clasping pepperweed

Names and Synonyms

Common Names

• clasping peppergrass
• clasping-leaved peppergrass
• perfoliate peppergrass
• round-leaved peppergrass
• yellow-flowered peppergrass
• Perfoliate Pepperwort
• clasping pepperwort
• clasping-leaved pepper-grass

Scientific Names

Accepted name

Synonyms

• Nasturtium perfoliatum
• Crucifera diversifolia

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. It is further classified within the order Brassicales and the family Brassicaceae. Ultimately, it is identified by its genus, Lepidium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad presence across various regions of the European continent. In Northern Europe, its distribution includes Denmark, Great Britain, and Ireland. Moving toward the central regions, the species can also be found throughout Middle Europe. Specifically, it is documented to grow within the borders of Austria. Additionally, its geographical range extends into Belgium, marking its presence in Middle Europe.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lepidium perfoliatum is characterized by a broad altitudinal distribution and a versatile adaptability to diverse environmental conditions. This species thrives across a significant elevational range, extending from sea level (0 m AMSL) up to a maximum of 2000 m AMSL, with a mean elevational occurrence centered around 1000 m AMSL. Its habitat preferences are quite varied, allowing it to colonize a range of landscapes including fertile crop fields, rolling hills, and open steppe environments. Notably, the plant demonstrates a specialized tolerance for saline places, indicating an ability to persist in high-salinity soils where other vegetation might struggle to survive.

Elevational range max:

2000 m AMSL

Elevational range mean:

1000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

crop fields, hills, saline places, steppe

Life history

The life history of Lepidium perfoliatum is characterized by an annual lifecycle, meaning it completes its entire developmental process from germination to seed production within a single growing season. Functionally, this species is classified as a therophyte, a life form defined by plants that survive unfavorable seasons as ephemeral seeds, allowing them to rapidly exploit available resources during favorable periods. This strategy is consistent across its biological classification, as it maintains a therophyte growth habit, ensuring that the plant remains small and transient, focusing its energy on rapid maturation and reproductive success before the onset of environmental stress.

Life form :

therophyte

Lifecycle :

annual

Morphology

The morphology of Lepidium perfoliatum is characterized by its growth form as a non-woody herb and forb. It is a self-supporting plant that does not function as a climber, liana, or vine, and it grows as an independent organism rather than a parasite or epiphyte. The plant is strictly terrestrial in its habitat and maintains a relatively low stature, with a plant height ranging from a minimum of 0.08 m to a maximum of 0.4 m, resulting in a mean plant height of approximately 0.225 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height max:

0.4 m

Plant height mean:

0.225 m

Plant height min:

0.08 m

Woodiness :

non-woody

Physiology

The physiology of Lepidium perfoliatum is characterized by its specialized metabolic and morphological adaptations, functioning through a C3 photosynthetic pathway. As a non-carnivorous species, it relies entirely on traditional autotrophic nutrient acquisition rather than the capture of prey. The plant's vegetative structure is defined by its leaf dimensions, which exhibit significant variability; leaf length typically ranges from a minimum of 1.5 cm to a mean of 2.25 cm, reaching a maximum length of 10 cm. Complementing these length variations, the leaf width is relatively narrow, spanning from a minimum of 0.4 cm to a maximum of 1.5 cm, contributing to the plant's specific architectural profile.

Carnivory :

non-carnivorous

Leaf length max:

10 cm

Leaf length mean:

2.25 cm

Leaf length min:

1.5 cm

Leaf width max:

1.5 cm

Leaf width min:

0.4 cm

Photosynthetic pathway :

C3

Reproduction

The reproductive cycle of Lepidium perfoliatum is characterized by a flowering period that typically begins in April and concludes in July, though the timing can be variable. The plant utilizes biotic pollination, specifically relying on insects to facilitate the transfer of pollen. Reproduction is primarily sexual, as asexual reproduction is absent, and the species is capable of self-fertilization. Following successful pollination, the plant develops fruit in the form of a capsule. These capsules are dehiscent, meaning they split open to release the seeds. The fruits are relatively small, with a mean length and width of 0.375 cm, ranging in length from a minimum of 0.3 cm to a maximum of 0.45 cm, and in width from 0.3 cm to 0.45 cm. The resulting seeds are minute, possessing a mean mass of 0.000853 g, with individual seed weights ranging from a minimum of 0.00076 g to a maximum of 0.001046 g. Finally, the dispersal of these seeds is classified as anthropochorous, suggesting they are spread through human activity.

Dehiscence :

dehiscent

Dispersal syndrome :

anthropochorous

Flowering time :

Apr

Flowering time :

Jul

Fruit length max:

0.45 cm

Fruit length mean:

0.375 cm

Fruit length min:

0.3 cm

Fruit type :

capsule

Fruit width max:

0.45 cm

Fruit width mean:

0.375 cm

Fruit width min:

0.3 cm

Pollination syndrome :

insect

Pollination syndrome :

biotic

Reproduction asexual :

absent

Seed mass max:

0.001046 g

Seed mass mean:

0.000853 g

Seed mass min:

0.00076 g

Self fertilization :

present

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Lepidium perfoliatum has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include seed.

Seed

1. Advanced biomedical research

Activities

Lepidium perfoliatum has 6 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Analgesic, Anthelmintic, Antibacterial, Antitumor, Irritant.

Analgesic

1. International journal of biomaterials

Anthelmintic

1. International journal of biomaterials

Antibacterial

1. International journal of biomaterials

Antitumor

1. International journal of biomaterials

Irritant

1. International journal of biomaterials

Laxative

1. International journal of biomaterials

Medicinal Uses

Lepidium perfoliatum has 5 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include Toxoplasma gondii, analgesic, anthelmintic, irritant, laxative.

Most Reported Uses

Preparations