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Useful Temperate Plants

Zanthoxylum piperitum

(L.) DC.

Rutaceae

+ Synonyms

Fagara piperita L.

Common Name: Japanese Pepper Tree

No Image.

General Information

Zanthoxylum piperitum is a prickly, compact, rounded, deciduous shrub growing up to 2 metres tall[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
58
Title
Flora of Japan. (English translation)
Publication
 
Author
Ohwi. G.
Publisher
Smithsonian Institution
Year
1965
ISBN
-
Description
The standard work. Brilliant, but not for the casual reader.
].
The plant is commonly harvested from the wild, and is also much cultivated in Japan, for its fruit which is used as a pepper-like flavouring. The plant is also often used as a medicine. It is sometimes grown as an ornamental in gardens.

Known Hazards

None known

Botanical References

11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
58
Title
Flora of Japan. (English translation)
Publication
 
Author
Ohwi. G.
Publisher
Smithsonian Institution
Year
1965
ISBN
-
Description
The standard work. Brilliant, but 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

E. Asia - Japan, Korea

Habitat

Scrub and hedges in hills and mountains[
58
Title
Flora of Japan. (English translation)
Publication
 
Author
Ohwi. G.
Publisher
Smithsonian Institution
Year
1965
ISBN
-
Description
The standard work. Brilliant, but not for the casual reader.
,
184
Title
Shrubs.
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Pan Books
Year
1989
ISBN
0-330-30258-2
Description
Excellent photographs and a terse description of 1,900 species and cultivars.
].

Properties

Edibility Rating *  *  *
Medicinal Rating *  *
HabitDeciduous Shrub
Height2.00 m
Self-fertileNo
Cultivation StatusCultivated, Ornamental, Wild

Cultivation Details

Zanthoxylum piperitum can tolerate winter temperatures falling occasionally as low as -15°c[
184
Title
Shrubs.
Publication
 
Author
Phillips. R. & Rix. M.
Publisher
Pan Books
Year
1989
ISBN
0-330-30258-2
Description
Excellent photographs and a terse description of 1,900 species and cultivars.
].
Easily grown in loamy soils in most positions, but prefers a good deep well-drained moisture retentive soil in full sun or semi-shade[
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]).
,
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
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.
].
A very ornamental plant[
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]).
].
Flowers are formed on the old wood[
206
Title
Oriental Vegetables
Publication
 
Author
Larkcom J.
Publisher
John Murray
Year
1991
ISBN
0-7195-4781-4
Description
Well written and very informative.
].
The bruised leaves are amongst the most powerfully aromatic of all leaves[
245
Title
Scented Flora of the World.
Publication
 
Author
Genders. R.
Publisher
Robert Hale. London.
Year
1994
ISBN
0-7090-5440-8
Description
An excellent, comprehensive book on scented plants giving a few other plant uses and brief cultivation details. There are no illustrations.
].
A dioecious species - both male and female forms must be grown if fruit and seed are required. Self-sown seedlings have occasionally been observed growing in bare soil under the parent plant[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].

Edible Uses

Seed - cooked. It is ground into a powder and used as a condiment, a pepper substitute[
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.
,
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
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.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
]. The fruit can also be used[
116
Title
Oriental Herbs and Vegetables, Vol 39 No. 2.
Publication
 
Author
Brooklyn Botanic Garden
Publisher
Brooklyn Botanic Garden
Year
1986
ISBN
-
Description
A small booklet packed with information.
]. It is often heated in order to bring out its full flavour and can be mixed with salt for use as a table condiment[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
]. The ground and dry-roasted fruit is an ingredient of the Chinese 'five spice powder'[
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 bark and leaves are used as a spice[
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.
,
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of 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.
,
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.
].

Young leaves - raw or cooked. They are used in soups or as a flavouring in salads[
177
Title
Plants for Human Consumption.
Publication
 
Author
Kunkel. G.
Publisher
Koeltz Scientific Books
Year
1984
ISBN
3874292169
Description
An excellent book for the dedicated. A comprehensive listing of Latin names with a brief list of edible parts.
,
179
Title
Famine Foods listed in the Chiu-Huang Pen-ts'ao.
Publication
 
Author
Reid. B. E.
Publisher
Southern Materials Centre; Taipei
Year
1977
ISBN
-
Description
A translation of an ancient Chinese book on edible wild foods. Fascinating.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
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.
].

