Solanum dulcamara

Bittersweet

a perennial woody member of the Solanum genus in the family Solanaceae.

No photo available

Taxonomy and growth

Genus
Solanum
Life cycle
perennial
Woodiness
woody
Growth rate
moderate
Height
2.5 m
Spread
2.5 m
Fertility
Insects
Flower type
hermaphrodite
Pollinators
Insects

Uses

Toxicity

Toxicity warning. The historical record reports a hazard for this plant. Do not use it to decide which parts are safe to eat or use medicinally.

This section contains historical Plants For A Future notes marked noncommercial.

All parts of the plant, including the fruit, are poisonous[13][15][2][3][6], though only mildly so[9][14].

Medicinal uses

Historical medicinal uses. These records describe reported uses. They do not establish safety or effectiveness. Ask a qualified health professional before using any plant medicinally.

This section contains historical Plants For A Future notes marked noncommercial.

Bittersweet is a poisonous plant that has a long history of use in the treatment of skin diseases, warts, tumours, felons etc[12]. It should be used with caution and only under the supervision of a qualified practitioner, this is a poisonous plant that, in excess, paralyzes the central nervous system, slows the heart and respiration, and lowers temperature, causing vertigo, delirium, convulsions and death[9][12]. See also the notes above on toxicity. All parts of the plant are alterative, anodyne, depurative, mildly diuretic, emetic, expectorant, hepatic, mildly narcotic and purgative[13][15][16][3][9][4]. The dried stem, usually collected in the autumn and preferably from the ends of branches 2 - 3 years old, is the part that is most valued medicinally, though the leaves are also used[13]. The plant is chiefly used as an alterative when taken internally in the treatment of a range of skin diseases, it is also used in the treatment of arthritis, rheumatism, bronchial congestion, heart ailments, ulcerative colitis and jaundice[13][10][12]. Externally, the plant is used to treat skin eruptions, ulcers, rheumatism and cellulite[12]. Two to three year old stems are harvested in the spring, or after the leaves have fallen in the autumn, and dried for later use[12]. The fruits are marinated in vinegar and applied to cancerous sores and other swellings[10]. A decoction of the root is used in the treatment of cancer and swellings[10]. The root is harvested in the autumn and dried for later use[12]. A homeopathic remedy is made from the fresh, green, still pliant stems and leaves, harvested as the plant begins to flower[11]. This is used in treating a variety of complaints including backaches, cough, diarrhoea, eye inflammations and joint pains[11].

Product or use
Alterative
Product or use
Anodyne
Product or use
Cancer
Product or use
Depurative
Product or use
Diuretic
Product or use
Emetic
Product or use
Expectorant
Product or use
Hepatic
Product or use
Homeopathy
Product or use
Narcotic
Product or use
Purgative

Ecology and functions

Ecosystem niche
Climber

Environment

Range
Europe, including Britain, south and east from Norway to N. Africa and temperate Asia.
Habitat
Hedgerows and woody areas, avoiding acid soils[5]. Also found on moist banks by the edges of swamps[11].
Light
full sun
Shade tolerance
light shade
Water
moderate
Hardiness
Zone 4+
Soil textures
sandy, loamy, clay
Soil pH
acid, neutral, alkaline
Drainage
well drained
Tolerances
high wind
Wind
Yes
Tolerates Nutritionally Poor Soil
No
Drought
intolerant

Propagation

This section contains historical Plants For A Future notes marked noncommercial.

Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out into their permanent positions in the summer. If you have sufficient seed then it can be sown outdoors in situ in the spring. Division in spring.

Cultivation

This section contains historical Plants For A Future notes marked noncommercial.

An easily grown plant, it succeeds in most soils[1][8]. Prefers a damp shady position and a neutral to alkaline soil[2][12]. Succeeds in full sun to light shade[8]. If being grown for its medicinal uses, the plant is best placed in a dry and exposed position[13]. Hardy to at least -15°c[8].

References

  1. F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951-00-00

  2. Altmann. H. Poisonous Plants and Animals. Chatto and Windus 1980-00-00 ISBN 0-7011-2526-8

  3. Triska. Dr. Hamlyn Encyclopaedia of Plants. Hamlyn 1975-00-00 ISBN 0-600-33545-3

  4. Mills. S. Y. The Dictionary of Modern Herbalism.

  5. Clapham, Tootin and Warburg. Flora of the British Isles. Cambridge University Press 1962-00-00

  6. Stary. F. Poisonous Plants. Hamlyn 1983-00-00 ISBN 0-600-35666-3

  7. Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992-00-00 ISBN 0-333-47494-5

  8. Davis. B. Climbers and Wall Shrubs. Viking. 1990-00-00 ISBN 0-670-82929-3

  9. Lust. J. The Herb Book. Bantam books 1983-00-00 ISBN 0-553-23827-2

  10. Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985-00-00 ISBN 0-917256-20-4

  11. Castro. M. The Complete Homeopathy Handbook. Macmillan. London. 1990-00-00 ISBN 0-333-55581-3

  12. Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. 1995-00-00 ISBN 0-7513-020-31

  13. Grieve. A Modern Herbal. Penguin 1984-00-00 ISBN 0-14-046-440-9

  14. Frohne. D. and Pf�nder. J. A Colour Atlas of Poisonous Plants. Wolfe 1984-00-00 ISBN 0723408394

  15. Chiej. R. Encyclopaedia of Medicinal Plants. MacDonald 1984-00-00 ISBN 0-356-10541-5

  16. Launert. E. Edible and Medicinal Plants. Hamlyn 1981-00-00 ISBN 0-600-37216-2

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