Persicaria runcinata
Persicaria runcinata, commonly known as knotweed or curled bistort, is a resilient herbaceous perennial valued for its distinctive, deeply lobed foliage. Traditionally used in herbal medicine, this plant contains bioactive compounds believed to support digestive health and reduce inflammation, making it a significant subject in ethnobotanical studies worldwide.
- Scientific name: Persicaria runcinata
- Family: Polygonaceae
- Native range: Europe
Taxonomical Classification
This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it falls under the order Caryophyllales and the family Polygonaceae. Finally, it is categorized under the genus Persicaria.
| Rank | Classification | Source |
|---|---|---|
| Kingdom | Plantae | WCVP |
| Phylum | Streptophyta | WCVP |
| Class | Equisetopsida | WCVP |
| Subclass | Magnoliidae | WCVP |
| Order | Caryophyllales | WCVP |
| Family | Polygonaceae | WCVP |
| Genus | Persicaria | WCVP |
Common Names
This plant, known scientifically as Persicaria runcinata, is recognized by various common names depending on the region and language. In Chinese, it is referred to as 羽叶蓼 (Yǔyèliǎo) in Simplified Chinese (zh-hans), Mainland China (zh-cn), and in the standard Mandarin used in Taiwan (zh). Within Taiwan specifically, it is also commonly called 玉山蓼 (Yùshānlìào) or 散血丹 (Sànxuèdān).| Language | Common Name | Source |
|---|---|---|
| zh-tw | 散血丹 | Wikidata |
| zh | 羽叶蓼 | Wikidata |
| zh-hans | 羽叶蓼 | Wikidata |
| zh-cn | 羽叶蓼 | Wikidata |
| zh-tw | 玉山蓼 | Wikidata |
| pl | Rdest piłkowany | Wikidata |
Distribution
This plant exhibits a diverse geographical range spanning several distinct regions. In Northern Europe, its presence is specifically noted within Great Britain. Its distribution extends into the Caucasus region, particularly throughout the Transcaucasus area. Within China, it can be found across three major zones: South-Central, North-Central, and Southeast. This wide-reaching pattern demonstrates the plant's ability to thrive in various continental environments.
| Region | Area | Source |
|---|---|---|
| Northern Europe | Great Britain | WCVP |
| Caucasus | Transcaucasus | WCVP |
| China | China South-Central | WCVP |
| China | China North-Central | WCVP |
| China | China Southeast | WCVP |
| China | Tibet | WCVP |
| Eastern Asia | Taiwan | WCVP |
| Indian Subcontinent | Assam | WCVP |
| Indian Subcontinent | East Himalaya | WCVP |
| Indian Subcontinent | Nepal | WCVP |