Table 2. Mean ± se for the physiological and anatomical traits measured for Arabidopsis (Col-0).

K_max, Maximum leaf hydraulic conductance; %R_ox, percentage resistance outside the leaf xylem; P₅₀, P₈₈, and P₉₅, Ψ_leaf at 50%, 88%, and 95% decline in a given trait. %Rleaf, percentage leaf hydraulic resistance; Kt, theoretical hydraulic conductance.

Trait	Units	Col-0
Hydraulics and gas exchange
Kmax	mmol m−2 s−1 MPa−1	59.9 ± 1.76
Kleaf0.1-0.2MPa	mmol m−2 s−1 MPa−1	33.1 ± 4.55
Kx	mmol m−2 s−1 MPa−1	138.4 ± 14.5
Kox	mmol m−2 s−1 MPa−1	106
%Rox	%	54.4
%Rleaf	%	85.7
gs	mmol m−2 s−1	339 ± 24.9
Amax	μmol m−2 s−1	14.4 ± 2.72
Kleaf P50	MPa	−0.17
gs P50	MPa	−0.38
Aarea P50	MPa	−0.37
Kleaf P88	MPa	−0.72
gs P95	MPa	−0.71
Aarea P95	MPa	−0.71
Drought tolerance traits
Turgor loss point	MPa	−0.73
Osmotic potential at full turgor	MPa	−0.63
Modulus of elasticity	MPa	5.70
Relative water content at the turgor loss point	%	84.1
Leaf mass per unit of leaf area	g m−2	13.6 ± 0.89
Percentage loss of area in a dry leaf	%	57.9 ± 3.05
gmin	mmol m−2 s−1	18.6 ± 1.33
Leaf anatomical traits
Distance from vein to lower epidermis	mm	0.067 ± 0.002
Total vein length per area	mm mm−2	3.04 ± 0.08
Minor vein length per area	mm mm−2	1.79 ± 0.08
Major vein length per area	mm mm−2	1.25 ± 0.05
Kt, midrib per leaf area	mmol m−1 s−1 MPa−1	0.27 ± 0.12
Kt, minor per leaf area	mmol m−1 s−1 MPa−1	0.003 ± 0.0008