In plants, the transpiration stream is the uninterrupted stream of water, and other, which is taken up by the roots and, via the xylem vessels, transported to the leaves where it will eventually evaporate into the air/apoplast-interface of the substomatal cavity. It is driven in by capillary action and in some plants root pressure. The main driving factor is the difference in water potential between the soil and the substomatal cavity caused by transpiration.
Read more about Transpiration Stream: Transpiration, Osmosis
Famous quotes containing the word stream:
“The soft engravings which adorn the annuals give no idea of a stream in such a wilderness as this.”
—Henry David Thoreau (1817–1862)