Supporting Information:
Table 1 . Fit results for the exponential models relating changes in mass and water potential to time used to estimate FWU parameters.
Table 2 . ANOVA results for the treatment and leaf water potential effects on stomatal conductance.
Table 3 . ANOVA results for the treatment effect on stomatal aperture.
Table 4 . ANOVA results for the treatment effect on FWU via the adaxial surface of P. dulcis leaves.
Table 5 . ANOVA results for the cuticle thickness variation across epidermal regions.
Figure 1 . Relationships between stomatal conductance and maximum flux and stomatal aperture, and between maximum surface hydraulic conductance and stomatal conductance.