Pepper peduncle The peduncle on the pepper is called pepper peduncle. Pepper stalk is a slender fibrous part of pepper, which is located at the top of pepper and usually consists of tough plant fibers that go deep into pepper. When making Sichuan-style pot-stewed dishes, the aroma and taste of pepper can be extracted from pepper stalks and added to the pot-stewed sauce together with other spices to provide a unique flavor for pot-stewed dishes.