The characteristic inflorescence of family cruciferae is

Options

A. umbel
B. racemose
C. cyamose corymb
D. catkin

Answer

To solve the question regarding the characteristic inflorescence of the family Cruciferae (now known as Brassicaceae), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Family**: The family Cruciferae is also known as Brassicaceae, which includes plants like mustard and cabbage.

2. **Understand the Inflorescence Types**: Inflorescence refers to the arrangement of flowers on a plant. The options given are:
- A. Umbel
- B. Racemos
- C. Cymoscorum
- D. Catkin

3. **Analyze the Characteristics of Brassicaceae**:
- The flowers are bisexual and exhibit actinomorphic (radial) symmetry.
- They have 4 separate sepals and 4 separate petals.
- The stamens are tetradynamous, meaning there are 6 stamens (4 long and 2 short).
- The ovary is superior or hypogynous, and there is a false septum in the gynoecium.

4. **Determine the Type of Inflorescence**:
- In Brassicaceae, the inflorescence is typically of the racemose type, which means that the flowers are arranged along a central stem with the oldest flowers at the bottom and the youngest at the top. This type of growth is indeterminate.

5. **Select the Correct Answer**: Based on the analysis, the characteristic inflorescence of the family Cruciferae is **B. Racemos**.

### Final Answer:
The characteristic inflorescence of the family Cruciferae is **Racemos**.

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