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Rhamnus cathartica

Rhamnus cathartica: Closeup of Flowers
Photo by NatEnv. High resolution version

Rhamnus cathartica: Branch with leaves and flowes
Photo by NatEnv. High resolution version

Common name:	Common Buckthorn	Family:	Rhamnaceae
Author:	L.	Botanical references:	11, 17, 200
Synonyms:
Known Hazards:	The fruit is purgative but not seriously poisonous[186]. Other parts of the plant may also be poisonous[10, 19, 76, 186].
Range:	Europe, including Britain, from Scandanavia south and east to N. Africa and W. Asia.
Habitat:	Fen peat, scrub, hedges, ash and oak woods, on calcareous often dry soils[17].
Edibility Rating (1-5):	0	Medicinal Rating (1-5):	3

Other Possible Synonyms:	From various places across the web, may not be correct. See below.
	R. catharticus[E,H]
Other Common Names:	From various places around the Web, may not be correct. See below.
	Akdiken [E], Buckthorn [H,E,L], Common Buckthorn [P,L], Espino Cerval [E], European Buckthorn [B], Purging Buckthorn [E], Tufty Thorn [E], Wegedoorn [D],
Epithets:	From a Dictionary of Botanical Epithets
	cathartica = purgative
Systematics:	From a USDA Plants Database
	Order: Rhamnales. Buckthorn family
Other Range Info:	From the Ethnobotany Database
	Britain Europe Spain Turkey
Noxious, Invasive and Injurious Weeds	From USDA PLANTS database, Weeds Australia , DEFRA Injurious Weeds
	Listed as noxious/invasive for: Iowa.

Physical Characteristics

A decidious shrub growing to 6m by 3m . It is hardy to zone 3 and is frost tender. It is in flower from May to June, and the seeds ripen in October. The flowers are dioecious (individual flowers are either male or female, but only one sex is to be found on any one plant so both male and female plants must be grown if seed is required) and are pollinated by Insects. The plant not is self-fertile. It is noted for attracting wildlife. We rate it 0/5 for edibility and 3/5 for medicinal use.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils. The plant prefers acid, neutral and basic (alkaline) soils and can grow in very alkaline soil. It can grow in semi-shade (light woodland) or no shade. It requires dry or moist soil.

Habitats and Possible Locations

Hedge, Woodland, Sunny Edge, Dappled Shade, Shady Edge.

Edible Uses

None known

Medicinal Uses

Disclaimer

Cathartic Depurative Diuretic Laxative Purgative.

Both the bark and the fruit of common buckthorn have been used for their purgative effect upon the body, however they can be rather violent in their action and so are rarely used in human medicines[244].
The berries, harvested when fully ripe, are cathartic, depurative, diuretic, laxative and violently purgative[1, 4, 9, 19, 46, 61, 218, 238]. About 8 - 15 of the mature fruits, chewed before breakfast, are a strong and effective laxative for adults, they should not be used by children[9]. An infusion of the not quite mature fruits is gentler in its action[9]. Use with caution, in large doses the fruit can cause vomiting and violent diarrhoea[9, 21].

We have a more details factsheet on the history and medicinal use of this plant. Email webmaster@pfaf.org for details.

Other Uses

Dye Hedge Wood.

A green dye is obtained from the immature fruit[46, 57, 103, 115, 171]. Mixed with gum arabic and limewater, it makes a green pigment used in watercolour painting[238]. Yellow, orange and brownish dyes can also be obtained[100]. The colours are rich but fugitive[4].
A yellow dye is obtained from the bark[61, 100, 115]. It has been used to colour paper and maps[238].
Often grown as an informal hedge, it is also amenable to trimming[21, 186, 200].
Wood - hard, handsome with a marble-like grain. Used for small turnery[46, 61, 74].

Cultivation details

Succeeds in any reasonably good soil[11]. Prefers a dry or moist calcareous soil[1, 4, 9] in sun or light dappled shade[200].
This species is hardy to at least -15° c[238].
Plants regenerate well after cutting or burning but young plants are rather prone to frost damage when grown in an exposed position[186].
Plants are resistant to cattle grazing but young plants can be damaged by rabbits[186].
Plants have a very shallow root system[186].
This species often bears the aecidospore stage of 'crown rust' of oats so it should not be grown near cereals[1, 186].
The species in this genus are notably resistant to honey fungus[200].
A good bee plant[4, 108] and a main food plant for the brimstone butterfly[186].
Dioecious. Male and female plants must be grown if seed is required.

Propagation

Seed - best sown as soon as it is ripe in the autumn in a cold frame. Stored seed will require 1 - 2 months stratification at 5° c and should be sown as early in the year as possible in a cold frame[200]. Prick out the seedlings into individual pots when they are large enough to handle, and grow them on in the greenhouse or cold frame for their first winter. Plant them out in late spring or early summer of the following year.
Cuttings of half-ripe wood, July/August in a frame[113].
Cuttings of mature wood of the current year's growth, autumn in a frame.
Layering in early spring[4].

Suppliers

Plants For A Future is working with the following groups to try and make these plants easily available. Parts of the proceeds will be donated to so please mention us when ordering.

