Coriander - Cilantro
Herb you can find in many cuisines worldwide. People usually love the taste of the leaves or hate. Except the leaves you can use the seeds as such or as a powder.
The leaves are called cilantro too and are used for instance as a part of a side salad to various kinds of soups and main dishes in Vietnam. In India they use both. The leaves are added into dishes just before the end of cooking, the powder is used pretty often in the same dishes like leaves. In Sri Lanka they usually use whole seeds into curries.