Origin of phloem
Examples from the Web for phloem
These concentric rings of secondary xylem and phloem (fig. 9) afford a characteristic cycadean feature.
The browning in the vascular bundles appeared to be confined to the phloem tissue.
The phloem, when strongly magnified, is seen to be made up of cells arranged in nearly regular radiating rows.
Just inside of the bundle sheath there is a row of similar fibres marking the outer limit of the phloem (ph.).
The central tissue (x) is called the woody tissue (xylem); the outer, the bast (phloem).