The presence of casparian strips is a characteristic feature of ......

Explanation

### Step-by-Step Solution:

1. **Understanding Casparian Strips**:
- Casparian strips are bands of cell wall material that are found in the endodermis of plant roots. They are composed of suberin, a waxy substance that makes the cell walls impermeable to water and solutes.

2. **Location of Casparian Strips**:
- These strips are specifically located around the four sides of the endodermal cells. The endodermis is the innermost layer of the cortex in plant roots.

...