Stem & Root Anatomy - Plant Roots

Stem & Root Anatomy
by Wayne. P. Armstrong
Wayne'e Word

Vascular plants contain two main types of conduction tissue, the xylem and phloem. These two tissues extend from the leaves to the roots, and are vital conduits for water and nutrient transport. In a sense, they are to plants what veins and arteries are to animals. The structure of xylem and phloem tissue depends on whether the plant is a flowering plant (including dicots and monocots) or a gymnosperm (polycots). The terms dicot, monocot and polycot are summarized in the following table.

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