Alder buckthorn american

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 29.10.2020

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buckthorn; Casacara bark from the Spanish "cascara sagrada" = holy bark; Frangula; Rhamnus purshiana

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The black alder is native to western North America, southern Canada and central California. The plant grows as a shrub or small tree and reaches growth heights of 1.5 - 3 m to a maximum of 6 m. Typical for the tree is the rotten smell of the bark (naming), Rhamnus purshiana shoots 0.7-0.8 cm large, red to black-violet stone fruits.
The bark of the tree can be used to dye wool, cotton or silk.

Medicinal uses
:Rhamnus purshiana is the parent plant of Rhamni purshianae cortex , the official extract of the bark of the decaying tree (Commission E monograph), which is used in various applications, especially for constipation.

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  1. Stott C et al (2012) Randomized controlled trial of laxative use in postcolostomy surgery patients. J Wound Ostomy Continence Nurs 39:524-528.

Incoming links (1)

Alder buckthorn fine-leaved;

Outgoing links (1)

Rhamni purshinae cortex;