Rheum rhaponticum
L.
Polygonaceae
The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Rhubarb
General Information
Rheum rhaponticum is a perennial plant that can grow up to 1.20 metres tall.
It is harvested from the wild for local use as a food, medicine and source of materials.
Known Hazards
The leaves contain high concentrations of oxalic acid[
34- Title
- The Oxford Book of Food Plants.
- Publication
-
- Author
- Harrison. S. Wallis. M. Masefield. G.
- Publisher
- Oxford University Press
- Year
- 1975
- ISBN
- -
- Description
- Good drawings of some of the more common food plants from around the world. Not much information though.
,
76- Title
- Poisonous Plants in Britain and their Effects on Animals and Man.
- Publication
-
- Author
- Cooper. M. and Johnson. A.
- Publisher
- HMSO
- Year
- 1984
- ISBN
- 0112425291
- Description
- Concentrates mainly on the effects of poisonous plants to livestock.
]. Oxalic acid can lock up certain minerals (especially calcium) in the body, leading to nutritional deficiency. Cooking the plant will reduce the concentration of oxalic acid. Another report says that the leaves have the same concentration of oxalic acid in the stems as they do in the leaves and it is not the oxalic acid that makes them poisonous. It says that any toxic properties of the leaves is more likely to be due to the presence of glycosides[
142- Title
- Plants Consumed by Man.
- Publication
-
- Author
- Brouk. B.
- Publisher
- Academic Press
- Year
- 1975
- ISBN
- 0-12-136450-x
- Description
- Readable but not very comprehensive.
]. 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[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
].
Botanical References
50- Title
- Flora Europaea
- Publication
-
- Author
- ?
- Publisher
- Cambridge University Press
- Year
- 1964
- ISBN
- -
- Description
- An immense work in 6 volumes (including the index). The standard reference flora for Europe, it is very terse though and with very little extra information. Not for the casual reader.
,
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
Range
Europe to E. Asia - Siberia.
Habitat
Wet mountain rocks in Europe[
50- Title
- Flora Europaea
- Publication
-
- Author
- ?
- Publisher
- Cambridge University Press
- Year
- 1964
- ISBN
- -
- Description
- An immense work in 6 volumes (including the index). The standard reference flora for Europe, it is very terse though and with very little extra information. Not for the casual reader.
].
Properties
Edibility Rating |   |
Medicinal Rating |    |
Habit | Perennial |
Height | 1.20 m |
Pollinators | Wind |
Cultivation Status | Wild |
Cultivation Details
Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Shade tolerant[
15- Title
- Edible Ornamental Garden.
- Publication
-
- Author
- Bryan. J. and Castle. C.
- Publisher
- Pitman Publishing
- Year
- 1976
- ISBN
- 0-273-00098-5
- Description
- A small book with interesting ideas for edible plants in the ornamental garden.
], but plants prefer a sunny position[
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
]. Grows well in heavy clay soils.
Hardy to at least -20°c[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
This species is probably a parent of the cultivated rhubarb, R. x cultorum[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Plants in this genus seem to be immune to the predations of rabbits[
233- Title
- Perennial Garden Plants
- Publication
-
- Author
- Thomas. G. S.
- Publisher
- J. M. Dent & Sons, London.
- Year
- 1990
- ISBN
- 0 460 86048 8
- Description
- A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
].
Hybridizes freely with other members of this genus[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Edible Uses
Leaf stem - raw or cooked[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
2- Title
- Sturtevant's Edible Plants of the World.
- Publication
-
- Author
- Hedrick. U. P.
- Publisher
- Dover Publications
- Year
- 1972
- ISBN
- 0-486-20459-6
- Description
- Lots of entries, quite a lot of information in most entries and references.
,
103- Title
- Flowering Plants of the World.
- Publication
-
- Author
- Haywood. V. H.
- Publisher
- Oxford University Press
- Year
-
- ISBN
- 0-19-217674-9
- Description
- Very readable and well illustrated, it lists plants by families giving the basic diagnostic features and some details of plant uses.
]. An acid flavour, they are used as a fruit substitute in tarts etc[
2- Title
- Sturtevant's Edible Plants of the World.
- Publication
-
- Author
- Hedrick. U. P.
- Publisher
- Dover Publications
- Year
- 1972
- ISBN
- 0-486-20459-6
- Description
- Lots of entries, quite a lot of information in most entries and references.
].
The young flower pouch, harvested before the flowers open, is said to form a dish of great delicacy[
2- Title
- Sturtevant's Edible Plants of the World.
- Publication
-
- Author
- Hedrick. U. P.
- Publisher
- Dover Publications
- Year
- 1972
- ISBN
- 0-486-20459-6
- Description
- Lots of entries, quite a lot of information in most entries and references.
