Endodermis 
An inner layer of cells which encloses the vascular bundle in roots and stems, being absent in the latter in woody plants. The Casparian strip is located within the endodermis of roots.
Endodermis
An inner layer of cells which encloses the vascular bundle in roots and stems, being absent in the latter in woody plants. The Casparian strip is located within the endodermis of roots.