Sage, like many other herbs, originates from the mint family. It comes from an evergreen shrub native to Albania that is now widely grown in the United States. It has long grayish green leaves that take on a cottony velvet-like texture when rubbed.
When substituting crumbled sage for rubbed you should use twice as much. The crumbled leaves can be rolled to crack them and release flavor. Use crumbled sage with pork, chicken, seafood and vegetables. This is one of the main ingredients in chicken or veal Saltimbocca