Tetradynamous stamens are found in

Options

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

Answer

To solve the question about where tetradynamous stamens are found, we can follow these steps:

### Step 1: Understand the term "tetradynamous stamens"
- Tetradynamous stamens refer to a specific arrangement of stamens in flowers where there are six stamens in total. These stamens are arranged in two whorls: four are longer (inner whorl) and two are shorter (outer whorl).

### Step 2: Identify the families of plants mentioned
- The options provided are:
a. Cruciferae
b. Malvaceae
c. Solanaceae
d. Liliaceae

### Step 3: Recall the characteristics of the families
- **Cruciferae (Brassicaceae)**: Known for having tetradynamous stamens.
- **Malvaceae**: Typically has a different arrangement of stamens.
- **Solanaceae**: Also does not exhibit tetradynamous stamens.
- **Liliaceae**: Generally has a different structure of stamens.

### Step 4: Confirm the correct family
- The family that is known for having tetradynamous stamens is **Cruciferae (Brassicaceae)**. This family includes plants like mustard, which exhibit this unique arrangement of stamens.

### Conclusion
- Therefore, the correct answer is **option A: Cruciferae**.

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