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Useful Tropical Plants

Lepidium virginicum

L.

Brassicaceae

+ Synonyms

Clypeola caroliniana Walter

Crucifera virginica (L.) E.H.L.Krause

Cynocardamum virginicum Webb & Berthel.

Dileptium diffusum Raf.

Dileptium precox Raf.

Dileptium virginicum (L.) Raf.

Iberis virginica (L.) Fisch. & C.A.Mey.

Lepidium arcuatum DC.

Lepidium danielsii C.L.Hitchc.

Lepidium diandrum Medik.

Lepidium exiguiflorum Clairv.

Lepidium gerloffianum Vatke ex Thell.

Lepidium horstii Johow ex Skottsb.

Lepidium iberis L.

Lepidium majus Darracq

Lepidium micropterum Miq.

Lepidium praecox DC.

Nasturtiastrum virginicum (L.) Gillet & Magne

Nasturtium diandrum Moench

Nasturtium iberis (L.) Crantz

Nasturtium majus Kuntze

Nasturtium virginicum (L.) Kuntze

Semetum ramosum Raf.

Thlaspi virginianum Poir.

Thlaspi virginicum (L.) Cav.

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

Lepidium virginicum 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 - British Columbia, then Ontario and Quebec, south through much of the USA and Mexico to Honduras

Habitat

Roadsides, bottomlands, gravelly and sandy shores, waste grounds stream banks, grassy meadows, dry flats and stream beds, abandoned fields, woods, cliffs, plains, pastures, desert shrub communities, dry mountain slopes; at elevations to 2,600 metres[
270
Title
Flora of N. America
Publication
 
Author
 
Website
http://flora.huh.harvard.edu/fna/
Publisher
 
Year
0
ISBN
 
Description
An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].

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, Lepidium virginicum 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. 2024-10-11. <tropical.theferns.info/viewtropical.php?id=Lepidium+virginicum>

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