self-incompatibility prevails throughout the clade. Exclusion of lepidopteran visitors resulted in very low seed set. The butterfly- and hawkmoth-pollinated species display contrasting floral syndromes. Thus, the dichotomy in floral syndrome, including nectar, color, and morphology in the <span>Leucolirion</span> clade is associated with <span>Papilio</span> butterfly vs. hawkmoth pollination. Intraspecific variation in colour of the floral outer surface of <span>L</span>. <span>leucanthum</span> was also confirmed by our measurements.</div> <div> </div> <div>These data can be used in further research on the floral ecology and evolution of Lilium and may also be needed in reviews of flower-hawkmoth interactions and hawkmoth biology.</div>
Data from: Tree species composition, breeding systems, pollination and dispersal syndromes in three forest successional stages in a tropical dry forest in Mesoamerica
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Data from: Papilio butterfly vs. hawkmoth pollination explains floral syndrome dichotomy in a clade of Lilium
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Data from: Quantifying hummingbird preference for floral trait combinations: the role of selection on trait interactions in the evolution of pollination syndromes
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Data from: Are pollination "syndromes" predictive? Asian dalechampia fit neotropical models
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Data from: Selfing can facilitate transitions between pollination syndromes
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Bird pollination syndrome is the plant’s adaptation to ornithophily, but nectarivorous birds are not so selective
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Floral traits differentiate pollination syndromes and taxa but fail to predict the identity of floral visitors to Castilleja
<p><b>Premise of the Study: </b>Animal pollination is critical to plant reproduction and may cause convergent evolution of pollination syndromes. Pollination syndromes in <i>Castilleja</i> are hypothesized based on floral traits and historical observations of floral visitors. Here we address these questions: (i) Can pollination syndromes be distinguished using floral morphological traits or volatile organic compound emissions? (ii) Is there significant variation in floral traits within a pollination syndrome, at the level of populations or species? and (iii) Do pollination syndromes predict the most frequent floral visitor to <i>Castilleja</i>?</p> <p><b>Methods:<i> </i></b>Floral traits and visitation were measured for five co-occurring <i>Castilleja</i> species (<i>C. applegatei, C. linariifolia, C. miniata, C. nana, and C. peirsonii</i>), representing three pollination syndromes (bee, fly, and hummingbird), at four sites in the Sierra Nevada Mountains. We used non-metric multidimensional scaling (NMDS) and multiple linear regressions to address key questions in the differentiation of <i>Castilleja </i>and floral visitors.</p> <p><b>Key Results: </b>Our analyses revealed that both morphological traits and floral VOCs distinguish between some pollination syndromes and <i>Castilleja</i> species. Morphological traits defined pollination syndromes reliably, but within the hummingbird syndrome, there was also significant variation among populations and species. Pollination syndrome was a poor predictor of visitors to <i>Castilleja</i>.</p> <p><b>Conclusions: </b>Floral trait differentiation among <i>Castilleja</i> individuals reflects both taxonomy and pollination syndromes. Differentiation was generally more evident in morphological traits compared to VOCs. Furthermore, <i>a priori</i> notions of pollination syndromes in this system are overly simplistic and fail to predict which animals most frequently visit <i>Castilleja</i> in natural populations.</p>
Floral traits differentiate pollination syndromes and taxa but fail to predict the identity of floral visitors to Castilleja
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Lussu et al. 2023 Biogeography of orchids and their pollination syndromes in small Mediterranean islands
<p><span>This dataset contains data relating to the species richness and reproductive strategies of orchids recorded in the islands of the Central Western Mediterranean Basin and published in the article Lussu et al. 2023 titled Biogeography of orchids and their pollination syndromes in small Mediterranean islands and published in Journal of Biogeography.</span></p>
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