1. The dried bark of Cinnamomum loureirii Nees (family Lauraceae), an aromatic bark used as a spice and, in medicine, as an adjuvant, carminative, and aromatic stomachic.
2. The dried inner bark of the shoots of Cinnamomum zeylanicum.
The information shown above for cinnamon is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.