Basil, Thai Basil, or Sweet Basil, is a common name for the culinary herb Ocimum basilicum
Basil, is best known as a culinary herb prominently featured in Italian cuisine, and also plays a major role in Southeast Asian cuisines of Indonesia, Thailand, Vietnam, Cambodia, Laos, and the cuisine of Taiwan.
Depending on the species and cultivar, the leaves may taste somewhat like anise, with a strong, pungent, often sweet smell.
The type used in Italian food is typically called sweet basil, as opposed to Thai basil (O. basilicum var. thyrsiflora) & lemon basil (O. X citriodorum)(Ocimum, which are used in Asia.
Basil is originally native to India and other tropical regions of Asia, having been cultivated there for more than 5,000 years