Polygonum convolvulus

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Polygonum convolvulus
Polygonum convolvulus.jpg
Light:Full Sun Part Shade
Moisture:Mesic
Soil pH:5.6-8.4
Self Pollinated
Height:4'
Blooms:Mid Summer-Mid Fall
Native to:
Edible Rating:PFAF Edibility Rating
Tea:Yes
Poisonous

Polygonum convolvulus (common name: black bindweed) is a fast growing opportunistic climbing annual that produces a small, fiddly seeds that can be ground into a powder and used to make gruel or mixed with cereals.[1] The seed coat should be removed before use as it can cause indigestion.[2] This species contain oxalic acid which is reduced through cooking.[3]

Plant the seeds in situ in spring.

Cultivation: Succeeds in an ordinary garden soil[4] but prefers a moisture retentive not too fertile soil in sun or part shade.[5]

Plants seem to be immune to the predation by rabbits.[6]

Range: Europe, including Britain, from Norway south and east to N. Africa and temperate Asia.

Habitat: Waste places, arable land and gardens[7].

Pollinators: Insects, self

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

Flower Type: Hermaphrodite

Known Hazards: 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.

Links

References

  1. Coffey, Timothy. The History and Folklore of North American Wild Flowers. Facts on File, 1993.
  2. Grieve, Margaret. A Modern Herbal. Penguin, 1984.
  3. Bown, Deni. Royal Horticultural Society Encyclopaedia of Herbs and Their Uses. Dorling Kindersley, 1995.
  4. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  5. Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  6. Thomas, Graham. Perennial Garden Plants. J. M. Dent & Sons, 1990.
  7. Clapham, Arthur and Tom Tootin, Edmund Warburg. Flora of the British Isles. Cambridge University Press, 1962.