Unifoliate compound leaf is found in:

Options

A. Citrus
B. Lathyrus aphaca
C. Asparagus
D. Parkinsonia

Explanation

To determine where unifoliate compound leaves are found, follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Unifoliate"**:
- The term "unifoliate" means having a single leaflet. The prefix "uni-" indicates one, and "foliate" refers to leaves or leaflets.

2. **Identify the Type of Leaf**:
- Unifoliate leaves are a specific type of compound leaf. In this case, it means that there is only one leaflet attached to the petiole (the stalk that attaches the leaf to the stem).

3. **Know the Examples of Plants with Unifoliate Leaves**:
- Common examples of plants that exhibit unifoliate compound leaves include citrus plants. Specifically, plants like orange (Citrus sinensis) and lemon (Citrus limon) are known to have unifoliate leaves.

4. **Evaluate the Options Given**:
- If the question provides multiple-choice options, look for the option that mentions citrus plants. Since we know that unifoliate leaves are found in citrus, we can conclude that the correct answer is related to citrus.

5. **Select the Correct Answer**:
- Based on the information, the correct answer is the option that states "citrus," which includes plants like orange and lemon.

### Final Answer:
- The unifoliate compound leaf is found in **citrus plants** (e.g., orange and lemon).

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