It can be poisonous and should be handled with care.
Orris root is the root of a specific type of iris that is dried and ground.
Drying and grinding bearded iris will not result in the same type of compound and is not recommended. Copyright 1995 by the Board of Trustees of the University of Illinois. The information provided is for educational purposes only. References to commercial products or trade names do not constitute an endorsement by the University of Illinois and do not imply discrimination against other similar products.