Where is ABA found in plants ?

Explanation

### Step-by-Step Solution:

1. **Understanding Abscisic Acid (ABA)**:
- Abscisic acid, commonly referred to as ABA, is a plant hormone that plays a crucial role in various developmental processes in plants, including dormancy and responses to stress.

2. **Function of ABA**:
- One of the primary functions of ABA is to regulate the opening and closing of stomata, which are small openings located on the underside of leaves. Stomata are essential for gas exchange, allowing carbon dioxide to enter the plant and regulating water loss.

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