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Dioscorea villosa Wild yam (1 Page of 5) The Dioscorea villosa plant species is found in Eastern N. America - New England to Minnesota and Ontario, south to Virginia and Texas. It is a member of the Dioscoreaceae family. Common gardeners may know the plant as Wild yam. Cultivation | Propagation | General Uses Medicinal | Edible Uses Latin Name: Dioscorea villosa Common Name: Wild yam Family: Dioscoreaceae Author: L. Known Hazards: Edible species of Dioscorea have opposite leaves whilst poisonous species have alternate leaves[174]. Use of the fresh plant can cause vomiting and other side effects[222]. Mature Height: 3 Mature Width: Habitat: Wet woods and swamps, thickets and hedges[43, 165].
Medicinal Information: Wild yam roots, and the roots of many other members of the genus, contains diosgenin[222]. This is widely used in modern medicine in order to manufacture progesterone and other steroid drugs. These are used as contraceptives and in the treatment of various disorders of the genitary organs as well as in a host of other diseases such as asthma and arthritis[222, 254].
The roots are antiinflammatory, antispasmodic, cholagogue, diaphoretic and vasodilator[165, 238]. They are also a visceral relaxant[165]. This plant affords one of the best and fastest cures for bilious colic, it is especially helpful in treating the nausea of pregnant women[4] and has been used to ease the pain of childbirth[257]. It is also taken internally in the treatment of arthritis, irritable bowel syndrome, gastritis, gall bladder complaints, painful menstruation etc[238]. The root is harvested in the autumn and dried for later use[238]. The root should not be stored for longer than 1 year, since it is likely to lose its medicinal virtues[4]. Caution is advised in the use of the this plant, when taken fresh it can cause vomiting and other side effects[222].
The root, harvested in September, is used to make a homeopathic remedy[232]. Its main use is in the treatment of infant colic[232].
For further Dioscorea villosa gardening information click on one of the blue links below Cultivation | Propagation | General Uses Medicinal | Edible Uses
The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'. View their bibliography

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