Differentiate between stolon and sucker.

Explanation

### Step-by-Step Solution:

1. **Definition of Stolon**: A stolon is a horizontal stem that grows along the ground. It typically remains close to the soil surface and does not rise above it.

**Hint**: Think of a stolon as a "runner" that spreads out horizontally.

2. **Definition of Sucker**: A sucker is an upright shoot that arises from the base of a plant or from its roots. It grows vertically above the ground.

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