Monothecous anther is found in which family

Options

A. Asteraceae
B. Malvaceae
C. Brassicaceae
D. All of these

Answer

To determine which family contains monothecous anthers, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Monothecous Anther":**
- A monothecous anther is defined as an anther that contains a single theca. The theca is the chamber where pollen grains are produced.

2. **Identify the Characteristics of Monothecous Anthers:**
- Monothecous anthers are typically bisporangiate, meaning they have two pollen sacs. This is important for understanding their classification within plant families.

3. **Review the Options Provided:**
- The options given are:
- Asteraceae
- Malvaceae
- Brassicaceae
- All of these

4. **Analyze Each Family:**
- **Asteraceae:** This family generally has anthers that are not monothecous.
- **Malvaceae:** This family is known to have monothecous anthers.
- **Brassicaceae:** This family typically has different types of anthers, not specifically monothecous.

5. **Conclude the Correct Family:**
- Based on the analysis, the family that contains monothecous anthers is **Malvaceae**.

### Final Answer:
The monothecous anther is found in the family **Malvaceae**.

---