botanical record · discovered
Japanese Knotweed
Fallopia japonica
Japanese Knotweed · Giant Knotweed · Mexican Bamboo · Hu-Zhang · Japan-Knöterich · Japanese knotweed · Japanischer Flügelknöterich · Japanischer Staudenknoeterich · Japanischer Staudenknöterich · Japanse duizendknoop · Japoninė reinutrė · Poligono del Giappone · Rdestowiec japoński · Renouée du Japon · Renouée du Japon, Reynoutrie du Japon, Fallopie du Japon · Renouée du japon · Spiessknöterich
At a glance
Origin / distribution: AL, AT, AU, BE, BG, BY, CA, CH
Cultural traditions: not documented
Recorded uses: not documented
Science studied: ARSENIC, BARIUM, CALCIUM, CHLORINE
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: Fallopia japonica
Common names: Japanese Knotweed, Giant Knotweed, Mexican Bamboo, Hu-Zhang, Japan-Knöterich, Japanese knotweed, Japanischer Flügelknöterich, Japanischer Staudenknoeterich, Japanischer Staudenknöterich, Japanse duizendknoop, Japoninė reinutrė, Poligono del Giappone, Rdestowiec japoński, Renouée du Japon, Renouée du Japon, Reynoutrie du Japon, Fallopie du Japon, Renouée du japon, Spiessknöterich
History
The source record documents this plant in AL, AT, AU, BE, BG, BY, CA, CH.
Documented historical or traditional applications are not available in this record.
This summary is limited to the cited source record.
Origins and distribution
- AL
- AT
- AU
- BE
- BG
- BY
- CA
- CH
Documented cultural uses
not documented in this 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
- Stable isotopes as a tool towards a better understanding of the biogeochemical traits of invasive <i>Fallopia japonica</i>. · 2025 source ↗
- Proteolytic Activity Inhibition in Gingival Fluid by Cysteine Protease Inhibitors Obtained from Egg White and <i>Fallopia japonica</i> Extract: An In Vitro Study. · 2025 source ↗
- Unraveling the Physicochemical, Nutritional and Antioxidant Properties of the Honey Produced from the <i>Fallopia japonica</i> Plant. · 2024 source ↗
Scientific compounds
Chemical presence is not evidence of clinical efficacy.
- ARSENIC
- BARIUM
- CALCIUM
- CHLORINE
- CHRYSOPHANOL
- COPPER
- EMODIN-8-BETA-D-GLUCOSIDE
- IODINE
- ISOQUERCITRIN
- LEAD
- MOLYBDENUM
- NICKEL
- PHOSPHORUS
- PICEID
- PLASTOQUINONE-B
- PLASTOQUINONE-C
show 40 more documented entries
- POLYDATOSIDE
- POTASSIUM
- RESVERATROL-3-MONOGLUCOSIDE
- REYNOUTRIN
- STRONTIUM
- SULFUR
- TANNIN
- ZINC
- POLYGONIN
- RESVERATROL
- RUTIN
- BROMINE
- CHROMIUM
- EMODIN
- IRON
- MANGANESE
- PHYSCION-8-BETA-D-GLUCOSIDE
- POLYDATIN
- QUERCITRIN
- RUBIDIUM
- TITANIUM
- CITREOROSEIN
- EMODIN-8-GLUCOSIDE
- FALLACINOL
- PHYSCION-8-GLUCOSIDE
- POLYSACCHARIDES
- PROTOCATECHUIC-ACID
- QUESTIN
- QUESTINOL
- STILBENES
- TORACHRYSONE-8-O-D-GLUCOSE
- TORACHRYSONE-8-O-D-GLUCOSE-9-PENTACETATE
- ANTHRAQUINONES
- (+)-CATECHIN
- 2,5-DIMETHYL-7-HYDROXYCHROMONE
- 2,5-DIMETHYL-7-HYDROXYCHROMONE-7-MONOACETATE
- 7-HYDROXY-4-METHOXY-5-METHYLCOUMARIN
- 7-HYDROXY-4-METHOXY-5-METHYLCOUMARIN-8-MONOACETATE
- 2-METHOXY-6-ACETYL-7-METHYL-JUGLONE
- 2-METHOXY-6-ACETYL-7-METHYL-JUGLONE-MONOACETATE
Legality
No exact international trade listing was returned by the CITES checklist for this accepted name. Country-specific law is not assessed here.
Consult the CITES species checklist for current international and national requirements.
Reference images

Sources
Dr. Duke's Phytochemical and Ethnobotanical Databases · CC0
GBIF Backbone Taxonomy · CC BY 4.0
show claim source mapping
CC0 · Dr. Duke raw CSV archive
Contributions and revisions
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