Pollination success across an elevation and sex ratio gradient in gynodioecious Daphne laureola

American Journal of Botany

Volumn 92, Issue 8, 2005, Pages 1264-1269

  Alonso, Conchita ^a  

^a DEPARTMENT OF CONSERVATION BIOLOGY   (Spain)

Author keywords

Altitudinal gradients; Daphne laureola; Fruit set; Gynodioecy; Pollen competition; Pollen limitation; Pollen tube numbers; Sex ratio

Indexed keywords

GYNODIOECY; POLLINATION; SEX RATIO;

DAPHNE; DAPHNE LAUREOLA;

EID: 23044451323     PISSN: 00029122     EISSN: None     Source Type: Journal    
DOI: 10.3732/ajb.92.8.1264     Document Type: Article

References (38)

1. ALONSO, C. 2004. Early blooming challenges: extended flowering season, diverse pollinator assemblage, and the reproductive success of gynodioecious Daphne laureola. Annals of Botany 93: 61-66.
2. ALONSO, C., AND C. M. HERRERA. 2001. Neither vegetative nor reproductive advantages account for high frequency of male-steriles in southern Spanish gynodioecious Daphne laureola. American Journal of Botany 88: 1016-1024.
3. ARMBRUSTER, W. S., AND D. G. ROGERS. 2004. Does pollen competition reduce the cost of inbreeding? American Journal of Botany 91: 1939-1943.
4. ASHMAN, T.-L. 1999. Determinants of sex allocation in a gynodioecious wild strawberry: implications for the evolution of dioecy and sexual dimorphism. Journal of Evolutionary Biology 12: 648-661.
5. ASHMAN, T.-L. 2000. Pollinator selectivity and its implications for the evolution of dioecy and sexual dimorphism. Ecology 81: 2577-2591.
6. ASHMAN, T.-L., AND C. DIEFENDERFER. 2001. Sex ratio represents a unique context for selection on attractive traits: consequences for the evolution of sexual dimorphism. American Naturalist 157: 334-347.
7. ASIKAINEN, E., AND P. MUTIKAINEN. 2003. Female frequency and relative fitness of females and hermaphrodites in gynodioecious Geranium sylvaticum (Geraniaceae). American Journal of Botany 90: 226-234.
8. BAILEY, M. F., L. F. DELPH, AND C. M. LIVELY. 2003. Modeling gynodioecy: novel scenarios for maintaining polymorphism. American Naturalist 161: 762-776.
9. BARRETT, S. C. H., M. E. DORKEN, AND A. L. CASE. 2001. A geographical context for the evolution of plant reproductive systems. In J. Silvertown and J. Antonovics [eds.], Integrating ecology and evolution in a spatial context, 341-364. Blackwell, Berlin, Germany.
10. BELHASSEN, E., L. TRABAUD, D. COUVET, AND P. H. GOUYON. 1989. An example of nonoequilibrium processes: gynodioecy of Thymus vulgaris L. in burned habitats. Evolution 43: 662-667.
11. CAMPBELL, D. R., AND K. J. HALAMA. 1993. Resource and pollen limitations to lifetime seed production in a natural plant population. Ecology 74: 1043-1051.
12. CANE, J. H., AND D. SCHIFFHAUER. 2003. Dose-response relationships between pollination and fruit refine pollination comparisons for cranberry (Vaccinium macrocarpon [Ericaceae]). American Journal of Botany 90: 1425-1432.
13. CHARLESWORTH, B., AND D. CHARLESWORTH. 1978. A model for the evolution of dioecy and gynodioecy. American Naturalist 112: 975-997.
14. COUVET, D., F. BONNEMAISON, AND P.-H. GOUYON. 1986. The maintenance of females among hermaphrodites: the importance of nuclear-cytoplasmic interactions. Heredity 57: 325-330.
15. DE HAAN, A. A., R. M. J. M. LUYTEN, T. J. M. T. BAKX-SCHOTMAN, AND J. M. M. VAN DAMME. 1997. The dynamics of gynodioecy in Plantago lanceolata L. I. Frequencies of male-steriles and their cytoplasmic male sterility types. Heredity 79: 453-462.
16. DELPH, L. F. 1990. Sex-ratio variation in the gynodioecious shrub Hebe strictissima (Scrophulariaceae). Evolution 44: 134-142.
