Xylem Sap

Some articles on sap, xylem, xylem sap:

Root Pressure
... within the cells of a root system that causes sap to rise through a plant stem to the leaves ... Root pressure occurs in the xylem of some vascular plants when the soil moisture level is high either at night or when transpiration is low during the day ... When transpiration is high, xylem sap is usually under tension, rather than under pressure, due to transpirational pull ...
Plant Sap
... Sap is a fluid transported in xylem cells (tracheids or vessel elements) or phloem sieve tube elements of a plant ... The xylem cells transport water and nutrients throughout the plant ... Xylem sap consists primarily of water, with hormones, mineral elements and other nutrients dissolved in it ...

Famous quotes containing the word sap:

    They felt the rush of the sap in the spring, they knew the wave which cannot halt, but every year throws forward the seed to begetting, and, falling back, leaves the unborn on the earth. They knew the intercourse between heaven and earth.
    —D.H. (David Herbert)