Rumex aquaticus

From Permawiki
Jump to navigation Jump to search
Rumex aquaticus
Light:Full Sun Part Shade
Moisture:Hydric
Soil pH:5.6-8.4
Height:6'
Blooms:Mid Summer-Late Summer
Native to:
Edible Rating:PFAF Edibility Rating
Medicinal Rating:PFAF Medicinal Rating
Tea:Yes
Poisonous

Rumex aquaticus (common name: red dock)

Propagation: Seed - sow spring or autumn in situ.

Division in spring.

Cultivation: A plant of shallow water[1].

Range: Europe, including Britain but absent from Italy and the Balkans, to N. Asia.

Habitat: Shallow water at the margins of swamps[1]. Fields, meadows and ditches[2].

Edibility: Leaves - cooked[3].

Medicinal: The root is alterative, astringent, cholagogue, deobstruent, depurative, detergent, laxative and mildly tonic[4]. It can cause or relieve diarrhoea according to the dose, harvest time and relative concentrations of tannin(astringent) and anthraquinones (laxative) that are present[5]. It is used internally in the treatment of piles, bleeding of the lungs, various blood complaints and also chronic skin diseases[2][4]. Externally, it is applied to various skin diseases, ulcers etc[2].

The root has been used with positive effect to restrain the inroads made by cancer, being used as an alterative and tonic[2]. The root is harvested in early spring and dried for later use[2]. Some caution is advised in its use since excess doses can cause gastric disturbance, nausea and dermatitis[5][4].

Usage: 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[6].

The dried and powdered root has a cleansing and detergent affect on the teeth[2].

Pollinators: Wind

Soil: Can grow in light, medium, and heavy soils.

Flower Type: Hermaphrodite

Known Hazards: 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-

Links

References

  1. 1.0 1.1 Clapham, Arthur and Tom Tootin, Edmund Warburg. Flora of the British Isles. Cambridge University Press, 1962.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 Grieve, Margaret. A Modern Herbal. Penguin, 1984.
  3. Tanaka, Tyōzaburō. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing, 1976.
  4. 4.0 4.1 4.2 Bown, Deni. Royal Horticultural Society Encyclopaedia of Herbs and Their Uses. Dorling Kindersley, 1995.
  5. 5.0 5.1 Foster, Steven and Billy Tatum. Medicinal Plants of Eastern and Central North America. Houghton Mifflin, 1990.
  6. Grae, Ida. Nature's Colors. MacMillan Publishing, 1974.