Table of Contents 
ISRN Ecology
Volume 2013, Article ID 476862, 6 pages
http://dx.doi.org/10.1155/2013/476862
Research Article

Dominant Occurrence of Cleistogamous Flowers of Lamium amplexicaule in relation to the Nearby Presence of an Alien Congener L. purpureum (Lamiaceae)

Yasuhiro Sato,1,2 Koh-Ichi Takakura,3 Sachiko Nishida,4 and Takayoshi Nishida1,5

1Laboratory of Insect Ecology, Graduate School of Agriculture, Kyoto University, Kitashirakawa, Kyoto 606-8502, Japan
2Center for Ecological Research, Kyoto University, Shiga, Otsu 520-2113, Japan
3Osaka City Institute of Public Health and Environmental Sciences, 8-34 Tojo-cho, Tennoji-ku, Osaka 543-0026, Japan
4The Nagoya University Museum, Furo-cho, Nagoya 464-8601, Japan
5Department of Ecosystem Studies, School of Environmental Science, The University of Shiga Prefecture, Hikone 522-8533, Japan

Received 21 March 2013; Accepted 15 April 2013

Academic Editors: P. Ferrandis and P. Rey

Copyright © 2013 Yasuhiro Sato et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. T. M. Culley and M. R. Klooster, “The cleistogamous breeding system: a review of its frequency, evolution, and ecology in angiosperms,” Botanical Review, vol. 73, no. 1, pp. 1–30, 2007. View at Publisher · View at Google Scholar · View at Scopus
  2. E. M. Lord, “Cleistogamy: a tool for the study of floral morphogenesis, function and evolution,” The Botanical Review, vol. 47, no. 4, pp. 421–449, 1981. View at Publisher · View at Google Scholar · View at Scopus
  3. D. J. Schoen and D. G. Lloyd, “The selection of cleistogamy and heteromorphic diaspores,” Biological Journal of the Linnean Society, vol. 23, no. 4, pp. 303–322, 1984. View at Google Scholar · View at Scopus
  4. H. Berg and P. Redbo-Torstensson, “Cleistogamy as a bet-hedging strategy in Oxalis acetosella, a perennial herb,” Journal of Ecology, vol. 86, no. 3, pp. 491–500, 1998. View at Publisher · View at Google Scholar · View at Scopus
  5. C. G. Oakley, K. S. Moriuchi, and A. A. Winn, “The maintenance of outcrossing in predominantly selfing species: ideas and evidence from cleistogamous species,” Annual Review of Ecology, Evolution, and Systematics, vol. 38, pp. 437–457, 2007. View at Publisher · View at Google Scholar · View at Scopus
  6. J. Forrest and J. D. Thomson, “Pollen limitation and cleistogamy in subalpine Viola praemorsa,” Botany, vol. 86, no. 5, pp. 511–519, 2008. View at Publisher · View at Google Scholar · View at Scopus
  7. D. W. Schemske, “Evolution of reproductive characteristics in Impatiens (Balsaminaceae): the significance of cleistogamy and chasmogamy,” Ecology, vol. 59, no. 3, pp. 596–613, 1978. View at Google Scholar
  8. E. Joseph Trapp and S. D. Hendrix, “Consequences of a mixed reproductive system in the hog peanut, Amphicarpaea bracteata, (Fabaceae),” Oecologia, vol. 75, no. 2, pp. 285–290, 1988. View at Publisher · View at Google Scholar · View at Scopus
  9. A. Diaz and M. R. Macnair, “The effect of plant size on the expression of cleistogamy in Mimulus nasutus,” Functional Ecology, vol. 12, no. 1, pp. 92–98, 1998. View at Publisher · View at Google Scholar · View at Scopus
  10. D. A. Levin, “Reproductive character displacement in Phlox,” Evolution, vol. 39, no. 6, pp. 1275–1281, 1985. View at Google Scholar
