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Journal of Plant Research

, Volume 126, Issue 1, pp 33–40 | Cite as

The role of a mixed mating system in the reproduction of a Mediterranean subshrub (Fumana hispidula, Cistaceae)

  • Elena CarrióEmail author
  • Jaime Güemes
Regular Paper

Abstract

Knowledge about mixed mating systems can improve our understanding of the evolutionary dynamics of reproductive systems. Here we report a study of the pollination system (floral and reproductive biology, pollen limitation and stigmatic pollen load, floral visitors and inbreeding depression) of Fumana hispidula, a Mediterranean subshrub belonging to a species group with a strong selfing tendency. Autonomous self-pollination, hand self- and hand cross-pollination, open pollination and controls yielded fruits (0.28, 0.65, 0.68, 0.38, and 0.67, respectively); however, autonomous self-pollination resulted in the lowest fruit set. All individuals were fully self-compatible but we found great inter-individual variation in autonomous self-pollination ability, which was probably related to a variable expression of herkogamy degree. Inbreeding depression was low (0.040 for fruit set, 0.015 for seed set and −0.026 for seed mass). The pollen supplementation experiment did not reveal pollen limitation and pollinators were seen visiting the flowers during the observation periods. These results support the idea that F. hispidula has a mixed mating strategy, which represents a successful reproduction mode in their patchy habitats.

Keywords

Autonomous self-pollination Herkogamy Inbreeding depression Outcrossing Pollinator limitation 

Notes

Acknowledgments

The authors wish to thank: R. Herreros and E. Barona for field assistance; S. Montagud and M.A. Marcos for insect identification; and F. Barraclough for reviewing the English version; two anonymous reviewers and the editor for their constructive comments on an earlier draft of this manuscript. This research was supported by the Spanish General Direction of Scientific and Technical Research (DGICYT) through the Project CGL 2006-07368/BOS and CGL 2008-02982-C03-CLI.

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Copyright information

© The Botanical Society of Japan and Springer 2012

Authors and Affiliations

  1. 1.Jardín Botánico de Valencia, Instituto Cavanilles de Biodiversidad y Biología EvolutivaUniversidad de ValenciaValenciaSpain

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