Jalap
Parts Usually Used
Root
Description of Plant(s) and Culture
Jalap is an annual, herbaceous vine; the tuberous root produces several brownish, twining stems which bear petioled, cordate leaves with a soft point. The purple flowers have a long, funnel-shaped corolla. Other varieties: Wild jalap (I. pandurata) used as purgative like I. jalapa.
Where Found
Found in one area of Mexico near Xalapa.
Medicinal Properties
Cathartic, narcotic, emetic, vermifuge
Biochemical Information
Pharbitin, rhamnose, angelic acid, pelargonic and cyanin
Uses
Historically, herbalists used jalap as a purgative to address constipation and to produce rapid evacuation of the bowels. Traditional practitioners also administered it for intestinal parasites.
Warning
An overdose can cause serious internal effects as well as purging and vomiting.
Bibliography
The Herb Book , by John Lust, Bantam Books, 666 Fifth Avenue, New York, NY. copyright 1974. Eastern/Central Medicinal Plants , by Steven Foster and James A. , Lotus Press, PO Box 325, Twin Lakes. , 15 Columbus Circle, New York, NY 10023 An Instant Guide to Medicinal Plants , by Pamela Forey and Ruth Lindsay, Crescent Books (January 27, 1992).