It's a native to Southeast Asia and its flavour is described as anise and licorice like and slightly spicy. Thai basil has small, narrow leaves and purple stems.
Thai Basil have antioxidants, anti-cancer, anti-viral, anti-bacterial and anti-fungal properties. This Basil is typically used for garnishing in salads or cocktails to add a tinch of sweetness. It also provides an aromatic value in desserts served hot.