Scientific Name: Rhamnus purshiana
The dried bark of cascara has been used for centuries as an herbal laxative first by Native Americans in the Pacific Northwest, and then later by European/U.S. colonizers.
Cascara Buckthorn
College of Pharmacy
Avedisian Hall
7 Greenhouse Road,
Kingston, RI 02881
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pharmcol@etal.uri.edu
p: 401.874.2761 | f: 401.874.2181
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