botanical record · discovered

Common Smartweed

Polygonum hydropiper

Common Smartweed · Catays · Duizendknoop · Knotweed · Knotweed, Smartweed · Knöterich · Knöteriche · Persicaire · Persicaire, Renouée · Persicarias and Waterpeppers · Pileurt · Pileurt (Persicaria-slægten) · Rūgtis · Slangwortels · Smartweed · Snakeroots · bistorts · chilillos o sangrinas

At a glance

Origin / distribution: China, Belgium, Turkey, US, Spain, USSR, Norway, Europe

Cultural traditions: not documented

Recorded uses: Arthralgia, Cancer, Carminative, CNS stimulant

Science studied: BALDRIANIC-ACID, CAPRIONIC-ACID, CINNAMIC-ACID-METHYL-ESTER, CONFERTIFLORIN

Research volume: 0 indexed records · volume only · methodology ↗

Legal status: Varies by jurisdiction; not assessed in this record.

Names and identity

Family: Polygonaceae

Scientific name: Polygonum hydropiper

Common names: Common Smartweed, Catays, Duizendknoop, Knotweed, Knotweed, Smartweed, Knöterich, Knöteriche, Persicaire, Persicaire, Renouée, Persicarias and Waterpeppers, Pileurt, Pileurt (Persicaria-slægten), Rūgtis, Slangwortels, Smartweed, Snakeroots, bistorts, chilillos o sangrinas

History

The source record documents this plant in China, Belgium, Elsewhere, Turkey, US, Spain, USSR, Norway and 5 additional places.

It records these historical or traditional applications:

Arthralgia
Cancer
Carminative
CNS stimulant
Contraceptive
Detersive
Diuretic
Dysentery

show 33 more documented entries

Emmenagogue
Enterorrhagia
Hemostat
Itch
Larvicide
Lithontriptic
Repellant(Insect)
Rheumatism
Rubefacient
Sedative
Skin
Stimulant
Stomatitis
Styptic
Sudorific
Tonic
Ache(Tooth)
Tumor
Uteritis
Uterotonic
Vermifuge
Bactericide
Antiseptic
Insectifuge
Kidney
Medicine
Piscicide
Uterus
Vasoconstrictor
Wound
Diarrhea
Heatstroke
Poison

This summary is limited to the cited source record.

Origins and distribution

China
Belgium
Elsewhere
Turkey
US
Spain
USSR
Norway
Europe
Java
Mexico
UK

show 1 more documented entries

US(Appalachia)

Documented cultural uses

Arthralgia
Cancer
Carminative
CNS stimulant
Contraceptive
Detersive
Diuretic
Dysentery
Emmenagogue
Enterorrhagia
Hemostat
Itch

show 29 more documented entries

Larvicide
Lithontriptic
Repellant(Insect)
Rheumatism
Rubefacient
Sedative
Skin
Stimulant
Stomatitis
Styptic
Sudorific
Tonic
Ache(Tooth)
Tumor
Uteritis
Uterotonic
Vermifuge
Bactericide
Antiseptic
Insectifuge
Kidney
Medicine
Piscicide
Uterus
Vasoconstrictor
Wound
Diarrhea
Heatstroke
Poison

Cultural record detail

These entries are transcribed from the cited ethnobotanical source; they do not represent current advice or a claim of efficacy.

Arthralgia · China · "
Cancer · Belgium · "
Carminative · Elsewhere · "
CNS stimulant · Elsewhere · "
Contraceptive · Elsewhere · "
Detersive · Turkey · "
Diuretic · Elsewhere · "
Diuretic · US · "
Diuretic · Turkey · "
Dysentery · China · "
Emmenagogue · Elsewhere · "
Enterorrhagia · US · "
Hemostat · US · "
Hemostat · Spain · "
Itch · China · "
Larvicide · Elsewhere · "
Lithontriptic · Elsewhere · "
Repellant(Insect) · Elsewhere · "
Rheumatism · China · "
Rubefacient · Turkey · "
Sedative · USSR · "
Skin · Elsewhere · "
Stimulant · Turkey · "
Stomatitis · US · "

28 additional documented entries remain in the source record.

Contemporary uses

Contemporary practice is not documented separately in this record.

Scientific research

Indexed records indicate research activity; they do not establish efficacy or safety.

Indexed research records

Gastroprotective effect of Daphniphyllum calycinum Benth.-Polygonum hydropiper L. against gastric mucosal injury through autophagy activation and apoptosis suppression. · 2026 source ↗
Effects of normal butanol fraction of flavonoids from Polygonum hydropiper L. on PRV-induced oxidative stress and prediction of lncRNA regulatory targets in 3D4/2 cells. · 2026 source ↗
Physicochemical, Phytochemical, and Toxicological Assessment of Agrimonia pilosa, Calendula arvensis, and Polygonum hydropiper Tinctures with Hypoglycemic Potential. · 2026 source ↗