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.