Results 41 to 50 of about 25,530 (292)

Morph‐specific selection on floral traits in a polymorphic plant [PDF]

open access: yesJournal of Evolutionary Biology, 2010
AbstractCorrelations between phenotypic traits are common in many organisms, but the relative importance of nonadaptive mechanisms and selection for the evolution and maintenance of such correlations are poorly understood. In polymorphic species, morphs may evolve quantitative differences in additional characters as a result of morph‐specific selection.
Didrik, Vanhoenacker   +3 more
openaire   +2 more sources

The neglected importance of floral traits in trait‐based plant community assembly [PDF]

open access: yesJournal of Vegetation Science, 2020
AbstractAimsFloral traits are frequently studied in population biology and evolutionary ecology but are rarely considered in functional trait‐based studies focusing on the assembly of communities. We address this gap in trait‐based community assembly by synthesizing the existing literature on processes driving floral and pollination‐related trait ...
Anna E‐Vojtkó   +4 more
openaire   +3 more sources

A meta‐analysis of the agents of selection on floral traits

open access: yesEvolution, 2018
Floral traits are hypothesized to evolve primarily in response to selection by pollinators. However, selection can also be mediated by other environmental factors. To understand the relative importance of pollinator-mediated selection and its variation among trait and pollinator types, we analyzed directional selection gradients on floral traits from ...
Christina M. Caruso   +3 more
openaire   +3 more sources

QTL ANALYSIS OF FLORAL TRAITS IN LOUISIANA IRIS HYBRIDS [PDF]

open access: yesEvolution, 2007
The formation of hybrid zones between nascent species is a widespread phenomenon. The evolutionary consequences of hybridization are influenced by numerous factors, including the action of natural selection on quantitative trait variation. Here we examine how the genetic basis of floral traits of two species of Louisiana Irises affects the extent of ...
Amy, Bouck   +2 more
openaire   +2 more sources

Sex‐specific floral attraction traits in a sequentially hermaphroditic species [PDF]

open access: yesEcology and Evolution, 2020
Abstract Many angiosperms are hermaphroditic and produce bisexual flowers in which male (pollen export) and female (stigma receptivity) functions are separated temporally. This sequential hermaphroditism may be associated with variation in flower size, color, or pattern, all of which may influence pollinator attraction.
Kristen Peach   +3 more
openaire   +6 more sources

Geographic variation in floral traits and the capacity of autonomous selfing across allopatric and sympatric populations of two closely related Centaurium species [PDF]

open access: yes, 2017
Floral traits and the relative contribution of autonomous selfing to total seed set varies geographically and is often driven by the availability and abundance of suitable pollinators and/or the presence of co-flowering relatives.
Mario Vallejo-Marin   +7 more
core   +1 more source

Inbreeding and the genetic variance in floral traits of Mimulus guttatus [PDF]

open access: yesHeredity, 2003
The additive genetic variance, V(A), is frequently used as a measure of evolutionary potential in natural plant populations. Many plants inbreed to some extent; a notable observation given that random mating is essential to the model that predicts evolutionary change from V(A).
J K, Kelly, H S, Arathi
openaire   +2 more sources

Selection on floral traits through male fertility in a natural plant population [PDF]

open access: yes, 2008
Most studies on selection in plants estimate female fitness components and neglect male mating success, although the latter might also be fundamental to understand adaptive evolution.
van Kleunen, Mark, Burczyk, Jaroslaw
core   +1 more source

Evolutionary Ecology of Floral Traits in Fragrant Orchids

open access: yes, 2018
Why are flowers so diverse? Much of floral evolution is thought to be driven by pollinator-mediated selection. However, the connection between macroevolutionary patterns of floral diversity and microevolutionary processes remains poorly understood. In this thesis, I have used the fragrant orchids Gymnadenia conopsea s.s.
Chapurlat, Elodie
openaire   +2 more sources

Species‐specific responses to combined water stress and increasing temperatures in two bee‐pollinated congeners (Echium, Boraginaceae)

open access: yesEcology and Evolution, 2020
Water stress and increasing temperatures are two main constraints faced by plants in the context of climate change. These constraints affect plant physiology and morphology, including phenology, floral traits, and nectar rewards, thus altering plant ...
Charlotte Descamps   +4 more
doaj   +1 more source

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