].
Medicinal
Rhubarb has a long and proven history of herbal usage, its main effect being a positive and balancing effect upon the whole digestive system. It is one of the most widely used herbs in Chinese medicine[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. The main species used is R. palmatum. Though the chemistry varies slightly, this species is used interchangeably[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. Another report says that this species contains only small quantities of the medicinally active compounds and so it is only used as a mild laxative[
244- Title
- Herbs
- Publication
-
- Author
- Phillips. R. & Foy. N.
- Publisher
- Pan Books Ltd. London.
- Year
- 1990
- ISBN
- 0-330-30725-8
- Description
- Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
].
The root is anticholesterolemic, antiseptic, antispasmodic, antitumor, aperient, astringent, cholagogue, demulcent, diuretic, laxative, purgative, stomachic and tonic[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
,
37- Title
- The Gardener's Assistant.
- Publication
-
- Author
- Thompson. B.
- Publisher
- Blackie and Son.
- Year
- 1878
- ISBN
- -
- Description
- Excellent general but extensive guide to gardening practices in the 19th century. A very good section on fruits and vegetables with many little known species.
,
57- Title
- Plants for Man.
- Publication
-
- Author
- Schery. R. W.
- Publisher
-
- Year
-
- ISBN
-
- Description
- Fairly readable but not very comprehensive. Deals with plants from around the world.
,
61- Title
- A Dictionary of Plants Used by Man.
- Publication
-
- Author
- Usher. G.
- Publisher
- Constable
- Year
- 1974
- ISBN
- 0094579202
- Description
- Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
,
171- Title
- Economic Botany.
- Publication
-
- Author
- Hill. A. F.
- Publisher
- The Maple Press
- Year
- 1952
- ISBN
- -
- Description
- Not very comprehensive, but it is quite readable and goes into some detail about the plants it does cover.
,
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. Small doses act as an astringent tonic to the digestive system, whilst larger doses act as a mild laxative[
232- Title
- The Complete Homeopathy Handbook.
- Publication
-
- Author
- Castro. M.
- Publisher
- Macmillan. London.
- Year
- 1990
- ISBN
- 0-333-55581-3
- Description
- A concise beginner's guide to the subject. Very readable.
]. The root is taken internally in the treatment of chronic constipation, diarrhoea, liver and gall bladder complaints, haemorrhoids, menstrual problems and skin eruptions due to an accumulation of toxins[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. This remedy is not prescribed for pregnant or lactating women, nor for patients with intestinal obstruction[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. Externally, the root is used in the treatment of burns[
238- Title
- Encyclopaedia of Herbs and their Uses.
- Publication
-
- Author
- Bown. D.
- Publisher
- Dorling Kindersley, London.
- Year
- 1995
- ISBN
- 0-7513-020-31
- Description
- A very well presented and informative book on herbs from around the globe. Plenty in it for both the casual reader and the serious student. Just one main quibble is the silly way of having two separate entries for each plant.
]. The roots are harvested in October from plants that are at least six years old, they are then dried for later use[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
].
A homeopathic remedy is prepared from the dried root[
232- Title
- The Complete Homeopathy Handbook.
- Publication
-
- Author
- Castro. M.
- Publisher
- Macmillan. London.
- Year
- 1990
- ISBN
- 0-333-55581-3
- Description
- A concise beginner's guide to the subject. Very readable.
]. This is used especially in the treatment of diarrhoea in teething children[
232- Title
- The Complete Homeopathy Handbook.
- Publication
-
- Author
- Castro. M.
- Publisher
- Macmillan. London.
- Year
- 1990
- ISBN
- 0-333-55581-3
- Description
- A concise beginner's guide to the subject. Very readable.
].
Other Uses
Plants can be grown for ground cover when spaced about 1.8 metres apart each way[
208- Title
- Plants for Ground Cover
- Publication
-
- Author
- Thomas. G. S.
- Publisher
- J. M. Dent & Sons
- Year
- 1990
- ISBN
- 0-460-12609-1
- Description
- An excellent detailled book on the subject, very comprehensive.
].
Propagation
Seed - best sown in autumn in a shaded cold frame[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. The seed can also be sown in spring in a cold frame. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse or cold frame for their first winter, planting them out in the spring.
Division in early spring or autumn[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
,
111- Title
- Popular Hardy Perennials.
- Publication
-
- Author
- Sanders. T. W.
- Publisher
- Collingridge
- Year
- 1926
- ISBN
- -
- Description
- A fairly wide range of perennial plants that can be grown in Britain and how to grow them.
]. Divide up the rootstock with a sharp spade or knife, making sure that there is at least one growth bud on each division. Larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.
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