Plants can contain quite high levels of oxalic acid, which is what gives the leaves of many members of this genus an acid-lemon flavour. Perfectly alright in small quantities, the leaves should not be eaten in large amounts since the oxalic acid can lock-up other nutrients in the food, especially calcium, thus causing mineral deficiencies. The oxalic acid content will be reduced if the plant is cooked. People with a tendency to rheumatism, arthritis, gout, kidney stones or hyperacidity should take especial caution if including this plant in their diet since it can aggravate their condition
A yellow dye is obtained from the root
. The roots are peeled, broken into sections about 25mm long, then spread out thinly in a sunny position until very dry. They are then soaked in water for a few days before being boiled in the same water for a long time. Alum is then added to fix the colour
. A red dye is obtained if ashes are added and it turns black if the bark of Cornus stolonifera is also added
The root is astringent, blood purifier and tonic
. A decoction has been used in the treatment of diarrhoea, coughs and colds, influenza, pneumonia, stomach aches, kidney disorders, gall bladder problems, venereal disease and rheumatism
. An infusion has been given to women to help them expel the afterbirth
. The root can be dried, ground into a powder and used as a dressing on burns, wounds, sores etc
. A poultice can also be made from the fresh root for use on burns, wounds, sores, swellings etc
An infusion of the stems and leaves has been used as a wash on sores
Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.
Division in spring.
Practical Plants is currently lacking information on propagation instructions of Rumex venosus. Help us fill in the blanks! Edit this page to add your knowledge.
Succeeds in most soils but prefers a deep fertile moderately heavy soil that is humus-rich, moisture-retentive but well-drained and a position in full-sun or part shade
Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Rumex venosus. Do you know of an interaction that should be listed here? edit this page to add it.
Polycultures & Guilds
There are no polycultures listed which include Rumex venosus.
This table shows all the data stored for this plant.
Material uses & Functions
Native Climate Zones
Adapted Climate Zones
Native Geographical Range
Root Zone Tendancy
? Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)
? 2.02.12.2 Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing (1976-00-00)
? 3.03.13.2 Yanovsky. E. Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture. ()
? 4.04.14.2 Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books ISBN 3874292169 (1984-00-00)
? 5.005.015.025.035.045.055.065.075.085.095.10 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
? 6.06.16.26.36.46.5 Coffey. T. The History and Folklore of North American Wild Flowers. Facts on File. ISBN 0-8160-2624-6 (1993-00-00)
? 7.07.1 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
? Fernald. M. L. Gray's Manual of Botany. American Book Co. (1950-00-00)
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