Hawaiian
Ethnobotany-Anatomy-4 
Hawaiian
Ethnobotany-Anatomy-4 
Plant Organs
contain Three Tissues
(Epidermis - Vascular - Ground)
Stems & Roots resemble Reinforced Concrete.
The Epidermis is the Mold.
The Vascular Tissues are the Steel Rods.
The Ground Tissues are the Concrete.
Roots
have a Simple Concentric Organization.
A solid Cylinder of Vascular Tissue occupies the center.
The Vascular Cylinder is surrounded by Ground Tissue.
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| Diagram
of Tissue Organization in a Root: The order of tissues is concentric. (Xylem  Phloem
Ground Epidermis). |
Root Organization is well illustrated by 'uki'uki
 Cross section of an 'uki'uki Root: Note the Concentric Tissue Organization with Vascular Tissues at the Center, surrounded by Ground Tissues (Cortex) and the Epidermis. |
 Cross section of an 'uki'uki Root viewed with Polarized Light: Thick Cell Walls are Bright with these optics. |
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