| cascara | <chemical> Derived from the dried bark of Rhamnus purshiana (family Rhamnaceae) and used as a laxative. (27 Sep 1997) |
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| cascara amara | The dried bark of a species of Picramnia (family Simarubaceae); used as a bitter tonic. Synonym: Honduras bark. (05 Mar 2000) |
| cascara sagrada | The dried bark of Rhamnus purshiana (family Rhamnaceae); used as a laxative. Synonym: cascara. (05 Mar 2000) |