Figure 3. Mean midday foliage phaseic acid (PA) levels (A and D),
foliage abscisic acid (ABA) levels (B and E) and leaf water potential (C
and F) in plants of the angiosperm species Umbellularia
californica (A-C) and conifer species Callitris rhomboidea (D-F)
that were rewatered from a drought-stressed state (denoted by dashed
vertical lines) (n= 5, ±SE).