Results 251 to 260 of about 186,381 (281)
Some of the next articles are maybe not open access.
Phenology of Entomophilous Flowers
Ecology, 1924The statements made here are based upon observations, from i884 to 19I3, of 470 indigenous and 54 introduced entomophilous flowers. Twentythree more native and seven introduced species, with an average of five days, are excluded as fragmentary. The time of each flower includes early dates for early seasons and late dates for late seasons, and is ...
openaire +1 more source
A phenological mid-domain effect in flowering diversity
Oecologia, 2004In this paper, we test the mid-domain hypothesis as an explanation for observed patterns of flowering diversity in two sub-alpine communities of insect-pollinated plants. Observed species richness patterns showed an early-season increase in richness, a mid-season peak, and a late-season decrease. We show that a "mid-domain" null model can qualitatively
Manuel A, Morales +2 more
openaire +2 more sources
Flowering phenology as a functional trait in a tallgrass prairie
New Phytologist, 2011• The timing of flowering is a critical component of the ecology of plants and has the potential to structure plant communities. Yet, we know little about how the timing of flowering relates to other functional traits, species abundance, and average environmental conditions. • Here, we assessed first flowering dates (FFDs) in a North American tallgrass
Joseph M, Craine +3 more
openaire +2 more sources
Flowering phenology and compensation for herbivory in Ipomopsis aggregata
Oecologia, 2003The mechanisms and circumstances that affect a plant's ability to tolerate herbivory are subjects of ongoing interest and investigation. Phenological differences, and the timing of flowering with respect to pollinators and pre-dispersal seed predators, may provide one mechanism underlying variable responses of plants to herbivore damage.
Rachael S, Freeman +2 more
openaire +2 more sources
Flower production and phenology in Dactylis glomerata
Aerobiologia, 2015The species Dactylis glomerata is one of the most important sources of airborne grass pollen in the atmosphere of temperate countries. The aim of this study was to determine the relationship between flowers, weather and the contribution of their pollen in the air.
Rafael Tormo-Molina +4 more
openaire +1 more source
Phenological Variation in Flowering and Fruiting of Asclepias
American Midland Naturalist, 1987Phenological studies of flowering and fruiting in experimental plots and in field sites demonstrated variation within and between populations of Asclepias incarnata, A. verticillata and A. syriaca. Flowering of A. incarnata and A. verticillata occurred in July and August, and overlapped at least 30 days. In contrast, A.
openaire +1 more source
Phenology and Control of Flowering in Tropical Trees
Biotropica, 1983Descriptions of structure and flowering phenology of the tropical tree species Cedrela mexicana, Cordia glabra, Erythrina poeppigiana. Tabebuia rosea, and Tabebuia ochrea ssp. neochrysantha are used to analyze and illustrate the complex relations between structure, vegetative development, and flowering in tropical trees.
openaire +1 more source
Effects of Microclimate on Spring Flowering Phenology
Ecology, 1966Sixteen microclimatic stations with differences in slope, exposure, vegetation cover, and seasonal change were established in a heavily dissected 180—acre Indiana tract. Correlations, based on cumulative air temperature duration—summations, were made between microclimatic differences and variation in phenological events.
openaire +1 more source
Flowering Phenology in Relation to Adaptive Radiation
Systematic Botany, 2006The role of flowering phenology in ecological diversification is poorly understood, even though this variable may be an important determinant of fitness. While flowering schedules are readily evolvable, they also seem to be under phylogenetic constraint. I ask whether phenological change is a partner to adaptive radiation.
openaire +1 more source

