The descendants of wild cabbage are cabbage, cauliflower, broccoli, kohlrabi, red cabbage and kale.

These vegetables are evolved from the same ancestor, i.e., wild cabbage by artificial selection.

Cabbage was developed by shortening the distance between the leaves.

Cauliflower was developed by producing sterile flowers.

Broccoli was developed by arresting the flower production.

Kohlrabi was developed by producing swollen stem.

The red cabbage was developed by shortening the distance between the leaves in a plant with the purple leaves.

Kale was developed by producing plant with broad leaves.