Research Highlights | Published:

Botany

Bellows blow plant pollen

Nature volume 511, page 129 (10 July 2014) | Download Citation

Subjects

Plants in Ecuador and Costa Rica have evolved a remarkable 'bellows' system for blowing pollen onto feeding birds.

Image: Curr. Biol./Dellinger et al.

Agnes Dellinger and Jürg Schönenberger at the University of Vienna and their colleagues found that the flowers of the tropical genus Axinaea contain stamens with bulbous appendages. When these are grabbed and squeezed in the beaks of passerine birds, a blast of air from the cavity-filled appendages fires a jet of pollen onto the birds' heads and beaks.

The stamens provide a highly sugar-rich food for the birds, rather than the nectar or pollen reward that is more usually offered by flowers. The researchers did not observe insects foraging on the Axinaea flowers (pictured), but multiple bird species were seen feeding on them, suggesting that these stamens are a novel pollinator-activated pollen delivery system.

Curr. Biol. http://doi.org/thv (2014)

About this article

Publication history

Published

DOI

https://doi.org/10.1038/511129e

Authors

    Comments

    By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.

    Newsletter Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing