Holy basil - Ocimum tenuiflorum

Holy basil is a plant originated from India and is used in mainly Ayurvedic medicine. It is considered a sacred plant by the Hindus and is often planted around Hindu shrines. It comes in red and green varieties, both with a strong, pleasant aroma The Hindu name for holy basil, Tulsi, means "the incomparable one." 

Medicine is made from the leaves, stems, and seeds. holy basil has been used for centuries to treat a variety of medical conditions including cold, influenza, flu, diabetes, asthma, bronchitis, earache, headache, stomach upset, heart disease, fever, viral hepatitis, malaria, and so on

In cooking, holy basil is often added to stir-fry dishes and spicy soups because of its peppery taste. Cookbooks sometimes call it "hot basil."