Floral characters and species diversification

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August undefined, 2024

WebAug 1, 2024 · The most recent common ancestor of all living angiosperms likely existed ∼ 140–250 million years ago 1, 2, 3. In contrast, the most recent common … 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 …

Floral evolution by simplification in Monanthotaxis

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 … 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, … optical brighteners free detergent

The Phylogeny and Biogeographic History of Ashes

WebNov 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 ... WebApr 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 ... 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 … optical brightening agent definition

Diversity Free Full-Text Evolution of Reproductive Traits and ...

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 ... 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 … porting manifoldWebApr 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 … porting mobile number to woolworths

"WebApr 10, 2024 · In addition, keys to the genera, sections and species based on male floral characters were generated. 2. Results ... R. Evolutionary dynamics and biogeography of Musaceae reveal a correlation between the diversification of the banana family and the geological and climatic history of Southeast Asia. New Phytol. 2016, 210, 1453–1465. " - Floral characters and species diversification

Floral characters and species diversification

Is there spatial variation in phenotypic selection on floral traits …

WebAug 1, 2024 · The most recent common ancestor of all living angiosperms likely existed ∼ 140–250 million years ago 1, 2, 3. In contrast, the most recent common ancestor of all extant seed plants (that is ... 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 …

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Webversity in ﬂoral morphology and ecology, species in the genus are largely interfertile (Prazmo 1965; Taylor 1967), and therefore, genetic analysis of the traits differentiating … 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 …

WebOct 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. 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 …

Webpromote species diversity using two species of Aquilegia, Aquilegia formosa and Aquilegia pubescens, which form narrow hybrid zones. Floral visitors strongly discriminated … 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 …

WebMay 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 ...

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 ... porting mobile number from telstraWebJan 1, 2009 · Indeed, 48 reports that 38% of the characters used to taxonomically distinguish among bee-pollinated related species are … optical brighteners for paintWebfloral 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, … porting mobile number whatsappWebAug 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 … porting mobile number australiaWebFloral 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 … optical brightener suppliersWebFlower differentiation is a plant process by which the shoot apical meristem changes its anatomy to generate a flower or inflorescence in lieu of other structures. Anatomical … porting mobile number partially doneWebFloral Characters and Species Diversification CHAPTER 17 Floral characters and species diversiﬁcation Kathleen M. Kay, Claudia Voelckel, Ji Y. Yang, Kristina M. … optical brightener uses