Cool Temperate Nurseries: 10 Ivy Grove
Nottingham
NG7 7LZ
Email: philcorbett53@hotmail.com
Phone 0115 847 8302 Fax 0115 847 8302
Distribution: UK
How to order: Direct from Cool Temperate by email/phone
Notes: Many Trees supplied on their own rootstock
Last Updated: April 03
Item: Rhamnus cathartica (Buckthorn)

For more details of plant suppliers please see our Suppliers Page which lists many more places to look.

Web References

Details of Medicinal Uses, Habitats, etc. in M. Grieve A Modern Herbal (1931) [4]
[E] Ethnobotany Data (common names, uses, countries) from the Ethnobotany Database.
[V] Images from the Vascular Plant Image Gallery of the Texas A& M Bioinformatics Working Group.
[B] Data (Latin & Common names, other references) from the BONAP's Synonymized Checklist of the Vascular Flora of the United States, Puerto Rico, and the Virgin Islands.
[G] Data (Common Names, Uses, Distribution) from the USDA/ARS NPGS's GRIN taxonomic database.
[P] Data. (uses, distribution, wetland) from the USDA'a Plants database.
[HP] Links, Photos, Suppliers from Hortiplex Plant Database

References for Rhamnus catharticus (a possible synonym).

[H] Details of Scandanavian and European Common names in Henriette's names database
[E] Ethnobotany Data (common names, uses, countries) from the Ethnobotany Database.

References for the family Rhamnaceae.

To be included in the Flora of China.

See the PFAF Links Pages for other sources.

Also try Photos and info from the The Plants Database which has 14,000 images.

References

[1] F. Chittendon. RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).

[4] Grieve. A Modern Herbal. Penguin 1984 ISBN 0-14-046-440-9
Not so modern (1930's?) but lots of information, mainly temperate plants.

[9] Launert. E. Edible and Medicinal Plants. Hamlyn 1981 ISBN 0-600-37216-2
Covers plants in Europe. a drawing of each plant, quite a bit of interesting information.

[10] Altmann. H. Poisonous Plants and Animals. Chatto and Windus 1980 ISBN 0-7011-2526-8
A small book, reasonable but not very detailed.

[11] Bean. W. Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement. Murray 1981
A classic with a wealth of information on the plants, but poor on pictures.

[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.

[19] Stary. F. Poisonous Plants. Hamlyn 1983 ISBN 0-600-35666-3
Not very comprehensive, but easy reading.

[21] Lust. J. The Herb Book. Bantam books 1983 ISBN 0-553-23827-2
Lots of information tightly crammed into a fairly small book.

[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.

[57] Schery. R. W. Plants for Man.
Fairly readable but not very comprehensive. Deals with plants from around the world.

[61] Usher. G. A Dictionary of Plants Used by Man. Constable 1974 ISBN 0094579202
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.

[74] Komarov. V. L. Flora of the USSR. Israel Program for Scientific Translation 1968
An immense (25 or more large volumes) and not yet completed translation of the Russian flora. Full of information on plant uses and habitats but heavy going for casual readers.

[76] Cooper. M. and Johnson. A. Poisonous Plants in Britain and their Effects on Animals and Man. HMSO 1984 ISBN 0112425291
Concentrates mainly on the effects of poisonous plants to livestock.

[100] Polunin. O. Flowers of Europe - A Field Guide. Oxford University Press 1969 ISBN 0192176218
An excellent and well illustrated pocket guide for those with very large pockets. Also gives some details on plant uses.

[103] Haywood. V. H. Flowering Plants of the World. Oxford University Press ISBN 0-19-217674-9
Very readable and well illustrated, it lists plants by families giving the basic diagnostic features and some details of plant uses.

[108] International Bee Research Association. Garden Plants Valuable to Bees. International Bee Research Association. 1981
The title says it all.

[113] Dirr. M. A. and Heuser. M. W. The Reference Manual of Woody Plant Propagation. Athens Ga. Varsity Press 1987 ISBN 0942375009
A very detailed book on propagating trees. Not for the casual reader.

[115] Johnson. C. P. The Useful Plants of Great Britain.
Written about a hundred years ago, but still a very good guide to the useful plants of Britain.

[171] Hill. A. F. Economic Botany. The Maple Press 1952
Not very comprehensive, but it is quite readable and goes into some a bit of detail about the plants it does cover.

[186] Beckett. G. and K. Planting Native Trees and Shrubs. Jarrold 1979
An excellent guide to native British trees and shrubs with lots of details about the plants.

[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.

[218] Duke. J. A. and Ayensu. E. S. Medicinal Plants of China Reference Publications, Inc. 1985 ISBN 0-917256-20-4
Details of over 1,200 medicinal plants of China and brief details of their uses. Often includes an analysis, or at least a list of constituents. Heavy going if you are not into the subject.

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

[244] Phillips. R. & Foy. N. Herbs Pan Books Ltd. London. 1990 ISBN 0-330-30725-8
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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We make no claims of magical effects or supernatural powers for any item in this catalog. In spite of legendary attributes or occult and craft tradition, such items are offered as curios only and beliefs concerning their magical effectiveness are related only for historical interest.