Zanthoxylum clava-herculis
L.
Rutaceae
Pseudopetalon glandulosum Raf.
Pseudopetalon tricarpum (Michx.) Raf.
Zanthoxylum alveolatum Shuttlew. ex A.Gray
Zanthoxylum aromaticum Willd.
Zanthoxylum carolinianum fruticosum A.Gray
Zanthoxylum hidalgense Lundell
Zanthoxylum hirsutum Buckley
Zanthoxylum macrophyllum Nutt.
Zanthoxylum tricarpum Michx.
Zanthoxylum tweedii Engl.
Common Name: Hercules Club
General Information
Zanthoxylum clava-herculis is a spiny deciduous shrub growing around 3 metres tall, sometimes becoming a tree that can grow up to 17 metres tall[
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.
]. Especially in mild climates, the leaves can be persistent and remain on the plant until new leaves are produced in spring[
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- Two volumes, a comprehensive listing of N. American trees though a bit out of date now.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.
].
The plant is harvested from the wild for local use as a food and a medicine. It is sometimes grown as an ornamental.
Known Hazards
None known
Botanical References
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.
,
274- Title
- Illustrated Flora of North Central Texas
- Publication
-
- Author
- Diggs, Jnr. G.M.; Lipscomb. B. L. & O'Kennon. R. J
- Website
- http://artemis.austincollege.edu/acad/bio/gdiggs/NCTXpdf.htm
- Publisher
- Botanical Research Institute, Texas.
- Year
- 1999
- ISBN
- 1-889878-01-4
- Description
- An excellent flora, which is also available on-line.
Range
South-eastern N. America - Oklahoma to North Calolina, south to Texas and Georgia
Habitat
Usually found as scattered trees near the coast in light sandy soils, often on bluffs of islands, river banks or dunes[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
]. Best growth is from plants in most rich soils with good drainage[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
Properties
Edibility Rating | |
Medicinal Rating | |
Other Uses Rating | |
Habit | Deciduous Shrub |
Height | 3.00 m |
Self-fertile | No |
Cultivation Status | Ornamental, Wild |
Cultivation Details
Zanthoxylum clava-herculis is fairly hardy, tolerating temperatures down to at least -15°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.
].
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 dioecious species - both male and female forms must be grown if fruit and seed are required.
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.
].
Edible Uses
The following report is for Zanthoxylum americanum, it is probably also applicable to this closely related species[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Seed - cooked. It is used as a condiment. A pepper substitute[
106- Title
- The Dictionary of Useful Plants.
- Publication
-
- Author
- Coon. N.
- Publisher
- Rodale Press
- Year
- 1975
- ISBN
- 0-87857-090-x
- Description
- Interesting reading but short on detail.
]. The fruit is rather small, about 4 - 5m in diameter[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
], but is produced in dense clusters which makes harvesting easy[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Each fruit contains a single seed[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
Medicinal
This species is quite widely used in herbal medicine, it has the same properties as Zanthoxylum americanum, but is said to be more active[
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.
].
Prickly ash is a warming, stimulating herb that is beneficial for the circulation. It was highly regarded by the native North American Indians who used it especially to alleviate rheumatism and toothache[
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
].
All parts of the plant, but especially the bark and roots, contain the aromatic bitter oil xanthoxylin[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
]. This has a number of applications in medicine, especially in the treatment of arthritic and rheumatic conditions, digestive problems and leg ulcers[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
,
254- Title
- The Encyclopedia of Medicinal Plants
- Publication
-
- Author
- Chevallier. A.
- Publisher
- Dorling Kindersley. London
- Year
- 1996
- ISBN
- 9-780751-303148
- Description
- An excellent guide to over 500 of the more well known medicinal herbs from around the world.
]. The fruit has a similar medicinal action to the bark[
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.
].
The bark and roots are antirheumatic, diaphoretic, irritant, odontalgic, stimulant and a useful tonic in the treatment of debilitated conditions of the stomach and digestive organs[
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.
,
213- Title
- Earth Medicine, Earth Food.
- Publication
-
- Author
- Weiner. M. A.
- Publisher
- Ballantine Books
- Year
- 1980
- ISBN
- 0-449-90589-6
- Description
- A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
,
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
]. They produce arterial excitement and are of use in the treatment of fevers, ague, poor circulation etc[
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.
].
