Elymus repens
Couch grass
Elymus repens, commonly known as couch grass or quackgrass, is a resilient perennial herb found globally. While often viewed as a persistent weed in agriculture, it holds significant medicinal value. Traditionally, its rhizomes have been utilized in herbal medicine to treat inflammatory conditions, digestive issues, and various skin ailments.
- Scientific name: Elymus repens
- Family: Poaceae
- Native range: Europe
Taxonomical Classification
This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Poales, it is classified under the family Poaceae. Finally, it is identified by the genus Elymus.
| Rank | Classification | Source |
|---|---|---|
| Kingdom | Plantae | WCVP |
| Phylum | Streptophyta | WCVP |
| Class | Equisetopsida | WCVP |
| Subclass | Magnoliidae | WCVP |
| Order | Poales | WCVP |
| Family | Poaceae | WCVP |
| Genus | Elymus | WCVP |
Common Names
This plant, known scientifically as Elymus repens, is recognized by various regional names across different languages. In West Slavic contexts, it is referred to as perz właściwy in Polish, while in Hungarian, it is called tarackbúza. Its names also vary significantly in the Baltic and Uralic regions, where it is known as Ložņu vārpata in Latvian, Påne in West Slavic dialects (wa), and Ожмонтурын in Udmurt.| Language | Common Name | Source |
|---|---|---|
| wa | Påne | Wikidata |
| pl | perz właściwy | Wikidata |
| udm | Ожмонтурын | Wikidata |
| hu | tarackbúza | Wikidata |
| lv | Ložņu vārpata | Wikidata |
| li | Smeelj | Wikidata |
| et | Harilik orashein | Wikidata |
| de | Kriech-Quecke | Wikidata |
| ja | シバムギ | Wikidata |
| sh | Pirevina | Wikidata |
Distribution
This plant exhibits a distinct geographical distribution centered across the northern reaches of Europe. It can be found growing in the coastal and inland regions of Denmark. The species also populates the landscapes of Finland and the islands of Føroyar. Furthermore, its presence extends to the territories of Great Britain. Finally, the distribution concludes with its occurrence in Iceland.
| Region | Area | Source |
|---|---|---|
| Northern Europe | Denmark | WCVP |
| Northern Europe | Finland | WCVP |
| Northern Europe | Føroyar | WCVP |
| Northern Europe | Great Britain | WCVP |
| Northern Europe | Iceland | WCVP |
| Northern Europe | Ireland | WCVP |
| Northern Europe | Norway | WCVP |
| Northern Europe | Sweden | WCVP |
| Middle Europe | Austria | WCVP |
| Middle Europe | Belgium | WCVP |
Plant Parts
This plant, known commonly as couch grass, possesses a highly resilient structure characterized by its extensive underground system and vigorous growth. The primary medicinal and structural components include the creeping rhizome, which spreads through the soil to form a dense network, and the aerial part, which consists of the leafy green shoots that emerge above the ground. Together, these parts allow the plant to thrive in various environments and serve as the basis for its various botanical applications.- Total parts
- 2
- Scientific sources
- 2
| Plant Part | Sources | Confidence |
|---|---|---|
| rhizome | 1 | ★☆☆☆☆ |
| aerial part | 1 | ★☆☆☆☆ |
Activities
Elymus repens has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antiadhesive.
- Total activities
- 1
- Scientific sources
- 1
Most Reported Activities
| Activity | Sources | Confidence |
|---|---|---|
| Antiadhesive | 1 | ★☆☆☆☆ |