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Habitats
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Cultivated Beds;
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Edible Uses
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Leaf stem - raw or cooked[2, 7, 105, 183]. The stem is superior in flavour to the common rhubarb and quite tender[2]. An acid flavour, it is sometimes used as a cooked fruit substitute[K].
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Medicinal Uses
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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.
Anticholesterolemic; Antiseptic; Antispasmodic; Antitumor; Astringent; Cholagogue; Diuretic; Haemostatic; Purgative.
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]. The root is anticholesterolemic, antiseptic, antispasmodic, antitumor, aperient, astringent, cholagogue, demulcent, diuretic, laxative, purgative, stomachic and tonic[4, 7, 9, 21, 91, 171, 176, 238]. The roots contain anthraquinones, which have a purgative effect, and also tannins and bitters, which have an opposite astringent effect[244]. When taken in small doses, it acts as an astringent tonic to the digestive system, whilst larger doses act as a mild laxative[232, 244]. 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]. This remedy is not prescribed for pregnant or lactating women, nor for patients with intestinal obstruction[238]. Externally, the root is used in the treatment of burns[238]. The roots are harvested in October from plants that are at least six years old, they are then dried for later use[4]. A homeopathic remedy is prepared from the dried root[232]. This is used especially in the treatment of diarrhoea in teething children[232].
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Cultivation details
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Prefers a deep, fertile, moderately heavy, humus rich, moisture retentive, well-drained soil in sun or semi-shade[200]. Grows well in heavy clay soils. Plants can be grown in quite coarse grass, which can be cut annually in the autumn[233]. This is a more robust form of the species[200], it is hardy to at least -15°c[238]. This sub-species is favoured for its medicinal properties over the species[244] and is cultivated as a medicinal plant in China[187]. Plants in this genus seem to be immune to the predations of rabbits[233]. Hybridizes freely with other members of this genus[200].
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Propagation
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Seed - best sown in autumn in a shaded cold frame[200]. 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, 111]. 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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 You can download this page as a PDF
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Botanical References
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200266
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Links / References
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[K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.
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[1]F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956
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Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
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[2]Hedrick. U. P. Sturtevant's Edible Plants of the World.
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Lots of entries, quite a lot of information in most entries and references.
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[4]Grieve. A Modern Herbal.
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Not so modern (1930's?) but lots of information, mainly temperate plants.
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[7]Chiej. R. Encyclopaedia of Medicinal Plants.
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Covers plants growing in Europe. Also gives other interesting information on the plants. Good photographs.
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[9]Launert. E. Edible and Medicinal Plants.
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Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.
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[21]Lust. J. The Herb Book.
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Lots of information tightly crammed into a fairly small book.
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[91]Zhang Jingwei. Alpine Plants of China.
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A lovely book with nice pictures. Gives habitats and some details of plant uses.
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[105]Tanaka. T. Tanaka's Cyclopaedia of Edible Plants of the World.
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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.
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[111]Sanders. T. W. Popular Hardy Perennials.
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A fairly wide range of perennial plants that can be grown in Britain and how to grow them.
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[171]Hill. A. F. Economic Botany.
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Not very comprehensive, but it is quite readable and goes into some a bit of detail about the plants it does cover.
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[176]Yeung. Him-Che. Handbook of Chinese Herbs and Formulas.
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An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
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[183]Facciola. S. Cornucopia - A Source Book of Edible Plants.
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Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
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[187]Phillips. R. & Rix. M. Perennials Volumes 1 and 2.
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Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
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[200]Huxley. A. The New RHS Dictionary of Gardening. 1992.
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Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
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[232]Castro. M. The Complete Homeopathy Handbook.
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A concise beginner's guide to the subject. Very readable.
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[233]Thomas. G. S. Perennial Garden Plants
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A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
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[238]Bown. D. Encyclopaedia of Herbs and their Uses.
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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.
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[244]Phillips. R. & Foy. N. Herbs
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Deals with all types of herbs including medicinal, culinary, scented and dye plants. Excellent photographs with quite good information on each plant.
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[266] Flora of China
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On-line version of the Flora - an excellent resource giving basic info on habitat and some uses.
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Subject : Rheum palmatum tanguticum
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