Reproductive ecology of the carnivorous plant Pinguicula moranensis (Lentibulariaceae)

Reproductive ecology of the carnivorous plant Pinguicula moranensis (Lentibulariaceae) The interaction of plants with pollinators can be a determinant of their reproductive fitness. However, information about the pollination biology of carnivorous plants is scarce. To increase knowledge of reproductive ecology of carnivorous plants we focused on Pinguicula moranensis. Specifically, based on the presence of large, zygomorphic and spurred flowers, we predicted higher reproductive fitness in cross‐pollinated than in self‐pollinated flowers. Within a plot of 51 m2 we characterised the reproductive phenology, including flower lifespan and stigmatic receptivity. We identified pollinators and their movement patterns within the plot. Breeding system was experimentally evaluated using hand‐pollination (i.e. autonomous, self‐ and cross‐pollination). Flowers of P. moranensis were visited by long‐tongued pollinators, mainly members of the Lepidoptera. Hand‐pollination experiments confirmed our prediction and suggest that flower traits might favour cross‐pollination. We mainly discuss the implications of the patchy distribution of plants and behaviour of pollinators on gene movement in this plant species, as pollination between genetically related individuals could be occurring. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Biology Wiley

Reproductive ecology of the carnivorous plant Pinguicula moranensis (Lentibulariaceae)

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Publisher
Wiley
Copyright
© 2018 German Botanical Society and Royal Botanical Society of the Netherlands
ISSN
1435-8603
eISSN
1438-8677
D.O.I.
10.1111/plb.12652
Publisher site
See Article on Publisher Site

Abstract

The interaction of plants with pollinators can be a determinant of their reproductive fitness. However, information about the pollination biology of carnivorous plants is scarce. To increase knowledge of reproductive ecology of carnivorous plants we focused on Pinguicula moranensis. Specifically, based on the presence of large, zygomorphic and spurred flowers, we predicted higher reproductive fitness in cross‐pollinated than in self‐pollinated flowers. Within a plot of 51 m2 we characterised the reproductive phenology, including flower lifespan and stigmatic receptivity. We identified pollinators and their movement patterns within the plot. Breeding system was experimentally evaluated using hand‐pollination (i.e. autonomous, self‐ and cross‐pollination). Flowers of P. moranensis were visited by long‐tongued pollinators, mainly members of the Lepidoptera. Hand‐pollination experiments confirmed our prediction and suggest that flower traits might favour cross‐pollination. We mainly discuss the implications of the patchy distribution of plants and behaviour of pollinators on gene movement in this plant species, as pollination between genetically related individuals could be occurring.

Journal

Plant BiologyWiley

Published: Jan 1, 2018

Keywords: ; ; ; ;

References

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