Medicinal

The fruit pericarp is anthelmintic, antibacterial, antifungal, antiperiodic, antitussive, carminative, diuretic, parasiticide, stimulant and stomachic[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
,
279
Title
Medicinal Plants in the Republic of Korea
Publication
 
Author
 
Publisher
World Health Organisation, Manila
Year
1998
ISBN
92 9061 120 0
Description
An excellent book with terse details about the medicinal uses of the plants with references to scientific trials. All plants are described, illustrated and brief details of habitats given.
]. It is recommended in the treatment of dysentery, spermatorrhcea, galactorrhoea, and polyuria[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
]. It is used in Korea in the treatment of tuberculosis, dyspepsis and internal parasites[
279
Title
Medicinal Plants in the Republic of Korea
Publication
 
Author
 
Publisher
World Health Organisation, Manila
Year
1998
ISBN
92 9061 120 0
Description
An excellent book with terse details about the medicinal uses of the plants with references to scientific trials. All plants are described, illustrated and brief details of habitats given.
].
Externally, it is used as a stimulant to the skin and as a parasiticide[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
].
The fruit pericarps, which are called Chiao-hung. are considered somewhat deleterious if used in quantity or over a long period. Their prolonged use is said to produce imbecility and to injure the blood vessels[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
]. The fruit inhibits the synthesis of prostaglandin and, in larger doses, is toxic to the central nervous system[
279
Title
Medicinal Plants in the Republic of Korea
Publication
 
Author
 
Publisher
World Health Organisation, Manila
Year
1998
ISBN
92 9061 120 0
Description
An excellent book with terse details about the medicinal uses of the plants with references to scientific trials. All plants are described, illustrated and brief details of habitats given.
].

The leaves have properties similar to those of the pericarps, and are prescribed in similar cases. A decoction of these is recommended in he treatment of varnish poisoning (from Rhus species).

The seeds are considered diuretic, and are used in the treatment of dropsies, diseases of the kidney and bladder, and in asthma[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
].

The resin contained in the bark, and especially in that of the roots, is powerfully stimulant and tonic[
82
Title
Manual of the Trees of N. America.
Publication
 
Author
Sargent. C. S.
Website
http://www.biodiversitylibrary.org/
Publisher
Dover Publications Inc. New York.
Year
1965
ISBN
0-486-20278-X
Description
Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
].

A decoction of the root is used in the treatment of kidney and bladder difficulties[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
].
Used as a wash, the decoction is used to treat ecchymoses and other skin affections[
178
Title
Chinese Materia Medica.
Publication
 
Author
Stuart. Rev. G. A.
Publisher
Taipei. Southern Materials Centre
Year
1911
ISBN
-
Description
A translation of an ancient Chinese herbal. Fascinating.
].

The fruit contains an essential oil, flavonoids and isoquinoline alkaloids[
279
Title
Medicinal Plants in the Republic of Korea
Publication
 
Author
 
Publisher
World Health Organisation, Manila
Year
1998
ISBN
92 9061 120 0
Description
An excellent book with terse details about the medicinal uses of the plants with references to scientific trials. All plants are described, illustrated and brief details of habitats given.
].

Other Uses

None known

Propagation

Seed - best sown in a greenhouse as soon as it is ripe in the autumn. Stored seed may requires up to 3 months cold stratification, though scarification may also help[
113
Title
The Reference Manual of Woody Plant Propagation.
Publication
 
Author
Dirr. M. A. and Heuser. M. W.
Publisher
Athens Ga. Varsity Press
Year
1987
ISBN
0942375009
Description
A very detailed book on propagating trees. Not for the casual reader.
]. Sow stored seed in a cold frame as early in the year as possible. Germination should take place in late spring, though it might take another 12 months. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in a cold frame for their first winter. Plant them out in early summer.
Cuttings of half-ripe wood, mid summer in a frame.
Root cuttings, 3cm long, planted horizontally in pots in a greenhouse. Good percentage[
78
Title
Propagation of Trees, Shrubs and Conifers.
Publication
 
Author
Sheat. W. G.
Publisher
MacMillan and Co
Year
1948
ISBN
-
Description
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
].
Suckers, removed in late winter and planted into their permanent positions[
113
Title
The Reference Manual of Woody Plant Propagation.
Publication
 
Author
Dirr. M. A. and Heuser. M. W.
Publisher
Athens Ga. Varsity Press
Year
1987
ISBN
0942375009
Description
A very detailed book on propagating trees. Not for the casual reader.
].

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