Differentiate between runner and stolon.

Explanation

To differentiate between a runner and a stolon, we can analyze their characteristics based on several criteria. Here’s a step-by-step breakdown:

### Step 1: Definition
- **Runner**: A runner is a sub-aerial stem that grows horizontally along the ground.
- **Stolon**: A stolon is a weak stem that also grows horizontally but is typically above the ground.

**Hint**: Remember that both structures are types of vegetative propagation, but their growth habits differ.

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