It depends on which spice you are talking about …… Ginger comes from the underground rhizomes of Ziniber officinale. Cinnamon comes from the dried inner bark of Cinnamomum zeylanicum. Cloves comes from the sun dried flower buds of Eugenia caryophyllata. Cayenne pepper comes from the ground up seed pods of Capsicum frutescens. Nutmeg comes from the kernels of the fruit of Myristica fragrans.