Floral characters and species diversification
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 … 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 …
Floral characters and species diversification
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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 … 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 …
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 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.
WebJun 1, 2006 · many of the traits thought to affect clade diversity are floral in nature, because of their association with. reproduction and thus … 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.
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 ...
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 ... ontrack financial planning ltdWebJun 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 … iota footballWebnumber 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 ontrack financial educationWebApr 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, … ontrack financial counselingWebAug 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 … ontrack financial education \u0026 counselingWebfloral 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, … iotafwrWebversity in floral morphology and ecology, species in the genus are largely interfertile (Prazmo 1965; Taylor 1967), and therefore, genetic analysis of the traits differentiating … ontrack financial