Fig. 6

Comparison of multiple comparisons of quantitative parameters of epidermal cells in pink- and white-flowered P. sibirica. The comparison of the upper epidermal cell thickness of the two samples (a), the comparison of the upper epidermal cell width of the two samples (b), the comparison of the upper epidermal cell thickness and width ratio of the two samples (c), the comparison of the upper epidermal cell angle of the two samples (d), the comparison of the upper epidermal cell area of the two samples (e), and the comparison of the upper epidermal cell number of the two samples (f).