Explain the following terms:

1. Incomplete flower
2. Staminate flower
3. Pistillate flower
4. Bisexual flower

1. Incomplete flower — A flower is said to be an incomplete flower if one or more sets of floral whorls are missing. E.g. American Elm.

2. Staminate flower — A unisexual flower which contains only the stamens is called the male or staminate flower. E.g. Eastern Cottonwood.

3. Pistillate flower — A flower which contains only the carpels is called the female or pistillate flower. E.g. Date Palm.

4. Bisexual flower — A flower which contains both stamens and carpels is called a bisexual or hermaphrodite flower. E.g. Rose.