Differentiate between Rhizome and bulb

Explanation

### Step-by-Step Solution:

1. **Definition**:
- **Rhizome**: A rhizome is a thick, horizontal underground stem that serves as a storage organ and a means of vegetative reproduction.
- **Bulb**: A bulb is a modified underground stem that is typically rounded and consists of a short stem surrounded by fleshy leaves that store nutrients.

2. **Structure**:
- **Rhizome**: The structure of a rhizome is irregular and flattened, allowing it to spread horizontally beneath the soil.
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