Ammi visnaga
Visnaga
an annual or biennial member of the Ammi genus in the family Umbelliferae.
Taxonomy and growth
- Family
- Umbelliferae
- Genus
- Ammi
- Life cycle
- annual, biennial
- Height
- 0.75 m
- Spread
- 0.4 m
- Fertility
- Self fertile, Insects
- Flower type
- hermaphrodite
- Pollinators
- Insects
Uses
Toxicity
Toxicity warning. The historical record reports a hazard for this plant. Do not use it to decide which parts are safe to eat or use medicinally.
This section contains historical Plants For A Future notes marked noncommercial.
Skin contact with the sap is said to cause photo-sensitivity and/or dermatitis in some people[5].
Edible uses
This section contains historical Plants For A Future notes marked noncommercial.
Leaves - raw[3]. Chewed for their pleasant aromatic flavour[4].
- Plant part
- Leaves
Medicinal uses
Historical medicinal uses. These records describe reported uses. They do not establish safety or effectiveness. Ask a qualified health professional before using any plant medicinally.
This section contains historical Plants For A Future notes marked noncommercial.
Visnaga is an effective muscle relaxant and has been used for centuries to alleviate the excruciating pain of kidney stones[7]. Modern research has confirmed the validity of this traditional use[7]. Visnagin contains khellin, from which particularly safe pharmaceutical drugs for the treatment of asthma have been made[7]. The seeds are diuretic and lithontripic[8]. They contain a fatty oil that includes the substance 'khellin'. This has been shown to be of benefit in the treatment of asthma[6]. Taken internally, the seeds have a strongly antispasmodic action on the smaller bronchial muscles[7], they also dilate the bronchial, urinary and blood vessels without affecting blood pressure[6]. The affect last for about 6 hours and the plant has practically no side effects[7]. The seeds are used in the treatment of asthma, angina, coronary arteriosclerosis and kidney stones[6]. By relaxing the muscles of the urethra, visnaga reduces the pain caused by trapped kidney stones and helps ease the stone down into the bladder[7]. The seeds are harvested in late summer before they have fully ripened and are dried for later use[7].
- Product or use
- Antiasthmatic
- Product or use
- Diuretic
- Product or use
- Lithontripic
- Product or use
- Vasodilator
Material uses
This section contains historical Plants For A Future notes marked noncommercial.
The fruiting pedicel is used as a toothpick[8][10][2] whilst the seeds have been used as a tooth cleaner[7].
- Product or use
- Dental care
Environment
- Range
- C. Europe to W. Asia and N. Africa.
- Habitat
- Fields and sandy places[1].
- Light
- full sun
- Shade tolerance
- light shade
- Water
- moderate
- Soil textures
- sandy, loamy, clay
- Soil pH
- acid, neutral, alkaline, very alkaline
- Drainage
- well drained
- Tolerates Nutritionally Poor Soil
- No
- Drought
- intolerant
Propagation
This section contains historical Plants For A Future notes marked noncommercial.
Seed - sow spring in situ.
Cultivation
This section contains historical Plants For A Future notes marked noncommercial.
Prefers a well-drained soil in a sunny position[6], succeeding in ordinary garden soil. Tolerates a pH in the range 6.8 to 8.3. This species is not fully winter-hardy in the colder areas of Britain, though it should be possible to grow it as a spring-sown annual[6]. This plant is sold as toothpicks in Egyptian markets[8].
References
Polunin. O. Flowers of Europe - A Field Guide. Oxford University Press 1969-00-00 ISBN 0192176218
Chakravarty. H. L. The Plant Wealth of Iraq.
Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books 1984-00-00 ISBN 3874292169
Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications 1990-00-00 ISBN 0-9628087-0-9
Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985-00-00 ISBN 0-917256-20-4
Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995-00-00 ISBN 0-7513-020-31
Chevallier. A. The Encyclopedia of Medicinal Plants Dorling Kindersley. London 1996-00-00 ISBN 9-780751-303148
Uphof. J. C. Th. Dictionary of Economic Plants. Weinheim 1959-00-00
? Flora Europaea Cambridge University Press 1964-00-00
Usher. G. A Dictionary of Plants Used by Man. Constable 1974-00-00 ISBN 0094579202