Parsley (Petroselinum crispum)'s a bright green, biennial herb, also used as spice. It's very common in Middle Eastern, European, and American cooking. Parsley's used for its leaf in much the same way as coriander (which's also known as Chinese parsley or cilantro), although it's a milder flavor than coriander. Varieties Two forms of parsley are used as herbs: curly leaf and Italian, or flat leaf (P. neapolitanum). Curly leaf parsley's often used as a garnish. One of the compounds of the esse… (More on Parsley)