Floral characters and species diversification

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August undefined, 2024

WebMar 23, 2012 · Indeed, for animal-pollinated species, floral adaptations to functional groups of pollinators often result in character specialization that could lead to reproductive isolation and speciation [2 ... WebJun 16, 2009 · One way to test for repeatable trends has been to test whether the evolution of particular traits is associated with species diversity. For example, clades of flowering plants that have independently evolved floral nectar spurs show a statistically significant trend for increased species diversity compared with nonspurred clades (24–26). This ...

Phylogenetic evidence for pollinator-driven diversification of ...

WebFloral Characters and Species Diversification CHAPTER 17 Floral characters and species diversiﬁcation Kathleen M. Kay, Claudia Voelckel, Ji Y. Yang, Kristina M. … WebIn flowering plants, the ambiguity of associations between traits and diversification has sparked debate since Darwin’s description of angiosperm diversification as an ‘abominable mystery’. Recent work … monitor tft s video

Global variation in diversification rate and species …

WebAug 6, 2024 · Analyses of the evolution of floral morphology and symmetry broaden our understanding of the drivers of angiosperm diversification. Integrated within a flower, … WebThe evolution of nectar spurs is highly correlated with increased species diversity across multiple independent lineages and thus provides strong support for the key innovation … WebFloral characters and species diversiÞcation Kathleen M. Kay, Claudia Voelckel, Ji Y. Yang, Kristina M. Hufford, Debora D. Kaska, and Scott A. Hodges Departmen t o f … monitor text messages windows phone

The ancestral flower of angiosperms and its early diversification - Nature

Floral Isolation between Aquilegia formosa and Aquilegia …

WebJan 1, 2009 · Indeed, 48 reports that 38% of the characters used to taxonomically distinguish among bee-pollinated related species are … WebNov 2, 2024 · The diagnostic characters for species delimitation rely on floral traits, such as inflorescence type, flower number per inflorescence, color of the tepals, stamen … monitor text messages free onlineWebMay 11, 2016 · These floral features facilitate animal pollination, and their well-studied effects on plant–pollinator interactions are consistent with a role in shaping patterns of diversification. Bilateral floral symmetry is frequently proposed as a key innovation [14,53] and in our models, it affects diversification rates most consistently, occurring in ... monitor texts on iphone

"WebJan 21, 2015 · The low morphological disparity indicates an early partitioning of floral characters. Conclusions. The lineage diversification and the morphological disparity are consistent with traditional scenarios of insular radiation. ... This method tests for constant species diversification, or constant rate (CR), DD without extinction (DD − E), and DD ... " - Floral characters and species diversification

Floral characters and species diversification

The Phylogeny and Biogeographic History of Ashes

WebThe petals of many representatives during anthesis form a closed pollination chamber. Protogynous dichogamy with strong scent emissions especially during the pistillate stage is a character of nearly all species. Scent emissions can be enhanced by thermogenesis. The prevailing reproductive system in the family seems to be self-compatibility. Webnumber of known species (250), retains Verticillatae, but all other species are grouped based on the corolla types de-scribed above. The subsequent systems of Prain (1890), Bo-nati (1918), and Limpricht (1924) were based almost entirely on the same ﬂoral characters emphasized by Maximowicz. Taxonomic revisions of Pedicularis have generally taken

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WebApr 16, 2008 · It has been proposed frequently, from Darwin’s time onwards, that specialized pollination increases speciation rates and thus the diversity of plant species … WebAug 1, 1999 · Phylogenetic studies have suggested that the acquisition of key floral characters, such as the spurs of columbine flowers, which foster interactions with novel kinds of pollinators, can launch the adaptive radiation of flowering plant groups (Armbruster 1996, Hodges 1997). Ultimately, the process of diversification in flower form among …

WebApr 5, 2024 · The species in this subfamily exhibit a large diversity of floral morphology associated with repeated adaptations to different pollinators, such as hummingbirds, bees and bats [22–27] . Therefore, … WebOct 11, 2015 · The genus Fritillaria L. (Liliaceae), comprising approximately 140 species, is described as displaying a remarkable variety of flower …

WebJun 1, 2012 · The exceptional species richness of angiosperms has frequently been attributed to their floral adaptations for biotic pollination 1, 2, 3.The merging of knowledge about the functional significance of floral traits 4, 5 and sensory perception and behavior of animal pollinators [6] has spawned a large modern research program that investigates … WebJun 1, 2006 · many of the traits thought to affect clade diversity are ﬂoral in nature, because of their association with. reproduction and thus …

WebAug 2, 2024 · The selective role of pollinators on the floral phenotype has been identified as the main force behind angiosperm diversification. However, in generalized plant–pollinator interactions this association may not be that evident, since pollinator assemblages vary in composition among populations, possibly influencing the direction and intensity of floral …

WebApr 11, 2024 · Cultivated chrysanthemum possesses greater morphological diversity than other Chrysanthemum species, especially with respect to flower shape and colour. In this study, we inferred that the time period extending back 6 Mya was an important period in the speciation of Chrysanthemum and the tachytelic evolution of cultivated chrysanthemums. monitor testy 9WebNov 21, 2013 · Ancestral states of floral characters were estimated using a stochastic model of evolution , setting the model to Mk1 (“Markov k-state 1 parameter model”) ... A larger number of species and higher diversification rates were observed for the sections Ornus (15 species, 0.51 sp./mya) and Melioides sensu lato ... monitor that matches mac miniWebfloral characters (flowers as well as inflorescence) are important species’ descriptors. In general, many studies have shown that floral traits such as color, shape, size, fragrance, … monitor that turns verticalWebTherefore, we briefly review mechanisms by which floral traits can affect diversification. We then consider the possible influences of four specific traits by comparing the species … monitor tft baratosWebJun 1, 2012 · The exceptional species richness of angiosperms has frequently been attributed to their floral adaptations for biotic pollination 1, 2, 3.The merging of … monitor the cpu heatWebAug 13, 2024 · The evolution of four quantitative and two qualitative floral characters was mapped onto this phylogeny, demonstrating a reduction in flower size and number of flower parts in Monanthotaxis ... monitor that plays from usbWebOct 25, 2024 · The diversity of floral morphology among plant species has long captured the interest of biologists and led to the development of a number of explanatory theories. Floral morphology varies substantially within species, and the mechanisms maintaining this diversity are diverse. monitor that connects to phone