17. DELPH, L. F., AND S. B. CARROLL. 2001. Factors affecting relative seed fitness and female frequency in a gynodioecious species, Silene acaulis. Evolutionary Ecology Research 3: 487-505.
18. ECKHART, V. M. 1992a. Resource compensation and the evolution of gynodioecy in Phacelia linearis (Hydrophyllaceae). Evolution 46: 1313-1328.
19. ECKHART, V. M. 1992b. Spatio-temporal variation in abundance and variation in foraging behavior of the pollinators of gynodioecious Phacelia linearis (Hydrophyllaceae). Oikos 64: 573-586.
20. ENGEL, E. C., AND R. E. IRWIN. 2003. Linking pollinator visitation rate and pollen receipt. American Journal of Botany 90: 1612-1618.
21. ERBAR, C. 2003. Pollen tube transmitting tissue: place of competition of male gametophytes. International Journal of Plant Sciences 164: S265-S277.
22. GOUYON, P. H., AND D. COUVET. 1987. A conflict between two sexes, females and hermaphrodites. In S. C. Stearns [ed.], The evolution of sex and its consequences, 245-261. Birkhäuser Verlag, Basel, Switzerland.
23. GRAFF, A. 1999. Population structure and reproductive fitness in gynodioecious Sidalcea malviflora malviflora (Malvaceae). Evolution 53: 1714-1722.
24. HERRERA, C. M. 1988. Variation in mutualism: the spatio-temporal mosaic of a pollinator assemblage. Biological Journal of the Linnean Society 35: 95-125.
25. HERRERA, C. M. 2002. Censusing natural microgametophyte populations: variable spatial mosaics and extreme fin-graininess in winter-flowering Helleborus foetidus (Ranunculaceae). American Journal of Botany 89: 1570-1578.
26. HERRERA, C. M. 2004. Distribution ecology of pollen tubes: fine-grained, labile spatial mosaics in southern Spanish Lamiaceae. New Phytologist 161: 473-484.
27. JACOBS, M. S., AND M. J. WADE. 2003. A synthetic review of the theory of gynodioecy. American Naturalist 161: 837-851.
28. LEWIS, D. 1941. Male sterility in natural populations of hermaphrodite plants. New Phytologist 40: 56-63.
29. LITTELL, R. C., G. A. MILLIKEN, W. W. STROUP, AND R. D. WOLFINGER. 1996. SAS system for mixed models. SAS Institute, Cary, North Carolina, USA.
30. MCCAULEY, D. E., AND D. R. TAYLOR. 1997. Local population structure and sex ratio: evolution in gynodioecious plants. American Naturalist 150: 406-419.
31. MEDRANO, M., C. ALONSO, AND C. M. HERRERA. 2005. Mating system, sex ratio, and persistence of females in the gynodioecious shrub Daphne laureola L. (Thymelaeaceae). Heredity 94: 37-43.
32. MITCHELL, R. J. 1997. Effects of pollination intensity on Lesquerella fendleri seed set: variation among plants. Oecologia 109: 382-388.
33. NÉMETH, M. B., AND N. L. SMITH-HUERTA. 2003. Pollen deposition, pollen tube growth, seed production, and seedling performance in natural populations of Clarkia unguiculata (Onagraceae). International Journal of Plant Sciences 164: 153-164.
34. SAS INSTITUTE. 1996. SAS/STAT software: changes and enhancements through Release 6.11. SAS Institute. Cary, North Carolina, USA.
35. SHYKOFF, J. A., S. KOLOKOTRONIS, C. L. COLLIN, AND M. LÓPEZ-VILLAVICENCIO. 2003. Effects of male sterility on reproductive traits in gynodioecious plants: a meta-analysis. Oecologia 135: 1-9.
36. TOTLAND, Ø. 2001. Environment-dependent pollen limitation and selection on floral traits in an alpine species. Ecology 82: 2233-2244.
37. UTELLI, A.-B., AND B. A. ROY. 2000. Pollinator abundance and behavior on Aconitum lycoctonum (Ranunculaceae): an analysis of the quantity and quality components of pollination. Oikos 89: 461-470.
38. WEBB, C. J. 1999. Empirical studies: evolution and maintenance of dimorphic breeding systems. In M. A. Geber, T. E. Dawson, and L. F. Delph [eds.], Gender and sexual dimorphism in flowering plants, 61-95. Springer, Berlin, Germany.