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Useful Tropical Plants

Lepidium virginicum

L.

Brassicaceae

+ Synonyms

Lepidium diandrum Medik.

Lepidium gerloffianum Vatke ex Thell.

Lepidium horstii Johow ex Skottsb.

Lepidium majus Darracq

Lepidium micropterum Miq.

Lepidium praecox DC.

Nasturtium majus Kuntze

Common Name: Wild Pepper Grass

Lepidium virginicum
Young plant, before flowering
Photograph by: Forest and Kim Starr
Creative Commons License
Lepidium virginicum Lepidium virginicum Lepidium virginicum

General Information

Wild pepper grass is an annual to biennial plant growing 20 - 70cm tall. The erect stem is usually only branched towards the top, but is sometimes many-branched[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
].
The plant is harvested from the wild for local use as a food and medicine.

Known Hazards

None known

Botanical References

43
Title
Gray's Manual of Botany.Eighth Edition
Publication
 
Author
Fernald. M. L.
Publisher
American Book Co.; New York
Year
1950
ISBN
0442222505
Description
A bit dated but a good and concise flora of the eastern part of N. America.
,
235
Title
An Illustrated Flora of the Northern United States and Canada
Publication
 
Author
Britton. N. L. Brown. A.
Publisher
Dover Publications. New York.
Year
1970
ISBN
0-486-22642-5
Description
Reprint of a 1913 Flora, but still a very useful book.

Range

N. America - Quebec to Minnesota, south to Florida and Colorado. Widely naturalized in the tropics.

Habitat

Dry sandy soils[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
] in waste places and by roads[
43
Title
Gray's Manual of Botany.Eighth Edition
Publication
 
Author
Fernald. M. L.
Publisher
American Book Co.; New York
Year
1950
ISBN
0442222505
Description
A bit dated but a good and concise flora of the eastern part of N. America.
]. Avoids dense woods and wet places[
159
Title
Wild Food Plants of Indiana.
Publication
 
Author
McPherson. A. and S.
Publisher
Indiana University Press
Year
1977
ISBN
0-253-28925-4
Description
A nice pocket guide to this region of America.
].

Properties

Weed PotentialYes
Edibility Rating *  *
Medicinal Rating *  *
HabitAnnual/Biennial
Height0.50 m
PollinatorsInsects
Cultivation StatusWild

Cultivation Details


An easily grown plant, it succeeds in most soils.
Originally from N. America, this species has become a naturalized weed in many areas from the temperate zone to the tropics[
305
Title
Pacific Island Ecosystems at Risk
Publication
 
Author
 
Website
http://www.hear.org/pier/scientificnames/index.html
Publisher
 
Year
0
ISBN
 
Description
A very good website detailing weed species that have been introduced into the Pacific Islands.
].

Edible Uses

Young leaves - raw or cooked[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
,
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.
,
159
Title
Wild Food Plants of Indiana.
Publication
 
Author
McPherson. A. and S.
Publisher
Indiana University Press
Year
1977
ISBN
0-253-28925-4
Description
A nice pocket guide to this region of America.
]. The leaves are a rich source of vitamin C[
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.
] and have a hot cress-like flavour[
144
Title
Wild Food in Australia.
Publication
 
Author
Cribb. A. B. and J. W.
Publisher
Fontana
Year
1976
ISBN
0-00-634436-4
Description
A very good pocket guide.
]. Chopped finely and added to salads, used as a garnish or cooked as greens[
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.
].

Unripe seedpods have a pleasantly pungent flavour and can be eaten raw[
55
Title
Eat the Weeds.
Publication
 
Author
Harris. B. C.
Publisher
Pivot Health
Year
1973
ISBN
-
Description
Interesting reading.
] or used as a condiment in soups and stews[
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 seed is a pepper substitute[
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.
,
159
Title
Wild Food Plants of Indiana.
Publication
 
Author
McPherson. A. and S.
Publisher
Indiana University Press
Year
1977
ISBN
0-253-28925-4
Description
A nice pocket guide to this region of America.
].

Medicinal

The leaves of wild pepper-grass are nutritious and generally detoxifying, they have been used to treat vitamin C deficiency and diabetes, and to expel intestinal worms[
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 herb is also diuretic and of benefit in easing rheumatic pain[
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.
,
348
Title
Medicinal Plants of the Guianas
Publication
 
Author
DeFilipps, R. A.; Maina, S. L.; & Crepin, J.
Website
http://botany.si.edu/bdg/medicinal/index.html
Publisher
Smithsonian Museum
Year
0
ISBN
 
Description
A down-loadable PDF document of a book in pre-publication awaiting illustration. An excellent, if rather terse, guide to the traditional medicinal uses of the plants of the region
]. A sweetened decoction of the plant is sometimes administered to babies suffering from colic, and it is a domestic remedy for affections of the stomach and intestines[
331
Title
Flora of Guatemala
Publication
 
Author
Standley P.C. & J. A. Steyermark
Website
http://www.archive.org/
Publisher
 
Year
1946 - 1976
ISBN
 
Description
A superb reference, though somewhat dated. Gives lots of plant uses as well as information on plant habit and habitat. The entire flora (13 volumes) can now be downloaded from http://www.archive.org/
].
North American Indians used the bruised fresh plant, or a tea made from the leaves to treat poison ivy rash and scurvy[
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.
]. A poultice of the leaves was applied to the chest in the treatment of croup[
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.
].

The seed is antiasthmatic, antitussive, cardiotonic and diuretic[
176
Title
Handbook of Chinese Herbs and Formulas.
Publication
 
Author
Yeung. Him-Che.
Publisher
Institute of Chinese Medicine, Los Angeles
Year
1985
ISBN
-
Description
An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
]. It is used in the treatment of coughs and asthma with excessive phlegm, oedema, oliguria and liquid accumulation in the thoraco-abdominal cavity[
176
Title
Handbook of Chinese Herbs and Formulas.
Publication
 
Author
Yeung. Him-Che.
Publisher
Institute of Chinese Medicine, Los Angeles
Year
1985
ISBN
-
Description
An excellent Chinese herbal giving information on over 500 species. Rather technical and probably best suited to the more accomplished user of herbs.
].

The root is used to treat excess catarrh within the respiratory tract[
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.
].
A poultice of the bruised roots has been used to draw out blisters[
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.
].

Other Uses

None known

Propagation

Seed - sow in situ. Germination usually takes place within 2 weeks.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2019-08-23. <tropical.theferns.info/viewtropical.php?id=Lepidium+virginicum>

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