  11. J. L. Randall and K. W. Hilu, “Interference through improper pollen transfer in mixed stands of Impatiens capensis and I. pallida (Balsaminaceae),” American Journal of Botany, vol. 77, no. 7, pp. 939–944, 1990. View at Google Scholar
  12. L. Fishman and R. Wyatt, “Pollinator-mediated competition, reproductive character displacement, and the evolution of selfing in Arenaria uniflora (Caryophyllaceae),” Evolution, vol. 53, no. 6, pp. 1723–1733, 1999. View at Google Scholar · View at Scopus
  13. B. J. Brown and R. J. Mitchell, “Competition for pollination: effects of pollen of an invasive plant on seed set of a native congener,” Oecologia, vol. 129, no. 1, pp. 43–49, 2001. View at Publisher · View at Google Scholar · View at Scopus
  14. T. Matsumoto, K. I. Takakura, and T. Nishida, “Alien pollen grains interfere with the reproductive success of native congener,” Biological Invasions, vol. 12, no. 6, pp. 1617–1626, 2010. View at Publisher · View at Google Scholar · View at Scopus
  15. E. Kuno, “Competitive exclusion through reproductive interference,” Researches on Population Ecology, vol. 34, no. 2, pp. 275–284, 1992. View at Publisher · View at Google Scholar · View at Scopus
  16. J. Gröning and A. Hochkirch, “Reproductive interference between animal species,” Quarterly Review of Biology, vol. 83, no. 3, pp. 257–282, 2008. View at Google Scholar
  17. E. M. Lord, “Effect of daylength on open flower production in the cleistogamous species Lamium amplexicaule L.,” Annals of Botany, vol. 49, no. 2, pp. 261–263, 1982. View at Google Scholar · View at Scopus
  18. E. M. Lord, “Floral morphogenesis in Lamium amplexicaule L ( Labiatae) with a model for the evolution of the cleistogamous flower,” Botanical Gazette, vol. 143, no. 1, pp. 63–72, 1982. View at Google Scholar · View at Scopus
  19. G. Murata and T. Yamazaki, “Lamium,” in Flora of Japan, K. Iwatsuki, T. Yamazaki, D. E. Boufford, and H. Ohba, Eds., vol. 3, pp. 294–296, Kodansha Scientific, Tokyo, Japan, 1993. View at Google Scholar
  20. T. Shimizu, Naturalized Plants of Japan, Heibonsha, Tokyo, Japan, 2003.
  21. P. Bernström, “Cleisto- and chasmogamic seed setting in di- and tetraploid Lamium amplexicaule,” Hereditas, vol. 36, no. 4, pp. 492–506, 1950. View at Google Scholar
  22. B. M. Bolker, M. E. Brooks, C. J. Clark et al., “Generalized linear mixed models: a practical guide for ecology and evolution,” Trends in Ecology and Evolution, vol. 24, no. 3, pp. 127–135, 2009. View at Publisher · View at Google Scholar · View at Scopus
  23. R Core Team, R: A Language and Environment for Statistical Computing, R Foundation for Statistical Computing, Vienna, Austria, 2012.
  24. H. Berg and P. Redbo-Torstensson, “Offspring performance in three cleistogamous Viola species,” Plant Ecology, vol. 145, no. 1, pp. 49–58, 1999. View at Publisher · View at Google Scholar · View at Scopus
  25. J. A. Steets, R. Salla, and T. L. Ashman, “Herbivory and competition interact to affect reproductive traits and mating system expression in Impatiens capensis,” American Naturalist, vol. 167, no. 4, pp. 591–600, 2006. View at Publisher · View at Google Scholar · View at Scopus
  26. K. I. Takakura and S. Fujii, “Reproductive interference and salinity tolerance differentiate habitat use between two alien cockleburs: Xanthium occidentale and X. italicum (Compositae),” Plant Ecology, vol. 206, no. 2, pp. 309–319, 2009. View at Publisher · View at Google Scholar · View at Scopus