1. Irigenin 7-glucoside from orris root, Iris florentina.
2. A resinoid from blue flag, Iris versicolor; used as a cholagogue and cathartic.
The information shown above for iridin 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.