Infusions of the bark were taken internally as a treatment for back pain, cramps, pulmonary problems, to treat fevers, and as a cold and cough remedy[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
]. The bark was boiled into a decoction that was taken to induce miscarriages. Bark infusions were taken to treat worms in adults.[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
]
The bark was used in different forms to alleviate toothaches:-smoking the bark relieved the pain of the toothache; the beaten or dried and powdered bark was packed in and around an aching tooth; pieces of the bark were chewed to help breakup a tooth that was to be removed[
299- Title
- Protabase - Plant Resources of Tropical Africa.
- Publication
-
- Author
-
- Website
- http://www.prota.org
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa.
]. One report says that the bark is very efficacious, but that the sensation of the acrid bark in the mouth is fully as unpleasant as the toothache[
213- Title
- Earth Medicine, Earth Food.
- Publication
-
- Author
- Weiner. M. A.
- Publisher
- Ballantine Books
- Year
- 1980
- ISBN
- 0-449-90589-6
- Description
- A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
].
Applied externally, an infusion of the bark was used as a wash to treat itching skin and to treat swollen joints. Children who were weak were washed with a decoction of the bark to make their legs and feet strong.
A poultice made from the inner bark was used to treated rheumatism and sharp pains. Placing the inner bark in the throat treated sore throats[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
]. A tea made from the inner bark has been used as a wash to treat itchy skin and swollen joints[
213- Title
- Earth Medicine, Earth Food.
- Publication
-
- Author
- Weiner. M. A.
- Publisher
- Ballantine Books
- Year
- 1980
- ISBN
- 0-449-90589-6
- Description
- A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
,
257- Title
- Native American Ethnobotany
- Publication
-
- Author
- Moerman. D.
- Publisher
- Timber Press. Oregon.
- Year
- 1998
- ISBN
- 0-88192-453-9
- Description
- Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
,
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
The bark of the roots was used to treat colic, rheumatism, and gonorrhoea[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
Infusions, made from the crushed roots, were used to treat fevers[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
The fruits are considered more active than the bark. They are antirheumatic, antispasmodic, carminative, diaphoretic, diuretic, stimulant and a useful tonic in the treatment of debilitated conditions of the stomach and digestive organs[
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.
,
213- Title
- Earth Medicine, Earth Food.
- Publication
-
- Author
- Weiner. M. A.
- Publisher
- Ballantine Books
- Year
- 1980
- ISBN
- 0-449-90589-6
- Description
- A nice book to read though it is difficult to look up individual plants since the book is divided into separate sections dealing with the different medicinal uses plus a section on edible plants. Common names are used instead of botanical.
,
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
].
Infusions of the berries were used to spray on the chest and throat to treat bronchial diseases, to wash sores, and to flavour medicines[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
]. Rubbing the fruit against the skin, especially on the lips or in the mouth, produces a numbing effect[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
The bark and the berries were used together to treat haemorrhages, to make cough syrup, as an expectorant, and to treat tuberculosis[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
The plant was used to treat pain after childbirth[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
An ointment, made my mixing the plant with bear grease, was applied to ulcers and sores[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
The plant was an ingredient in compounds that were used for kidney trouble, to strengthen convalescing patients, and to induce vomiting[
277- Title
- Plants Database
- Publication
-
- Author
-
- Website
- http://plants.usda.gov/java/factSheet
- Publisher
- United States Department of Agriculture
- Year
- 0
- ISBN
-
- Description
- An online database with an excellent collection of fact sheets about native N. American plants.
].
Other Uses
Wood - light, soft, weak and close-grained[
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.
,
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
]. It weighs 31lb per cubic foot[
227- Title
- Trees of North Texas
- Publication
-
- Author
- Vines. R.A.
- Publisher
- University of Texas Press.
- Year
- 1982
- ISBN
- 0292780206
- Description
- A readable guide to the area, it contains descriptions of the plants and their habitats with quite a bit of information on plant uses.
]. Too small for commercial use[
229- Title
- The Complete Trees of N. America. Field Guide and Natural History.
- Publication
-
- Author
- Elias. T.
- Publisher
- Van Nostrand Reinhold Co.
- Year
- 1980
- ISBN
- 0442238622
- Description
- A very good concise guide. Gives habitats, good descriptions, maps showing distribution and a few of the uses. It also includes the many shrubs that occasionally reach tree proportions.
].
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.
].