When pistillate and besexual flowers develop on defferent plants. The condition is

Options

A. Gynodioecious
B. Gymnomonoecius
C. Polygamodiecius
D. Polygamonoecius

Answer

To solve the question "When pistillate and bisexual flowers develop on different plants, the condition is," we need to analyze the options provided and understand the definitions of each term related to flower types.

### Step-by-Step Solution:

1. **Understanding Flower Types**:
- **Pistillate Flowers**: These are unisexual flowers that contain only female reproductive parts (pistils).
- **Bisexual Flowers**: These flowers contain both male (stamens) and female (pistils) reproductive parts.

2. **Analyzing the Options**:
- **Option A: Gynodioecious**: This term refers to a plant population where both hermaphroditic (bisexual) flowers and pistillate (female) flowers are present, but they are found on different plants. This matches the condition described in the question.
- **Option B: Gynomonaceous**: This term is not commonly used in botanical classification and does not fit the description.
- **Option C: Polygamodiecious**: This term refers to plants that have both unisexual and bisexual flowers on the same plant, which does not match the question.
- **Option D: Polygamous**: This term refers to plants that have both male and female flowers on the same plant, which again does not match the question.

3. **Conclusion**:
- Based on the definitions, the correct answer is **Option A: Gynodioecious**, as it describes the condition where pistillate and bisexual flowers develop on different plants.

### Final Answer:
The condition when pistillate and bisexual flowers develop on different plants is called **Gynodioecious** (Option A).

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