List two unisexual flowers.

Explanation

To answer the question "List two unisexual flowers," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Unisexual Flowers":**
- Unisexual flowers are those that contain only one type of reproductive organ, either male or female. This means they do not have both male (stamens) and female (pistils) parts.

2. **Identify Characteristics of Unisexual Flowers:**
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