Free stamen of Pisum sativum flower is

Options

A. 1)Anterior
B. 2)Posterior
C. 3) Anterolateral
D. 4) Posteriolateral

Answer

To determine the location of the free stamen in the flower of Pisum sativum (commonly known as pea), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Plant**: Recognize that Pisum sativum refers to the pea plant, which is a member of the family Fabaceae (or Leguminosae).

2. **Understand Flower Characteristics**: The flowers of Pisum sativum are zygomorphic (bilaterally symmetrical), bractate (having bracts), and bisexual (containing both male and female reproductive organs).

3. **Examine Inflorescence**: The inflorescence of Pisum sativum is racemose, meaning it has a flower arrangement where flowers bloom from the top down.

4. **Analyze the Stamens**: In Pisum sativum, there are a total of 10 stamens. These stamens are organized in a specific manner known as diadelphous, where 9 of the stamens are fused together to form a sheath around the pistil.

5. **Identify the Free Stamen**: Among the 10 stamens, one stamen remains free. This free stamen is located at the posterior side of the flower.

6. **Evaluate Options**: Given the options:
- a) Anterior
- b) Posterior
- c) Anterior lateral
- d) Posterior lateral

The correct answer is option b) Posterior, as this is where the free stamen is located.

### Final Answer:
The free stamen of the Pisum sativum flower is located at the **posterior**.

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