Unisexual Flowers
Unisexual flowers are those that possess either male or female reproductive organs, but not both on the same flower.
Examples:
- Papaya: Papaya plants have separate male and female flowers on different plants. Male flowers have stamens but lack ovaries, while female flowers have ovaries but lack stamens.
- Watermelon: Watermelon plants also have separate male and female flowers. Male flowers contain stamens, while female flowers have pistils.

Bisexual Flowers
Bisexual flowers, also known as perfect flowers, possess both male and female reproductive organs in the same flower.
Examples:
- Rose: Roses are bisexual flowers as they contain both stamens (male reproductive organ) and pistils (female reproductive organ) in the same flower.
- Sunflower: Sunflowers are another example of bisexual flowers, as they have both male and female reproductive organs in their flowers.
In conclusion, unisexual flowers have either male or female reproductive organs, whereas bisexual flowers have both male and female reproductive organs in the same flower.

Maths sums