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Plants

Rumex dentatus

an annual or biennial member of the Rumex genus in the family Polygonaceae.

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Taxonomy and growth

Genus
Rumex
Life cycle
annual, biennial
Fertility
Wind
Flower type
hermaphrodite
Pollinators
Wind

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.

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[6].

Edible uses

This section contains historical Plants For A Future notes marked noncommercial.

Tender young leaves - cooked as a vegetable[8].

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.

The root is used as an astringent application in the treatment of cutaneous disorders[7].

Product or use
Astringent

Material uses

This section contains historical Plants For A Future notes marked noncommercial.

Although no specific mention has been made for this species, dark green to brown and dark grey dyes can be obtained from the roots of many species in this genus, They do not need a mordant[2].

Product or use
Dye

Environment

Range
S. Europe to E. Asia and Africa. An uncommon casual in Britain[3].
Habitat
Deep situations, 1700 - 2200 metres in Kashmir[1].
Light
full sun
Shade tolerance
light shade
Water
moderate
Soil textures
sandy, loamy, clay
Soil pH
acid, neutral, 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 a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

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[4]. Closely related to R. pulcher[5].

References

  1. Singh. Dr. G. and Kachroo. Prof. Dr. P. Forest Flora of Srinagar. Bishen Singh Mahendra Pal Singh 1976-00-00

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  2. Grae. I. Nature's Colors - Dyes from Plants. MacMillan Publishing Co. New York. 1974-00-00 ISBN 0-02-544950-8

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  3. Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press 1962-00-00

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  4. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

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  5. Livingstone. B. Flora of Canada National Museums of Canada 1978-00-00 ISBN 0-660-00025-3

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  6. Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995-00-00 ISBN 0-7513-020-31

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  7. Chopra. R. N., Nayar. S. L. and Chopra. I. C. Glossary of Indian Medicinal Plants (Including the Supplement). Council of Scientific and Industrial Research, New Delhi. 1986-00-00

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  8. Manandhar. N. P. Plants and People of Nepal Timber Press. Oregon. 2002-00-00 ISBN 0-88192-527-6

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