Floral characters and species diversification

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WebOct 13, 2024 · Floral color plays a key role as visual signaling and is therefore of great importance in shaping plant-pollinator interactions. Iris (Iridaceae), a genus comprising over 300 species and named after the … 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 …

Non-equilibrium dynamics and floral trait interactions shape …

Webries (Carroll, 2005; Darwin, 1859), and the remarkable floral diver-sity of angiosperms is one prime example. Floral diversity could have arisen via random drift in floral … 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 … high point central bison

(PDF) Hummingbird pollination and the diversification of …

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. 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 ... WebJan 1, 2013 · Floral diversity among the hundreds of thousands of extant angiosperms is remarkable, but even the fossil record shows extensive variation in flower size and morphology, even among the very earliest … high point center san antonio

Floral evolution and pollinator diversification in Hedychium

Frontiers All the Colors of the Rainbow: …

Web2.Petals are large coloured part or flower. Fhey form w horl just inside the sepals. Petals are collectively called corolla. 3. Stamens: Stamens are the imile organs of flower. rhey … 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 … how many bath towels in washing machineWebNov 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 ... how many bath towels do you need for a baby

"WebTherefore, 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 … " - Floral characters and species diversification

Floral characters and species diversification

Genetics of Floral Traits Inﬂuencing Reproductive Isolation …

WebWith ca. 2500 species, Myrteae is the largest tribe of Myrtaceae and one of the most diverse groups of flowering plants in the tropical Americas. In light of recent systematics adjustments, the present study is a review and provides new insights into floral diversity and evolution in Myrteae. General aspects of floral ontogeny and morphology for the fifty … 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, …

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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 …

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 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.

WebAngiosperms exhibit a wide range of variability in floral attributes such as shape, size or color. Color is one of the most conspicuous floral characters, and since Darwin’s time, it has been considered an important trait for pollinator attraction. However, over the past several decades, a growing body of evidence suggests the flower color is implied in … 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 ...

WebThe most biodiverse places on Earth are warm and wet (5–7).This is reflected in the latitudinal diversity gradient, the observation that species richness peaks near the …

WebApr 29, 2024 · Dioscorea is a pantropical monocotyledonous genus encompassing several well-known tuber crops and medicinal plants. It possesses remarkable morphological diversity, especially in reproductive characteristics, which are suggested to play important roles in species adaptation and diversification. Yet there have been few studies that … how many bathing suits for 5 day vacationWebOct 11, 2015 · The genus Fritillaria L. (Liliaceae), comprising approximately 140 species, is described as displaying a remarkable variety of flower … high point central websiteWebJun 28, 2024 · When the habitat occupied by a specialist species is patchily distributed, limited gene flow between the fragmented populations may allow population differentiation and eventual speciation. ‘Sky islands’—montane habitats that form terrestrial islands—have been shown to promote diversification in many taxa through this mechanism. We … high point central home pageWebJun 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 … high point central wrestlingWebApr 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 (i.e. clade species richness). We suggest here that the correlation between clade species richness and floral specialization is real, but that clade species richness is frequently … high point central addressWebpromote species diversity using two species of Aquilegia, Aquilegia formosa and Aquilegia pubescens, which form narrow hybrid zones. Floral visitors strongly discriminated … high point central high school homepageWebApr 12, 2024 · encouraged the use of floral characters as a proxy for pollination interactions in macro-evolutionary . 5. 107. 108. 109. ... and by including the species diversification process itself [Binary ... how many bathrooms can a navien 240a handle