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Two leaves, varying ambient temperature: effect on leaf (a) temperature T, (b) saturation s, (c) water vapour concentration C and (d) total transpiration rate Etot at steady state, after introduction to T = T∞ environment. Simulations shown for compact (COMP), hyponastic elongated (HEL) and very hyponastic elongated (VHEL) plants. Values shown are for centre of upper leaf, both with (dotted line with circles) and without (solid line) vapour flux from the soil surface.
