685 results — topic: Flowering & Pollination
natural_populations_individual
This file contains data from transects in natural populations on individual plants. This dataset supports the section on the methods and results called "Environmental correlates of flower color variation"
Data from: Atypical flowers can be as profitable as typical hummingbird flowers
In western North America, hummingbirds can be observed systematically visiting flowers that lack the typical reddish color, tubular morphology, and dilute nectar of "hummingbird flowers". Curious about this behavior, we asked whether these atypical flowers are energetically profitable for hummingbir
Pollinator restriction in the narrow-tube flower type of Mertensia ciliata (James) G. Don (Boraginaceae)
The use and abuse of pollinators by fungi
Recent research shows that fungal exploitation of pollinators has the potential to affect floral evolution, pollination ecology, plant life history traits, as well as disease-transmission dynamics and fungal evolution.
The effects of pathogen-induced pseudoflowers and buttercups on each other's insect visitation
Pseudoflowers induced by the rust fungus Puccinia monoica on Arabis spp. are flower—like in color, shape, size, nectar production, and scent. Pseudoflowers attract insects that aid the rust's reproduction in a way that is analogous to pollination in flowering plants. I explored the effects of pathog
Quantitative genetics of sequential life-history and juvenile traits in the partially selfing perennial, <i>Aquilegia caerulea</i>
We determined the genetic basis of several traits related to overall fitness of Aquilegia caerulea, a perennial herb of the Rocky Mountains in western North America. To obtain measures of heritability relevant to the evolutionary potential of wild populations, we performed full and partial diallel c
Systematic increase in pollen carryover and its consequences for geitonogamy in plant populations
W. F. Morris, M. V. Price, N. M. Waser, J. D. Thomson, B. Thomson, D. A. Stratton, Systematic Increase in Pollen Carryover and Its Consequences for Geitonogamy in Plant Populations, Oikos, Vol. 71, No. 3 (Dec., 1994), pp. 431-440
Inbreeding depression and maternal effects on <i>Aquilegia caerulea</i>, a partially selfing plant
Effects of floral traits, pollinator visitation, and plant size on Ipomopsis aggregata fruit production
Current understanding of reproduction for animal-pollinated plant species is based on the premise that traits of flowers and inflorescences influence reproductive success by affecting pollinator behavior. This implies that within-population variation in such traits should affect reproductive success
Pollen discounting in Erythronium grandiflorum: mass-action estimates from pollen transfer dynamics
Pollen discounting, a reduction in success as an outcross pollen parent as a result of selfing, can reduce or eliminate the reproductive advantage commonly attributed to selfing. Previous estimates of pollen discounting have been based on segregation analysis of progeny from open-pollinated plants.
Indirect selection of stigma position in Ipomopsis aggregata via a genetically correlated trait
When do hummingbirds use torpor in nature?
The physiology of torpor in hummingbirds is well known from laboratory studies, but we still do not know when or how often this means of energy conservation is used in nature, whether regularly (the "routine" hypothesis) or only in response to inadequate food intake (the "emergency-only" hypothesis)
Pollinator mediated selection in an <i>Ipomopsis</i> hybrid zone in Poverty Gulch, Gunnison County, Colorado
The effects of nectar robbing on the reproductive success of <i>Ipomopsis aggregata</i>
Quantification of secondary pollen carryover in <i>Erythronium grandiflorum</i> (Liliaceae)
The Birds of North America, No. 53
The potential for rust infection to cause natural selection in <i>A. holboellii</i>
Patterns of rust infection as a function of host genetic diversity and host density in natural populations of the apomictic crucifer, <i>Arabis holboellii</i>
It is often assumed that genetic diversity contributes to reduced disease incidence in natural plant populations. However, little is known about the genetic structure of natural populations affected by disease. Here I present data from three apomictic (asexual) populations of Arabis holboellii infec
Floral mimicry by a plant pathogen
An extraordinary case of pathogen-mediated floral mimicry that contributes to fungal reproduction of the rust fungus Puccinia monoica is reported.