Edible Portion:Leaves, Seeds - spice, Flowers, Seeds - oil, Vegetable An erect herb. It re-grows each year. It grows from 30 cm to 2 m tall. The stems are square. Plants can be green or purple.The leaf stalk is 3-5 cm long. The leaves are oval and 4.5-10 cm long by 2.8-10 cm wide. They are...