What are the demerits of Artificial systems of classification ?

Explanation

### Step-by-Step Solution

1. **Definition of Artificial Classification**:
- Artificial systems of classification are based primarily on a limited number of observable characteristics, such as vegetative traits and the structure of reproductive organs (androsium).

2. **Limited Character Use**:
- These systems utilize only a few specific traits for classification, which makes them simpler and easier to remember. However, this simplicity comes at a cost.

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