1.Thin cylinder of initials that stretches from roots to stems of perennials, trees and a few herbaceous annuals.
2.produces tissues responsible for growth in girth.
3.produces new rings of growth in woody plants.
Phloem-conducts dissolved sugar material throughout the plant
Xylem-(goes up in the plant)conducts water and dissolves minerals to all plant organs.
Periderm-produced when, in woody plants, the epidermis is sloughed off as the outerbark begins to develop as a plant ages and develop rough bark
Cork cells are "NOT" alive