If you would like to support this site, please consider Donating.
Useful Temperate Plants

Impatiens capensis

Meerb.

Balsaminaceae


The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.

+ Synonyms

Common Name: Jewelweed

No Image.

General Information

Impatiens capensis is a Annual up to 1.20 metres tall.
It has edible, medicinal and miscellaneous uses.

Known Hazards

Regular ingestion of large quantities of these plants can be dangerous due to their high mineral content[
172
Title
Discovering Wild Plants - Alaska, W. Canada and the Northwest.
Publication
 
Author
Schofield. J. J.
Publisher
Alaska Northwest Books; Alaska
Year
2003
ISBN
0882403699
Description
A nice guide to some useful plants in that area.
]. This report, which seems nonsensical, might refer to calcium oxalate. This mineral is found in I. capensis and so is probably also in other members of the genus. It can be harmful raw but is destroyed by thoroughly cooking or drying the 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.
]. People with a tendency to rheumatism, arthritis, gout, kidney stones and hyperacidity should take especial caution if including this plant in their diet[
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.
].

Botanical References

17
Title
Flora of the British Isles.
Publication
 
Author
Clapham, Tutin and Warburg.
Publisher
Cambridge University Press
Year
1962
ISBN
-
Description
A very comprehensive flora, the standard reference book but it has no 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.

Range

N. America - Newfoundland to Saskatchewan. Naturalized in Britain.

Habitat

Along the banks of rivers and canals[
5
Title
Food for Free.
Publication
 
Author
Mabey. R.
Publisher
Collins
Year
1974
ISBN
0-00-219060-5
Description
Edible wild plants found in Britain. Fairly comprehensive, very few pictures and rather optimistic on the desirability of some of the plants.
], also in low-lying moist woodlands, avoiding acid soils[
62
Title
A Field Guide to N. American Edible Wild Plants.
Publication
 
Author
Elias. T. and Dykeman. P.
Publisher
Van Nostrand Reinhold
Year
1982
ISBN
0442222009
Description
Very readable.
].

Properties

Edibility Rating *  *  *
Medicinal Rating *  *
HabitAnnual
Height1.20 m
Growth RateFast
PollinatorsBees, Self
Self-fertileYes
Cultivation StatusWild

Cultivation Details

Succeeds in any reasonably good soil[
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]).
]. Grows well in heavy clay soils. Prefers a moist well-drained humus rich soil in a cool shady site[
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]).
,
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.
].
Plants self-sow in areas where minimum winter temperatures go no lower than -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.
].
This plant has seed capsules that spring open forcibly as the seed ripens to eject the seed a considerable distance. The capsules are sensitive to touch even before the seed is ripe, making seed collection difficult but fun[
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

The succulent stems, whilst still young and tender, can be cut up and cooked like green beans[
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.
].
Young leaves and shoots - cooked. They contain calcium oxalate crystals[
62
Title
A Field Guide to N. American Edible Wild Plants.
Publication
 
Author
Elias. T. and Dykeman. P.
Publisher
Van Nostrand Reinhold
Year
1982
ISBN
0442222009
Description
Very readable.
]. Calcium oxalate is usually destroyed by thorough cooking[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Large quantities of the leaves are purgative[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
]. See also the notes above on toxicity.

Medicinal

Jewelweed was commonly used as a medicinal herb by a number of native North American Indian tribes[
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.
], and has been widely used in domestic medicine. Its main value lies in its external application for wounds and a range of skin complaints. However, it is little used in modern herbalism and is considered to be dangerous and 'wholly questionable' when used internally[
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 herb is antidote, cathartic, diuretic and emetic[
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.
,
172
Title
Discovering Wild Plants - Alaska, W. Canada and the Northwest.
Publication
 
Author
Schofield. J. J.
Publisher
Alaska Northwest Books; Alaska
Year
2003
ISBN
0882403699
Description
A nice guide to some useful plants in that area.
,
207
Title
The History and Folklore of North American Wild Flowers.
Publication
 
Author
Coffey. T.
Publisher
Facts on File.
Year
1993
ISBN
0-8160-2624-6
Description
A nice read, lots of information on plant uses.
,
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.
]. An infusion has been used in the treatment of fevers, difficult urination, measles, stomach cramps, jaundice etc[
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.
].
The juice of the leaves is used externally in the treatment of piles, fungal dermatitis, nettle stings, poison ivy rash, burns 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.
,
172
Title
Discovering Wild Plants - Alaska, W. Canada and the Northwest.
Publication
 
Author
Schofield. J. J.
Publisher
Alaska Northwest Books; Alaska
Year
2003
ISBN
0882403699
Description
A nice guide to some useful plants in that area.
,
207
Title
The History and Folklore of North American Wild Flowers.
Publication
 
Author
Coffey. T.
Publisher
Facts on File.
Year
1993
ISBN
0-8160-2624-6
Description
A nice read, lots of information on plant uses.
,
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.
].
The sap is used to remove warts[
207
Title
The History and Folklore of North American Wild Flowers.
Publication
 
Author
Coffey. T.
Publisher
Facts on File.
Year
1993
ISBN
0-8160-2624-6
Description
A nice read, lots of information on plant uses.
].
A poultice of the leaves is applied to bruises, burns, cuts etc[
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
0395467225
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.
].

Other Uses

The fresh juice obtained from the plant is a fungicide. This juice can be concentrated by boiling it[
62
Title
A Field Guide to N. American Edible Wild Plants.
Publication
 
Author
Elias. T. and Dykeman. P.
Publisher
Van Nostrand Reinhold
Year
1982
ISBN
0442222009
Description
Very readable.
].
A yellow dye has been made from the flowers[
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.
]. It can be made from the whole plant[
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.
].

Propagation

Seed - sow spring in a greenhouse. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2018-10-17. <temperate.theferns.info/plant/Impatiens+capensis>

Add a Comment:

If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.