Lianas are vascular plants rooted in the ground and maintain erectness of their stem by making use of other trees for support. They do not maintain direct relation with those trees. Discuss the type of association the lianas have with the trees.

Explanation

To answer the question regarding the type of association that lianas have with trees, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Lianas**:
- Lianas are vascular plants that are rooted in the ground. They have long, woody stems that climb up other trees to reach sunlight.

2. **Support Mechanism**:
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