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Uses

Toxic parts

Although no specific mention has been made for this species, there have been reports that some members of this genus can cause photosensitivity in susceptible people. Many species also contain oxalic acid (the distinctive lemony flavour of sorrel) - whilst not toxic this substance can bind up other minerals making them unavailable to the body and leading to mineral deficiency. Having said that, a number of common foods such as sorrel and rhubarb contain oxalic acid and the leaves of most members of this genus are nutritious and beneficial to eat in moderate quantities. Cooking the leaves will reduce their content of oxalic acid. 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[1].

Edible uses

Notes

Leaves and young shoots - raw or cooked[2][3][4][5]. They contain about 1.9% fat, 5.4% pectin, 3.2% sugars, 27.6% cellulose, 1% tannin[6]. Seed - raw or cooked. It is rather small and fiddly to utilize.

Leaves

Material uses

A yellow dye is obtained from the plant when alum is used as a mordant[7].

Unknown part

Dye

Medicinal uses(Warning!)

The leaves are astringent, diuretic, rubefacient and vermifuge[8][9][10][6][11]. An infusion has been used as a treatment for gravel and stomach pains[12]. A decoction of the plant, mixed with flour, has been used as a poultice to help relieve pain[12]. A decoction of the plant has been used as a foot and leg soak in the treatment of rheumatism[12]. The crushed leaves have been rubbed on poison ivy rash[12].

Ecology

Ecosystem niche/layer

Ecological Functions

Nothing listed.

Forage

Nothing listed.

Shelter

Nothing listed.

Propagation

Seed - sow spring in situ.

Practical Plants is currently lacking information on propagation instructions of Polygonum persicaria. Help us fill in the blanks! Edit this page to add your knowledge.



Cultivation

Succeeds in an ordinary garden soil[13] but prefers a moisture retentive not too fertile soil in sun or part shade[14]. Repays generous treatment[13]. Plants seem to be immune to the predations of rabbits[15].

Crops

Problems, pests & diseases

Associations & Interactions

There are no interactions listed for Polygonum persicaria. 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 Polygonum persicaria.

Descendants

Cultivars

Varieties

None listed.

Subspecies

None listed.

Full Data

This table shows all the data stored for this plant.

Taxonomy
Binomial name
Polygonum persicaria
Genus
Polygonum
Family
Polygonaceae
Imported References
Edible uses
Medicinal uses
Material uses & Functions
Botanic
Propagation
Cultivation
Environment
Cultivation
Uses
Edible uses
None listed.
Material uses
None listed.
Medicinal uses
None listed.
Functions & Nature
Functions
Provides forage for
Provides shelter for
Environment
Hardiness Zone
5
Heat Zone
?
Water
moderate
Sun
full sun
Shade
light shade
Soil PH
Soil Texture
Soil Water Retention
Environmental Tolerances
    Ecosystems
    Native Climate Zones
    None listed.
    Adapted Climate Zones
    None listed.
    Native Geographical Range
    None listed.
    Native Environment
    None listed.
    Ecosystem Niche
    None listed.
    Root Zone Tendancy
    None listed.
    Life
    Deciduous or Evergreen
    ?
    Herbaceous or Woody
    ?
    Life Cycle
    Growth Rate
    ?
    Mature Size
    Fertility
    Pollinators
    Flower Colour
    ?
    Flower Type











    References

    1. ? Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)
    2. ? 2.02.1 Harris. B. C. Eat the Weeds. Pivot Health (1973-00-00)
    3. ? 3.03.1 Elias. T. and Dykeman. P. A Field Guide to N. American Edible Wild Plants. Van Nostrand Reinhold ISBN 0442222009 (1982-00-00)
    4. ? 4.04.1 Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing (1976-00-00)
    5. ? 5.05.1 Facciola. S. Cornucopia - A Source Book of Edible Plants. Kampong Publications ISBN 0-9628087-0-9 (1990-00-00)
    6. ? 6.06.16.26.3 Stuart. Rev. G. A. Chinese Materia Medica. Taipei. Southern Materials Centre ()
    7. ? 7.07.1 Coffey. T. The History and Folklore of North American Wild Flowers. Facts on File. ISBN 0-8160-2624-6 (1993-00-00)
    8. ? 8.08.1 Launert. E. Edible and Medicinal Plants. Hamlyn ISBN 0-600-37216-2 (1981-00-00)
    9. ? 9.09.1 Lust. J. The Herb Book. Bantam books ISBN 0-553-23827-2 (1983-00-00)
    10. ? 10.010.1 De. Bray. L. The Wild Garden. ()
    11. ? 11.011.1 Foster. S. & Duke. J. A. A Field Guide to Medicinal Plants. Eastern and Central N. America. Houghton Mifflin Co. ISBN 0395467225 (1990-00-00)
    12. ? 12.012.112.212.312.4 Moerman. D. Native American Ethnobotany Timber Press. Oregon. ISBN 0-88192-453-9 (1998-00-00)
    13. ? 13.013.1 F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press (1951-00-00)
    14. ? Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
    15. ? Thomas. G. S. Perennial Garden Plants J. M. Dent & Sons, London. ISBN 0 460 86048 8 (1990-00-00)
    16. ? Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press (1962-00-00)

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    Facts about "Polygonum persicaria"RDF feed
    Article is incompleteYes +
    Article requires citationsNo +
    Article requires cleanupYes +
    Belongs to familyPolygonaceae +
    Belongs to genusPolygonum +
    Has binomial namePolygonum persicaria +
    Has common nameRed Leg +
    Has drought toleranceIntolerant +
    Has edible partLeaves + and Seed +
    Has edible useUnknown use +
    Has fertility typeSelf fertile + and Self +
    Has flowers of typeHermaphrodite +
    Has hardiness zone5 +
    Has lifecycle typeAnnual +
    Has material partUnknown part +
    Has material useDye +
    Has mature height0.6 +
    Has medicinal partUnknown part +
    Has medicinal useAstringent +, Diuretic +, Lithontripic +, Poultice +, Rubefacient + and Vermifuge +
    Has search namepolygonum persicaria + and red leg +
    Has shade toleranceLight shade +
    Has soil ph preferenceAcid +, Neutral + and Alkaline +
    Has soil texture preferenceSandy +, Loamy + and Clay +
    Has sun preferenceFull sun +
    Has taxonomic rankSpecies +
    Has taxonomy namePolygonum persicaria +
    Has water requirementsmoderate +
    Is taxonomy typeSpecies +
    PFAF cultivation notes migratedNo +
    PFAF edible use notes migratedNo +
    PFAF material use notes migratedNo +
    PFAF medicinal use notes migratedNo +
    PFAF propagation notes migratedNo +
    PFAF toxicity notes migratedNo +
    Tolerates nutritionally poor soilNo +
    Uses mature size measurement unitMeters +
    Has subobjectThis property is a special property in this wiki.Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria +, Polygonum persicaria + and Polygonum persicaria +