Table 1.

Physical parameter values taken from the literature. The xylem radii quoted from Zwieniecki et al. (2001) and Malone (1996) are for one-year old ash branches and a tomato petiole, respectively.

Parameter	Units	Value (Reference)
u¯	cm s-1	0.17 (Choi et al., 2016; Evans and Morris, 2017); 0.1 (Choi et al., 2016)
D	cm2 s-1	10-6 (Levich, 1962; Evans and Morris, 2017); 10-5 (Levich, 1962)
σ/C	cm-1	10–4 (Vodeneev et al., 2012); 10–3 (Evans and Morris, 2017)
a	μm	30–60 (Zwieniecki et al., 2001); 12 (Malone, 1996)