Found in most northern temperate regions, including Britain.
Habitat
Muddy or peaty shores and shallow water to 30cm deep, in ponds, ditches and ungrazed marshland[17, 24].
Edibility Rating
2 (1-5)
Medicinal Rating
1 (1-5)
Physical Characteristics
Perennial growing to 1m by 0.6m.
It is hardy to zone 5 and is not frost tender. It is in flower from June to August. The flowers are monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and are pollinated by Wind.
It is noted for attracting wildlife.
The plant prefers light (sandy), medium (loamy) and heavy (clay) soils.
The plant prefers acid, neutral and basic (alkaline) soils.
It can grow in full shade (deep woodland) semi-shade (light woodland) or no shade.
It requires wet soil and can grow in water.
Root - cooked[22, 46, 61. 105, 257]. A sweetish flavour[161].
Stem base - cooked[105, 161].
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants.
Always seek advice from a professional before using a plant medicinally.
An infusion of the whole plant, mixed with other plant leaves, has been used in the treatment of chills[257].
Other Uses
None known
Cultivation details
Grows in muddy ground or water up to 30cm deep[17, 24]. Requires a rich soil[56]. Tolerates some shade[200]. Tolerates deep shade[188].
An important autumn and winter food source for wild fowl.
Propagation
Seed - best sown as soon as it is ripe in a pot in the greenhouse. Stand the pots in 2 - 3cm of water. Prick out the seedlings into individual pots when they are large enough to handle and gradually increase the depth of water as the plants grow until it is about level with the tops of the pots[240]. Plant them out in the summer if they have grown sufficiently, otherwise plant them out in the following spring.
Division in spring or autumn. Larger divisions can be planted out direct into their permanent positions. We have found it best to pot up the smaller divisions and grow them on in a lightly shaded position in a cold frame, planting them out once they are well established in the summer.
[17] Clapham, Tootin and Warburg.Flora of the British Isles. Cambridge University Press 1962 A very comprehensive flora, the standard reference book but it has no pictures.
[22] Sholto-Douglas. J.Alternative Foods. 0 Not very comprehensive, it seems more or less like a copy of earlier writings with little added.
[24] Baines. C.Making a Wildlife Garden. 0 Fairly good with lots of ideas about creating wildlife areas in the garden.
[46] Uphof. J. C. Th.Dictionary of Economic Plants. Weinheim 1959 An excellent and very comprehensive guide but it only gives very short descriptions of the uses without any details of how to utilize the plants. Not for the casual reader.
[56] Muhlberg. H.Complete Guide to Water Plants. E. P. Publishing Ltd. 1982 ISBN 0-7158-0789-7 Deals with a wide range of plants for temperate areas (and indoor aquaria) with quite a lot of information on cultivation techniques.
[105] Tanaka. T.Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing 1976 The most comprehensive guide to edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
[161] Yanovsky. E.Food Plants of the N. American Indians. Publication no. 237. U.S. Depf of Agriculture. 0 A comprehensive but very terse guide. Not for the casual reader.
[188] Brickell. C.The RHS Gardener's Encyclopedia of Plants and Flowers Dorling Kindersley Publishers Ltd. 1990 ISBN 0-86318-386-7 Excellent range of photographs, some cultivation details but very little information on plant uses.
[200] Huxley. A.The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5 Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[240] 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 Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
[257] Moerman. D.Native American Ethnobotany Timber Press. Oregon. 1998 ISBN 0-88192-453-9 Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
Readers Comments
Plants for a Future does not verify the accuracy of reader comments,
use at your own risk. In particular
Plants For A Future can not take any responsibility for any adverse effects from the use of plants.
You should always consult a professional before using plants medicinally.
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