When stomata are open, water evaporates from mesophyll cell walls and diffuses down a water potential gradient out of the leaf's air spaces, a process that constitutes the transpiration stream.
<div>- when stomata are open - water diffuses down wp gradient out of air spaces into air - water lost by diffusion replaced - by evaporation of water from mesopyll cell walls</div>
| Front | How does water evaporate out of stomata? (transpiration stream) |
|---|---|
| Back | - when stomata are open - water diffuses down wp gradient out of air spaces into air - water lost by diffusion replaced - by evaporation of water from mesopyll cell walls |
Tags: plant_transport
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