Fig. 7
The mean trajectory of floral-morph variation during 50 generations under deterministic and stochastic iterations with (a, b) equal and (c, d) differential male fertility among morphs, based on data for Pontederia parviflora. The mean trajectory was obtained from 1 000 simulated populations and the initial genotype composition of each population was a sample of 100, 500, and 1000 individuals of an isoplethic population. Here, we portray the results for a population of 500 plants only, the observed median population size for the 71 sampled populations in this study. Results for 100 and 1000 individuals gave the same overall patterns. Light gray, gray and dark gray denote the L-, M- and S-morph, respectively, and the shaded areas are the standard deviation of the mean
