منابع مشابه
Correlated evolution in fig pollination.
This is the first comparative study of correlated evolution between figs (Ficus species, Moraceae) and their pollinators (Hymenoptera: Agaoninae) based on molecular phylogenies of both lineages. Fig relationships based on the internal transcribed spacer region (ITS) of nuclear ribosomal DNA and pollinator relationships inferred from mitochondrial cytochrome oxidase I (COI) sequences enabled the...
متن کاملPollination efficiency and the evolution of specialized deceptive pollination systems.
The ultimate causes of evolution of highly specialized pollination systems are little understood. We investigated the relationship between specialization and pollination efficiency, defined as the proportion of pollinated flowers relative to those that experienced pollen removal, using orchids with different pollination strategies as a model system. Rewarding orchids showed the highest pollinat...
متن کاملThe evolution of wind pollination in angiosperms
Theresa M. Culley* Stephen G. Weller Ann K. Sakai Dept of Ecology and Evolutionary Biology, University of California–Irvine, Irvine, CA 92697, USA. *e-mail: [email protected] Although much emphasis has been placed on specialist pollination systems, attention is shifting towards systems in which plants are visited by a variety of pollinators [1,2]. Until recently, examples of generalist pollinatio...
متن کاملReconstructing the phylogeny of figs (Ficus, Moraceae) to reveal the history of the fig pollination mutualism
Figs (Ficus, Moraceae) constitute one of the largest genera of flowering plants with ca. 750 species worldwide. While the extraordinary mutualism between figs and their pollinating wasps has received attention for decades, we are only just beginning to reconstruct the phylogeny of both partners, a necessary framework for addressing a variety of questions concerning the evolution of mutualism. H...
متن کاملMechanisms and evolution of deceptive pollination in orchids.
The orchid family is renowned for its enormous diversity of pollination mechanisms and unusually high occurrence of non-rewarding flowers compared to other plant families. The mechanisms of deception in orchids include generalized food deception, food-deceptive floral mimicry, brood-site imitation, shelter imitation, pseudoantagonism, rendezvous attraction and sexual deception. Generalized food...
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ژورنال
عنوان ژورنال: Systematic Biology
سال: 2004
ISSN: 1076-836X,1063-5157
DOI: 10.1080/10635150490265012