Persicaria stagnina

Persicaria stagnina, commonly known as Water Knotweed, is a perennial aquatic herb native to wetland ecosystems. Characterized by its distinctive creeping rhizomes and small, delicate flowers, this plant thrives in stagnant or slow-moving waters. It plays a vital role in stabilizing aquatic habitats and supporting local biodiversity within wetlands.

  • Scientific name: Persicaria stagnina
  • Family: Polygonaceae
  • Native range: Asia-Tropical

Taxonomical Classification

This plant belongs to the kingdom Plantae within the phylum Streptophyta and the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Caryophyllales. Ultimately, it is a member of the family Polygonaceae within 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 stagnina, is referred to by several different common names depending on the region and language. In English, it is frequently called water smartweed, while in German, it is known as Sumpf-Knopf auf. In its native or localized contexts, it may also be identified as Sumpf-Knopf auf in German or simply by its descriptive characteristics in various botanical texts.
Language Common Name Source

Distribution

This plant, known scientifically as Persicaria stagnina, exhibits a specific distribution across the Indian Subcontinent. It can be found growing within the diverse landscapes of India and its neighboring country, Bangladesh. Its range also extends into the mountainous regions of the East Himalaya. Furthermore, the species is documented to inhabit parts of Pakistan. Finally, the plant has a notable presence in the specific region of Assam.

Region Area Source
Indian Subcontinent Assam WCVP
Indian Subcontinent Bangladesh WCVP
Indian Subcontinent East Himalaya WCVP
Indian Subcontinent India WCVP
Indian Subcontinent Pakistan WCVP
Indian Subcontinent West Himalaya WCVP
Indo-China Myanmar WCVP
Indo-China Thailand WCVP
Malesia Malaya WCVP

Chemicals

Persicaria stagnina has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include stagninol.

Total chemicals
1
Scientific sources
1

Most Reported Compounds

Compound Sources Confidence
stagninol 1 ★☆☆☆☆

Activities

Persicaria stagnina has 3 reported activities identified across 4 scientific publications and several other databases. The most consistently reported activities include Analgesic, Antiinflammatory, Diuretic.

Total activities
3
Scientific sources
4

Most Reported Activities

Activity Sources Confidence
Analgesic 2 ★☆☆☆☆
Antiinflammatory 1 ★☆☆☆☆
Diuretic 1 ★☆☆☆☆

Medicinal Uses

Persicaria stagnina has 2 reported medicinal uses identified across 2 scientific publications and several other databases. The most consistently reported uses include analgesic, diuretic.

Total uses
2
Scientific sources
2

Most Reported Uses

Use Sources Confidence
analgesic 1 ★☆☆☆☆
diuretic 1 ★☆☆☆☆