After traveling from the roots to stems through the xylem, water enters leaves via petiole (i.e., the leaf stalk) xylem that branches off from that in the stem. Petiole xylem leads into the mid ...

April 29 (Reuters) - Water technology firm Xylem (XYL.N), opens new tab on Tuesday raised its annual revenue forecast, after beating sales estimates for some of its key equipment used for water ...

Save guides, add subjects and pick up where you left off with your BBC account. As water travels through the xylem in the stem and leaf, it is being replaced by water taken up by the roots.

The stem is the transpiration system, carrying water and minerals up from the roots to all the upper regions, called xylem. This vascular system (think the “strings” in a stalk of celery ...

We have looked at seeds and roots of plants, and now we are going to study the stems. Plant stems are defined as the axis, or the ...

Vascular cambium produces xylem (wood) and phloem, and together with the cork cambium, which produces a protective layer at the surface called phellem (cork), they provide thickness to plant organs.

1. The anomalous stem structure of Chenopodium album is produced by a periodically active cambium which forms xylem centripetally throughout its extent and phloem centrifugally in restricted regions.