what is coriander

Coriander, also known as cilantro, is an annual herb in the family Apiaceae. The plant's leaves and stem are called cilantro, while its dried seeds are called coriander. In the US, cilantro refers to the leaves and stem, while coriander refers to the dried seeds. Internationally, the leaves and stems are called cilantro, and the seeds are called coriander. The fresh leaves and the dried seeds are the parts most traditionally used in cooking