Endangered mutualisms: the conservation of plant-pollinator interactions

CA Kearns, DW Inouye… - Annual review of ecology …, 1998 - annualreviews.org
▪ Abstract The pollination of flowering plants by animals represents a critical ecosystem
service of great value to humanity, both monetary and otherwise. However, the need for …

Pollination syndromes and floral specialization

CB Fenster, WS Armbruster, P Wilson… - Annu. Rev. Ecol …, 2004 - annualreviews.org
▪ Abstract Floral evolution has often been associated with differences in pollination
syndromes. Recently, this conceptual structure has been criticized on the grounds that …

A global test of the pollination syndrome hypothesis

J Ollerton, R Alarcón, NM Waser, MV Price… - Annals of …, 2009 - academic.oup.com
Abstract Background and Aims 'Pollination syndromes' are suites of phenotypic traits
hypothesized to reflect convergent adaptations of flowers for pollination by specific types of …

Why do flowers vary? The functional ecology of variation in flower size and form within natural plant populations

C Galen - Bioscience, 1999 - academic.oup.com
Flowers and the organs that compose them fulfill a number of ecological functions over their
lifetimes he remarkable diversity of flowers has a profound impact on humankind. Flower …

'Anti‐bee' and 'pro‐bird' changes during the evolution of hummingbird pollination in Penstemon flowers

MC Castellanos, P Wilson… - Journal of evolutionary …, 2004 - academic.oup.com
Floral phenotypes may be as much the result of selection for avoidance of some animal
visitors as selection for improving the interaction with better pollinators. When specializing …

Optimality modeling and fitness trade‐offs: when should plants become pollinator specialists?

PA Aigner - Oikos, 2001 - Wiley Online Library
The assumption that flowers readily evolve specializations for pollination by particular
animals has been central to a standard view of pollinator‐mediated adaptive divergence in …

Pollen transfer by hummingbirds and bumblebees, and the divergence of pollination modes in Penstemon

MC Castellanos, P Wilson, JD Thomson - Evolution, 2003 - academic.oup.com
We compared pollen removal and deposition by hummingbirds and bumblebees visiting
bird‐syndrome Penstemon barbatus and bee‐syndrome P. strictus flowers. One model for …

Exploring the 'most effective pollinator principle'with complex flowers: bumblebees and Ipomopsis aggregata

MM Mayfield, NM Waser, MV Price - Annals of Botany, 2001 - Elsevier
The 'most effective pollinator principle'implies that floral characteristics often reflect
adaptation to the pollinator that transfers the most pollen, through a combination of high rate …

Variation in pollinator effectiveness in swamp milkweed, Asclepias incarnata (Apocynaceae)

CT Ivey, P Martinez, R Wyatt - American Journal of Botany, 2003 - Wiley Online Library
The contribution of a pollinator toward plant fitness (ie, its “effectiveness”) can determine its
importance for the plant's evolutionary ecology. We compared pollinators in a population of …

Plant–hummingbird interactions in the West Indies: floral specialisation gradients associated with environment and hummingbird size

B Dalsgaard, AM Martín González, JM Olesen… - Oecologia, 2009 - Springer
Floral phenotype and pollination system of a plant may be influenced by the abiotic
environment and the local pollinator assemblage. This was investigated in seven plant …