Sentences with phrase «xylem columns»

Not exact matches

(Remember, the xylem is a continuous water column that extends from the leaf to the roots.)

As the cladoxylopsids grew, these columns of xylem split themselves apart — most likely to supply water to the expanding plant.

Samuelson et al. -LRB-[2004]-RRB- showed a lag effect in the response of foliage to large changes in precipitation by correlating current growth of loblolly pine (Pinus taeda) with the previous year's LAI, and Sperry et al. -LRB-[2002]-RRB- explained how combinations of soil texture and xylem can impose «hydraulic limits» on the ability of the foliage to maintain adequate pressure potentials to support a continuous water column.