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Narrow-leaved Pepperwort

Lepidium ruderale

Please keep in mind that it is illegal to uproot a plant without the landowner's consent and care should be taken at all times not to damage wild plants. Wild plants should never be picked for pleasure and some plants are protected by law.
For more information please download the BSBI Code of Conduct PDF document.

Contents

Plant Profile

Flowering Months:
JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC
Order:
Brassicales
Family:
Brassicaceae (Cabbage)
Also in this family:
Alpine Pennycress, Alpine Rock-cress, American Wintercress, Annual Wall Rocket, Austrian Yellowcress, Awlwort, Bastard Cabbage, Black Mustard, Bristol Rock-cress, Charlock, Common Scurvygrass, Common Whitlowgrass, Coralroot, Creeping Yellowcress, Cuckooflower, Dame's-violet, Danish Scurvygrass, Dittander, Early Wintercress, Eastern Rocket, English Scurvygrass, Evergreen Candytuft, False London Rocket, Field Pennycress, Field Pepperwort, Flixweed, Garden Arabis, Garden Candytuft, Garden Cress, Garden Radish, Garden Rocket, Garlic Mustard, Glabrous Whitlowgrass, Gold of Pleasure, Great Yellowcress, Greater Cuckooflower, Greater Periwinkle, Greater Swinecress, Hairy Bittercress, Hairy Rock-cress, Hairy Rocket, Hairy Whitlowgrass, Hedge Mustard, Hoary Cress, Hoary Mustard, Hoary Stock, Hoary Whitlowgrass, Honesty, Horseradish, Hutchinsia, Hybrid Watercress, Intermediate Periwinkle, Isle of Man Cabbage, Large Bittercress, Lesser Swinecress, London Rocket, Lundy Cabbage, Marsh Yellowcress, Mountain Scurvygrass, Narrow-fruited Watercress, Narrow-leaved Bittercress, Northern Rock-cress, Northern Yellowcress, Oilseed Rape, Perennial Rocket, Perennial Wall Rocket, Perfoliate Pennycress, Pinnate Coralroot, Purple Rock-cress, Pyrenean Scurvygrass, Rock Whitlowgrass, Russian Rocket, Scottish Scurvygrass, Sea Kale, Sea Radish, Sea Rocket, Sea Stock, Shepherd's Cress, Shepherd's Purse, Small-flowered Wintercress, Smith's Pepperwort, Steppe Cabbage, Swede, Sweet Alyssum, Tall Rocket, Thale Cress, Tower Mustard, Treacle Mustard, Trefoil Cress, Turnip, Wall Whitlowgrass, Wallflower, Wallflower Cabbage, Warty Cabbage, Watercress, Wavy Bittercress, White Mustard, Wild Cabbage, Wild Candytuft, Wild Radish, Wild Turnip, Wintercress, Woad, Yellow Whitlowgrass
Type:
Flower
Life Cycle:
Annual or Biennial
Maximum Size:
40 centimetres tall
Habitats:
Roadsides, seaside, wasteland.

Flower:
֍
White, 4 petals
 
Small white flowers appearing in terminal clusters at the top of the plant. 2 stamens.
Fruit:
Flattened pods. Notched.
Leaves:
An annual flower with narrowly pinnate lower leaves. The upper leaves are simple and linear, clasping the stems. Erect stems.
Other Names:
Common Pepperwort, Narrow-leaf Pepperwort, Narrow-leaved Peppergrass, Peppergrass, Poor Man's Pepper, Roadside Pepperweed.
Frequency (UK):
Occasionally seen  

Other Information

Summary

Lepidium ruderale, commonly known as common pepperwort or poor man's pepper, is a species of annual herb in the Brassicaceae family. It is native to Europe, Asia and North Africa, and can be found in a variety of habitats such as waste ground, roadsides and coastal areas. The plant has small white or pink flowers and leaves that are variable in shape and size. The leaves and seeds are edible and have a pepper-like flavor and can be used in salads, sandwiches and as a garnish. It's also a medicinal plant that has been used for centuries in traditional medicine for various ailments, but there is limited scientific evidence to support these uses.

Blog

Narrow-leaved Pepperwort, or Lepidium ruderale, is a plant species that belongs to the Brassicaceae family. It is also known by several other names, including Narrow-leaved Peppergrass and Roadside Pepperweed. This plant is native to the Western United States, but it has also been introduced to other parts of the world, such as South America, Europe, and Australia.

Description

Narrow-leaved Pepperwort is an annual or biennial plant that grows up to 40 cm in height. It has narrow, lance-shaped leaves that are up to 10 cm long and 1 cm wide. The flowers are small, white, and arranged in dense clusters at the top of the stem. The plant blooms from May to September, and the fruits are small, round, and flattened, with a diameter of about 2 mm.

Habitat and Distribution

Narrow-leaved Pepperwort is a common weed found in disturbed areas such as roadsides, railway tracks, and waste grounds. It thrives in dry, sandy or gravelly soils and can tolerate a wide range of pH levels. It is commonly found in the Western United States, including California, Nevada, and Utah. It has also been introduced to other parts of the world, such as South America, Europe, and Australia.

