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Perfoliate Pennycress

Microthlaspi perfoliatum

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, Narrow-leaved Pepperwort, Northern Rock-cress, Northern Yellowcress, Oilseed Rape, Perennial Rocket, Perennial Wall Rocket, 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
Maximum Size:
30 centimetres tall
Habitats:
Fields, grassland, roadsides, rocky places, wasteland.

Flower:
֍
White, 4 petals
 
Flowers are arranged in dense, terminal clusters, about 4 inches long (10cm). Flowers measure 2 or 3mm across. Yellow anthers. Pollinated by bees and flies.
Fruit:
Flattened, globular seed pods with short styles. The seeds ripen from July to September.
Leaves:
A greyish annual flower which is a Cotswold speciality. It's basal leaves are hairless and oval to heart-shaped. The rest of the leaves are oblong in shape, about 1.5 inches (3.75cm) long and alternate along the stems. The stems are light green, hairless and round in cross-section. It can be distinguished by it's leaf bases in that they almost encircle their stems. The leaves are occasionally slightly toothed. Found in old quarries, or other grassy or bare places on limestone. The similar looking Field Pennycress (Thlaspi arvense) is much more common than Perfoliate Pennycress.
Other Names:
Clasping Pennycress, Claspleaf Pennycress, Cotswold Pennycress, Perforate Penny-cress, Tower Mustard.
Frequency (UK):
Rarely seen  

Similar Species

Other Information

Summary

Microthlaspi perfoliatum, also known as perfoliate pennycress, is a small annual or perennial herb that is native to Europe and Asia. It typically grows to be about 12 inches tall, and has small, white or pale-pink flowers that bloom in the spring and summer. The leaves are deeply lobed and are typically a pale green color. The leaves appear to be perforated by the stem, thus the name perfoliate. This plant is typically found in disturbed areas such as field margins, roadsides, and waste ground. It is tolerant of a wide range of soil conditions, including acidic, alkaline, and saline soils. It is also known for its ability to tolerate heavy metal pollution, which makes it a useful plant for phytoremediation projects.

Blog

Perfoliate Pennycress (Microthlaspi perfoliatum) is a small, annual herbaceous plant that belongs to the Brassicaceae family. It is native to Europe, Asia, and North Africa but has been introduced to other parts of the world as well. This plant is also known by several other common names such as Clasping Pennycress, Tower Mustard, and Perforate Penny-cress.

The name "Perfoliate" comes from the plant's unique leaf structure, where the stem appears to pierce through the leaf blade, giving the impression of a perforated leaf. The leaves are lance-shaped, glossy, and waxy, which helps them retain water in dry environments. The plant can grow up to 30 centimeters tall and has a slender, branching stem with small white or yellow flowers that bloom in spring and early summer.

Perfoliate Pennycress is a common weed in agricultural areas and can be found growing along roadsides, in waste areas, and in disturbed soils. It is considered a problematic weed in some areas due to its ability to outcompete native vegetation and disrupt ecological balance. However, the plant is also of great importance to the environment and human health.

The plant is known to be a bioaccumulator, meaning that it has the ability to accumulate heavy metals and other pollutants from the soil. It has been used for phytoremediation, the process of using plants to remove contaminants from the soil. Additionally, Perfoliate Pennycress has been used in traditional medicine to treat several ailments, including bronchitis, rheumatism, and fever.

Perfoliate Pennycress is also of great importance in the agricultural industry. It is a valuable forage crop for livestock and can be used to supplement feed during winter months when other forage is scarce. It is also a potential crop for the production of biofuels and has been found to have a high oil content, making it a promising source of biodiesel.

Perfoliate Pennycress has also shown promise in the field of phytomining, which involves using plants to extract valuable minerals from the soil. The plant has been found to be particularly efficient at extracting nickel from the soil, which can then be harvested and used in various industries.

Beyond its practical uses, Perfoliate Pennycress also has cultural significance. In traditional folklore, it was believed that wearing a garland made from the plant would bring good luck and protect against evil spirits. The plant has also been used in art and literature, with famous painters such as Vincent van Gogh and Claude Monet featuring it in their works.

One interesting feature of Perfoliate Pennycress is its ability to change its leaf shape in response to environmental factors such as light intensity and temperature. In low light conditions, the leaves become more rounded, while in high light conditions, they become more elongated and perforated. This ability to adjust its morphology allows the plant to better adapt to its surroundings and maximize its photosynthetic efficiency.

Despite its potential benefits, Perfoliate Pennycress is still considered a weed in many areas and can negatively impact native ecosystems. As with any invasive species, it is important to monitor its spread and take steps to control its growth if necessary.

Recent research has also suggested that Perfoliate Pennycress may have potential as a biopesticide. The plant produces a compound called glucosinolate, which is toxic to certain insect pests. This natural insecticide has the potential to provide an environmentally friendly alternative to synthetic pesticides, which can have negative impacts on human health and the environment.

Perfoliate Pennycress is also a popular plant among gardeners, as it is easy to grow and adds visual interest to gardens with its unique leaf structure and delicate flowers. It is a hardy plant that can tolerate a wide range of growing conditions, making it a versatile addition to any garden.

Finally, Perfoliate Pennycress is a plant that can help to address important environmental issues such as pollution, soil degradation, and climate change. Its ability to accumulate heavy metals and extract valuable minerals from the soil make it a valuable tool for phytoremediation and phytomining. Its potential as a biofuel and biopesticide also make it a promising candidate for sustainable agriculture and pest control.

In conclusion, Perfoliate Pennycress is a fascinating plant with a wide range of potential uses and benefits. From its ability to remove pollutants from the soil to its potential as a biopesticide, this plant has a lot to offer. While it can be a problematic weed in some areas, it is important to recognize and support its potential as a valuable and versatile plant for human and environmental health.


Facts about Perfoliate Pennycress

here are some facts about Perfoliate Pennycress:

  • Perfoliate Pennycress is a small annual herbaceous plant belonging to the Brassicaceae family.
  • It is native to Europe, Asia, and North Africa, but has been introduced to other parts of the world as well.
  • The plant is also known by several other common names such as Clasping Pennycress, Tower Mustard, and Perforate Penny-cress.
  • The name "Perfoliate" comes from the plant's unique leaf structure, where the stem appears to pierce through the leaf blade, giving the impression of a perforated leaf.
  • The leaves are lance-shaped, glossy, and waxy, which helps them retain water in dry environments.
  • The plant can grow up to 30 centimeters tall and has a slender, branching stem with small white or yellow flowers that bloom in spring and early summer.
  • Perfoliate Pennycress is a common weed in agricultural areas and can be found growing along roadsides, in waste areas, and in disturbed soils.
  • The plant is known to be a bioaccumulator, meaning that it has the ability to accumulate heavy metals and other pollutants from the soil.
  • It is also a valuable forage crop for livestock and can be used to supplement feed during winter months when other forage is scarce.
  • Perfoliate Pennycress has been found to have a high oil content, making it a promising source of biodiesel.
  • The plant has been used in traditional medicine to treat several ailments, including bronchitis, rheumatism, and fever.
  • Perfoliate Pennycress is a plant that can help to address important environmental issues such as pollution, soil degradation, and climate change.
  • The plant produces a compound called glucosinolate, which is toxic to certain insect pests and has the potential to provide an environmentally friendly alternative to synthetic pesticides.
  • It is a hardy plant that can tolerate a wide range of growing conditions, making it a versatile addition to any garden.

Distribution Map

Reproduced by kind permission of the BSBI.

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