Draw labeled diagram of a complete flower.

Flower:

1. The reproductive part of the plant body is a flower.
2. It consists of four whorls.

The four whorls of flower are:

Calyx:

1. Calyx is the outermost whorl of the flower.
2. It is composed of green, leaf-like structures called sepals.

Corolla:

1. Corolla is the second whorl composed of petals.
2. Petals attract insects for pollination.

Androecium:

1. Androecium is the third whorl, it represents the male reproductive part of the flower.
2. It consists of units called stamens.

Gynoecium:

1. Gynoecium is the innermost whorl of the flower.
2. It consists of stigma, style and ovary.