One such wonderful plant is onion.
Onion is one of the oldest cultivated herbs.
It has been cultivated since ancient time in the Middle East and India. Its area of cultivation includes India, Malaysia, Indonesia, Burma, The Philippines, China, Egypt, west and east Africa, Tropical south and Central America and the Caribbean. According to Hakeem Hashmi, a well-respected unani physician and researcher, onion has been used as a herbal remedy from time immemorial. In ancient Egypt, physicians prescribed onions in various diseases. Discoredes in the first century A.D, prescribed onion is an herbal remedy.