Tetradyanamous conditions occurs in :-
(a) Cruciferae
(b) Malvaceae
(c) Solanaceae
(d) Lilliaceae

Options

A. Cruciferae
B. Malvaceae
C. Solanaceae
D. Lilliacease

Answer

To determine which plant family exhibits the tetradynamous condition, we can analyze each option provided in the question step by step.

### Step-by-Step Solution:

1. **Understanding Tetradynamous Condition**:
- Tetradynamous condition refers to the presence of six stamens in a flower, where four stamens are long and two are short. This arrangement is typically represented as 4 + 2.

2. **Analyzing Option (a) Cruciferae**:
- The family Cruciferae, also known as Brassicaceae, is known for its tetradynamous condition. It has six stamens arranged in the 4 + 2 configuration.
- **Conclusion**: This option is correct.

3. **Analyzing Option (b) Malvaceae**:
- The Malvaceae family generally has numerous stamens, which are not specifically arranged in a tetradynamous pattern. They do not fit the 4 + 2 arrangement.
- **Conclusion**: This option is incorrect.

4. **Analyzing Option (c) Solanaceae**:
- The Solanaceae family typically has five stamens, which are not arranged in a tetradynamous condition. They do not exhibit the 4 + 2 arrangement.
- **Conclusion**: This option is incorrect.

5. **Analyzing Option (d) Liliaceae**:
- The Liliaceae family may have six stamens, but they are generally arranged in a 3 + 3 configuration, which does not conform to the tetradynamous condition.
- **Conclusion**: This option is incorrect.

### Final Answer:
The tetradynamous condition occurs in **(a) Cruciferae**.

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