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November 19, 2025American Journal of BotanyOpen Access

Do flowers with specialized morphologies produce more nectar and pollen?

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Authors

TKTamar KeasarLBLevona Bodner

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Overview

Mixed models reveal bilateral symmetry affects nectar in plant species, suggesting distinct pollinator interactions.

Key Points

  • To explore the relationship between flower morphology and the production of nectar and pollen.
  • Compiled a global dataset of 494 plant species examining flower morphology, nectar, and pollen counts.
  • Applied phylogenetically controlled mixed models to evaluate the effects of flower symmetry and tube length.
  • Analyzed a larger dataset of 854 species including those that produce both nectar and pollen.
  • Significant effects of corolla tube length and symmetry on nectar production rates were observed.
  • No significant prediction of pollen production by tube length or symmetry was found.
  • Variation in nectar production was more strongly linked to genus than family, unlike pollen production.

Cite This Study

Keasar et al. (2025) studied this question.

synapsesocial.com/papers/6924fee0c0ce034ddc351418https://doi.org/10.1002/ajb2.70125
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Nectar and floral morphology differ in evolutionary potential in novel pollination environments2024 · 20 citations
  2. 2Genotypic variation in blueberry flower morphology and nectar reward content affects pollinator attraction in a diverse breeding population2024
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  4. 4Species morphology better predicts plant–hummingbird interactions across elevations than nectar traits2024 · 11 citations
  5. 5Evolution of intraspecific floral variation in a generalist–specialist pollination system2024 · 3 citations