Temperature-dependent floral longevity in two Helleborus species

Plant Systematics and Evolution

Volumn 252, Issue 1-2, 2005, Pages 63-70

  Vesprini, J L ^a   Pacini, E ^b  

^a UNIVERSIDAD NACIONAL DE ROSARIO   (Argentina)

^b UNIVERSITY OF SIENA   (Italy)

Author keywords

Female receptivity; Floral longevity; Helleborus; Insect pollination; Pollen presentation

Indexed keywords

HELLEBORUS; HELLEBORUS BOCCONEI; HELLEBORUS FOETIDUS; INSECTA; VERATRUM;

EID: 18444368734     PISSN: 03782697     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00606-004-0261-9     Document Type: Article

References (25)

1. Arroyo M. T. K., Armesto J., Primack R. (1985) Community studies in pollination ecology in the high temperate Andes of central Chile II. Effect of temperature on visitation rates and pollination possibilities. Plant Syst. Evol. 149: 187-203.
2. Ashman T. L., Schoen D. (1994) How long should flowers live? Nature 371: 788-791.
3. Ashman T. L., Schoen D. (1996) Floral longevity: fitness consequences and resource costs. In: Lloyd D., Barret S. (eds.) Floral biology, studies on floral evolution in animal-pollinated plants. Chapman & Hall, New York, USA, pp. 113-139.
4. Bertin R. I., Newman C. M. (1993) Dichogamy in angiosperms. Bot. Rev. 59: 112-152.
5. Billings W. D. (1974) Arctic and alpine vegetation: plant adaptations to cold summer climates. In Ives J. D., Barry R. G. (eds.) Arctic and alpine environments. Methuen, London, UK.
6. Dafni A. (1992) Pollination ecology. A practical approach. Oxford University Press, N.Y, USA.
7. Dymes T. A. (1916) The seed-mass and the dispersal of Helleborus foetidus. J. Linn. Soc. 43: 433-455.
8. Endress P. K. (1994) Diversity and evolutionary biology of tropical flowers. University Press, Cambridge, UK.
9. Guitian J., Medrano M., Herrera C. M., Sanchez-Lafuente A. (2003) Variation in structural gender in the hermaphrodite Helleborus foetidus (Ranunculaceae): within- and among- population patterns. Plant Syst. Evol. 241: 139-151.
10. Heinrich B. (1974) Thermoregulation in endothermic insects. Science 185: 747-756.
11. Henslow G. (1888) The origin of floral structures through insects and other agencies. Kegan, Paul and Trench. London, UK.
12. Herrera C. M., Soriguer R. (1983) Inter and intrafloral heterogeneity of nectar production in Helleborus foetidus L. (Ranunculaceae). Bot. J. Linn. Soc. 86: 253-260.
13. Herrera C. M., Sanchez-Lafuente A., Medrano M., Guitian J., Cerda X., Rey P. (2001) Geographical variation in autonomous self-pollination levels unrelated to pollinator service in Helleorus foetidus (Ranunculaceae). Amer. J. Bot. 88(6): 1025-1032.
14. Herrera C. M. (2002) Censusing natural microgametophyte populations: variable spatial mosaics and extreme fine-graininess in winter-flowering Helleborus foetidus (Ranunculaceae). Amer. J. Bot. 89(10): 1570-1578.
15. Herrera C. M., Cerda X., Garcia M., Guitian J., Medrano M., Rey P., Sanchez-Lafuente A. (2002) Floral integration, phenotypic covariance structure and pollinator variation in bumblebee-pollinated Helleborus foetidus. J. Evol. Biol. 15:108-121.
16. Heslop-Harrison J., Heslop-Harrison Y., Shivanna K. R. (1984) The evaluation of pollen quality and a further appraisal of the fluorochromatic (FCR) test procedure. Theor. Appl. Genet. 67: 367-375.
17. Kerner von Marilaun A. (1895) The natural history of plants, their forms, growth, reproduction and distribution. Henry Holt, New York, USA.
18. Martin F. W. (1959) Staining and observing pollen tubes by means of fluorescence. Stain Techn. 34: 125-128.
19. Pacini E., Nepi M., Vesprini J. L. (2003) Nectary biodiversity: a short review. Plant Syst. Evol. 238: 7-21.
20. Primack R. (1985) Longevity of individual flowers. Annual Rev. Ecol. Syst. 16: 15-37.
21. Renner S. S. (1989) A survey of reproductive biology in neotropical Melastomataceae and Memecylaceae. Ann. Missouri Bot. Gard. 76: 496-518.
22. Stratton D. A. (1989) Longevity of individual flowers in a Costa Rican cloud forest: ecological correlates and phylogenetic constraints. Biotropica 21: 308-318.
23. Vesprini J. L., Nepi M., Pacini E. (1999) Nectary structure, nectar secretion patterns and nectar composition in two Helleborus species. Plant Biol. 1 (5): 560-568.
24. Vesprini J. L., Pacini E. (2000) Breeding systems in two species of the genus Helleborus. Plant Biosys. 134 (2): 193-197.
25. Vespriniy J. L., Nepi M., Cresti L., Guarnieri M., Pacini E. (2002) Changes in cytoplasmic carbohydrate content during Helleborus pollen presentation. Grana 41 (1): 16-20.