Floral characters and species diversification

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August undefined, 2024

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 (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 … WebOct 11, 2015 · The genus Fritillaria L. (Liliaceae), comprising approximately 140 species, is described as displaying a remarkable variety of flower …

Phylogenetic evidence for pollinator-driven diversification of ...

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. 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 … candle light dinner in gurgaon bar menu

Associations between floral specialization and species diversity: …

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 … WebAug 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 ... Webfloral 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, … candle light dinner in irving tx

Floral evolution by simplification in Monanthotaxis

Floral Nectar Spurs and Diversification International …

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 … 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 … fish restaurants folkestoneWebNov 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 … candle light dinner in chandigarh quora

"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

Global variation in diversification rate and species …

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. 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 …

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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 … WebJun 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 …

WebJan 1, 2009 · Indeed, 48 reports that 38% of the characters used to taxonomically distinguish among bee-pollinated related species are … WebJun 1, 2006 · many of the traits thought to affect clade diversity are ﬂoral in nature, because of their association with. reproduction and thus …

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 … 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 ...

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 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. fish restaurants falmouthWebApr 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 ... candle light dinner in hauz khas villageWebThe 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. fish restaurants for saleWebFloral 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 … candle light dinner in islamabadWebAug 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 … candle light dinner in inorbit mall vashiWebFloral Characters and Species Diversification CHAPTER 17 Floral characters and species diversiﬁcation Kathleen M. Kay, Claudia Voelckel, Ji Y. Yang, Kristina M. … candle light dinner in inorbit mall hyderabadWebNov 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 … fish restaurants fort collins