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Within-individual phenotypic plasticity in flowers fosters pollination niche shift
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Within-individual phenotypic plasticity in flowers fosters pollination niche shift
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Journal Article
Within-individual phenotypic plasticity in flowers fosters pollination niche shift
2020
Overview
Phenotypic plasticity, the ability of a genotype of producing different phenotypes when exposed to different environments, may impact ecological interactions. We study here how within-individual plasticity in
Moricandia arvensis
flowers modifies its pollination niche. During spring, this plant produces large, cross-shaped, UV-reflecting lilac flowers attracting mostly long-tongued large bees. However, unlike most co-occurring species,
M. arvensis
keeps flowering during the hot, dry summer due to its plasticity in key vegetative traits. Changes in temperature and photoperiod in summer trigger changes in gene expression and the production of small, rounded, UV-absorbing white flowers that attract a different assemblage of generalist pollinators. This shift in pollination niche potentially allows successful reproduction in harsh conditions, facilitating
M. arvensis
to face anthropogenic perturbations and climate change.
Floral phenotypes impact interactions between plants and pollinators. Here, the authors show that
Moricandia arvensis
displays discrete seasonal plasticity in floral phenotype, with large, lilac flowers attracting long-tongued bees in spring and small, rounded, white flowers attracting generalist pollinators in summer.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
