Why is there variation in mean seed size among plants within single populations? Test of the fertilization efficiency hypothesis

American Journal of Botany

Volumn 83, Issue 11, 1996, Pages 1454-1457

  Sakai, Satoki ^a   Sakai, Akiko ^a  

^a TOHOKU UNIVERSITY   (Japan)

Author keywords

attractive structures; cleistogamous flowers; fertilization efficiency hypothesis; inbreeding depression; pollination; seed size variation

Indexed keywords

FERTILIZATION EFFICIENCY HYPOTHESIS; INBREEDING DEPRESSION; POPULATION ECOLOGY; SIZE VARIATION;

BALSAMINACEAE; IMPATIENS NOLI-TANGERE; VIOLA GRYPOCERAS; VIOLACEAE;

EID: 0030301587     PISSN: 00029122     EISSN: None     Source Type: Journal    
DOI: 10.2307/2446100     Document Type: Article

References (19)

1. CAMPBELL, D. R. 1989. Measurements of selection in a hermaphroditic plant: variation in male and female pollination success. Evolution 43, 318-334.
2. GALEN, C., AND M. E. A. NEWPORT. 1987. Bumble bee behavior and selection on flower size in the sky pilot, Polemonium viscosum. Oecologia 74: 20-23.
3. HAIG, D., AND M. WESTOBY. 1988. Inclusive fitness, seed resources, and maternal care. In J. Lovett-Doust, and L. Lovett-Doust [eds.], Plant reproductive ecology: patterns and strategies, 60-79. Oxford University Press, New York, NY.
4. HARDER, L. D. 1988. Choice of individual flowers by bumble bees. interaction of morphology, time and energy. Behaviour 104: 60-77.
5. _, AND J. D. THOMSON. 1989. Evolutionary options for maximizing pollen dispersal of animal-pollinated plants. American Naturalist 133: 323-344.
6. HIRATSUKA, A., AND O. INOUE. 1988. Dispersality of dimorphic seeds in Impatiente noli-tangere (Balsaminaceae). Ecological Review 21: 157-161.
7. JANZEN, D. H. 1977. Variation in seed weight in Costa Rican Cassia grandis (Leguminosae). Tropical Ecology 18. 177-186.
8. LALONDE, R. G. 1991. Optimal offspring provisioning when resources are not predictable. American Naturalist 138: 680-686.
9. MCGINLEY, M. A., AND E. L. CHARNOV. 1988. Multiple resources and the optimal balance between size and number of offspring. Evolutionary Ecology 2: 77-84.
10. _, D. H. TEMME, AND M. A. GEBER. 1987. Parental investment in offspring in variable environments: theoretical and empirical considerations. American Naturalist 130: 370-398.
11. MICHAELS, H. J., B. BENNER, A. P. HARTGERINK, T. D. LEE, AND S. RICE. 1988. Seed size variation: magnitude, distribution, and ecological correlates. Evolutionary Ecology 2: 157-166
12. SAKAI, S. 1995. A model for seed size variation among plants. Evolutionary Ecology 9: 495-507.
13. _. 1996. Using phylogenies to explain seed size variation among plants. Journal of evolutionary Biology. 9: 243-252.
14. _, AND A SAKAI. 1995. Flower size-dependent variation in seed size: theory and a test. American Naturalist 145: 918-934.
15. SMITH, C. C., AND S. D. FRETWELL. 1974. The optimal balance between size and number of offspring. American Naturalist 108: 499-506.
16. THOMSON, J. D. 1986. Pollen transport and deposition by bumble bees in Erythronium: influences of floral nectar and bee grooming. Journal of Ecology 74: 329-341.
17. THOMPSON, J. N. 1984. Variation among individual seed masses in Lomatium grayi (Umbelliferae) under controlled conditions: magnitude and partitioning of the variance. Ecology 62: 626-631.
18. VENABLE, D. L. 1992. Size-number trade-offs and the variation of seed size with plant resource status. American Naturalist 140: 287-304.
19. YOUNG, H. J., AND M. L. STANTON. 1990. Influences of floral variation on pollen removal and seed production in wild radish. Ecology 71: 536-547.