Ecological Importance

Narrow-leaved Pepperwort has both positive and negative ecological impacts. On one hand, it can provide food and shelter for pollinators and other insects. On the other hand, it can outcompete native plant species and reduce plant diversity in disturbed areas. It can also disrupt soil nutrient cycling and contribute to soil erosion.

Medicinal Uses

Narrow-leaved Pepperwort has a long history of medicinal use by Native Americans. They used it to treat various ailments, such as stomach disorders, respiratory infections, and fever. The plant is rich in glucosinolates, which have antibacterial and anti-inflammatory properties. It has also been shown to have anti-cancer properties, although more research is needed to confirm this.

Culinary Uses

Narrow-leaved Pepperwort has a pungent, peppery taste, which makes it a popular ingredient in salads and sandwiches. The leaves and young shoots can be eaten raw or cooked. The seeds can also be used as a spice, and they have a similar taste to black pepper.

Narrow-leaved Pepperwort is a common weed found in disturbed areas in the Western United States and other parts of the world. While it can provide some ecological benefits, it can also be invasive and disrupt native plant communities. It has a long history of medicinal and culinary use and is still used today for its antibacterial and anti-inflammatory properties and its pungent flavor.

More Information

Narrow-leaved Pepperwort is a versatile plant with many potential uses. In addition to its medicinal and culinary uses, it has also been studied for its potential as a biofuel crop. The plant is high in oil content and has been found to have potential as a source of biodiesel.

Furthermore, Narrow-leaved Pepperwort has been used in ecological restoration efforts to control erosion and establish vegetation in disturbed areas. Its ability to grow in harsh environments and tolerate a wide range of soil conditions makes it a useful plant for restoration projects.

However, care must be taken when introducing Narrow-leaved Pepperwort to new areas, as it can become invasive and disrupt native ecosystems. It is important to consider the potential ecological impacts before introducing non-native species to new areas.

In addition to its potential as a biofuel crop, Narrow-leaved Pepperwort has also been studied for its potential as a source of natural pesticides. The plant contains glucosinolates, which are toxic to many insect pests. Researchers have found that extracts from Narrow-leaved Pepperwort can be effective at controlling pests such as aphids and spider mites.

Another interesting aspect of Narrow-leaved Pepperwort is its ability to hyperaccumulate heavy metals. This means that the plant can absorb and concentrate high levels of heavy metals such as cadmium and lead from contaminated soils. While this ability can be harmful to the plant itself, it also has potential as a tool for phytoremediation, which is the use of plants to clean up polluted soils.

In addition to its potential practical applications, Narrow-leaved Pepperwort is also a beautiful and interesting plant to observe in its natural habitat. Its delicate white flowers and narrow leaves make it an attractive addition to wildflower meadows and gardens.

Overall, Narrow-leaved Pepperwort is a versatile and fascinating plant with many potential uses and benefits. However, as with all non-native species, it is important to carefully consider the potential ecological impacts before introducing it to new areas.


Some Facts

20 Facts about Narrow-leaved Pepperwort (Lepidium ruderale):

  1. Narrow-leaved Pepperwort is also known as Narrow-leaved Peppergrass and Roadside Pepperweed.
  2. It belongs to the Brassicaceae family.
  3. It is an annual or biennial plant.
  4. It grows up to 40 cm in height.
  5. Its leaves are narrow and lance-shaped, up to 10 cm long and 1 cm wide.
  6. The flowers are small, white, and arranged in dense clusters at the top of the stem.
  7. It blooms from May to September.
  8. The fruits are small, round, and flattened, with a diameter of about 2 mm.
  9. It is native to the Western United States but has been introduced to other parts of the world.
  10. It thrives in dry, sandy or gravelly soils and can tolerate a wide range of pH levels.
  11. It can provide food and shelter for pollinators and other insects.
  12. It can outcompete native plant species and reduce plant diversity in disturbed areas.
  13. It can disrupt soil nutrient cycling and contribute to soil erosion.
  14. It has a long history of medicinal use by Native Americans.
  15. It is rich in glucosinolates, which have antibacterial and anti-inflammatory properties.
  16. It has potential as a biofuel crop due to its high oil content.
  17. It has been studied for its potential as a source of natural pesticides.
  18. It has potential as a tool for phytoremediation, which is the use of plants to clean up polluted soils.
  19. It is a beautiful and interesting plant to observe in its natural habitat.
  20. Care must be taken when introducing it to new areas, as it can become invasive and disrupt native ecosystems.

Narrow-leaved Pepperwort is a plant species that belongs to the Brassicaceae family. It is native to the Western United States but has been introduced to other parts of the world. It is an annual or biennial plant that grows up to 40 cm in height. It has narrow, lance-shaped leaves and small, white flowers arranged in dense clusters at the top of the stem. It has a long history of medicinal use by Native Americans and is rich in glucosinolates, which have antibacterial and anti-inflammatory properties. It has potential as a biofuel crop, source of natural pesticides, and tool for phytoremediation. However, care must be taken when introducing it to new areas, as it can become invasive and disrupt native ecosystems.


Distribution Map

Reproduced by kind permission of the BSBI.

Click to open an Interactive Map