Common products: Excised leaf discs and tannin-rich extracts are used in bioassays to quantify condensed tannins and assess protein precipitation capacity; methyl jasmonate-enriched extracts serve as research reagents to study jasmonate signaling and induced plant defense.

Industrial and craft applications: In plant pathology and ecology, R. sachalinensis is used as a diagnostic host plant to rear and maintain the biological control insect Aphalara itadori, supporting monitoring and evaluation programs for invasive knotweed management; excised leaf discs function as in vitro experimental platforms to measure host-quality and tannin-mediated anti-herbivore effects.

Fragrance and cosmetics: No documented uses in fragrance or cosmetic formulation.

Properties relevant to use: Leaves contain high levels of condensed tannins (proanthocyanidins) that precipitate proteins, enabling quantitative bioassays; excised-leaf systems provide standardized, physiologically active tissue for jasmonate and herbivory-response research; leaves and stems contain polydatin and emodin, major phenylpropanoids that inform mechanistic studies of induced resistance and plant defense signaling.

Standards and regulation: Not applicable.

Sustainability and sourcing: Research materials are obtained from local invasive populations and cultivated plants where the species is widespread; wild collection is conducted as part of invasive management and biocontrol programs, minimizing ecological risk.

Synonyms Top

Scientific name	Authority	First published in
Tiniaria sachalinensis	(F.Schmidt) Janch.	Phyton (Horn) 2: 75 (1950)
Polygonum sachalinense	F.Schmidt	Mém. Acad. Imp. Sci. St.-Pétersbourg Divers Savans 9: 233 (1859)

Common names Top

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Filter by language:

Language	Common/alternative name
English	giant knotweed
Czech	křídlatka sachalinská
Welsh	y glymog fawr
Danish	kæmpepileurt
German	sachalin-staudenknöterich
Estonian	sahhalini pargitatar
Finnish	jättitatar
Finnish	sahalinintatar
Finnish	fallopia sachalinensis
Hungarian	óriás japánkeserűfű
Icelandic	risasúra
Japanese	オオイタドリ
Lithuanian	sachalininis pelėvirkštis
Latvian	sahalīnas dižsūrene
Norwegian Bokmål	kjempeslirekne
Polish	rdestowiec sachaliński
Russian	Горец сахалинский
Russian	Гречиха сахалинская
Russian	Гречишка сахалинская
Russian	Рейноутрия сахалинская
Russian	Сахалинская гречиха
Russian	Рейнутрия сахалинская
Swedish	jätteslide
Vietnamese	fallopia sachalinensis
Chinese	库页虎杖

Subspecies (abbr. subsp./ssp.) Top

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No subspecies added yet.

Varieties (abbr. var.) Top

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Subvarieties (abbr. subvar.) Top

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Forms (abbr. f.) Top

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No forms added yet.

Germination/Propagation Top

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No germination or propagation data was added yet.

Distribution (via POWO/KEW) Top

Legend for the distribution data:

- Doubtful data

- Extinct

- Introduced

- Native

Africa click to expand
- Southern Africa
  - Kwazulu-Natal

Asia-temperate click to expand
- Caucasus
  - North Caucasus
- Eastern Asia
  - Japan
  - Korea
- Russian Far East
  - Kuril Islands
  - Primorye
  - Sakhalin

Australasia click to expand
- New Zealand
  - New Zealand North
  - New Zealand South

Europe click to expand
- Eastern Europe
  - Baltic States
  - Central European Russia
  - Ukraine
- Middle Europe
  - Austria
  - Belgium
  - Czechoslovakia
  - Germany
  - Netherlands
  - Poland
- Northern Europe
  - Denmark
  - Finland
  - Great Britain
  - Ireland
  - Norway
  - Sweden
- Southeastern Europe
  - Bulgaria
  - Romania
- Southwestern Europe
  - France

Northern America click to expand
- Eastern Canada
  - New Brunswick
  - Newfoundland
  - Nova Scotia
  - Ontario
  - Prince Edward Island
  - Québec
- North-central U.S.A.
  - Illinois
  - Minnesota
  - Wisconsin
- Northeastern U.S.A.
  - Connecticut
  - Maine
  - Massachusetts
  - Michigan
  - New Hampshire
  - New Jersey
  - New York
  - Ohio
  - Pennsylvania
  - Rhode Island
  - Vermont
  - West Virginia
- Northwestern U.S.A.
  - Idaho
  - Montana
  - Oregon
  - Washington
- Southeastern U.S.A.
  - Delaware
  - Kentucky
  - Louisiana
  - Maryland
  - North Carolina
  - Tennessee
  - Virginia
- Southwestern U.S.A.
  - California
- Western Canada
  - British Columbia

Links to other databases Top

Suggest others/fix!

Database	ID/link to page
World Flora Online	wfo-0000404398
Canadensys	19072
Tropicos	26001211
INPN	117505
Flora of Italy	391
KEW	urn:lsid:ipni.org:names:696697-1
The Plant List	kew-2425431
Observations.org	142185
Nature Serve	2.151038
IPNI	696697-1
iNaturalist	593040
GBIF	2889088
Freebase	/m/02qrfvm
Elurikkus	6779
USDA GRIN	409769
Wikipedia	Reynoutria_sachalinensis
Open Tree Of Life	132240
Plantarium	31626

Genomes (via NCBI) Top

No reference genome is available on NCBI yet. We are constantly monitoring for new data.

Scientific Literature Top

Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!

Title

Authors

Publication

Released

IDs

Phenylacetonitrile from the giant knotweed, Fallopia sachalinensis, infested by the Japanese beetle, Popillia japonica, is induced by exogenous methyl jasmonate.

Noge K, Abe M, Tamogami S

Molecules

03-Aug-2011

PMCID:	PMC6264294
doi:	10.3390/MOLECULES16086481
PMID:	21814160

A flavonoid glycoside from the leaves ofPolygonum sachalinense (II)

Sam Sik Kang, Won Sick Woo

Springer Science and Business Media LLC

31-May-2008

doi:	10.1007/BF02856358

beta-Glucosidase inhibitory activities of phenylpropanoid glycosides, vanicoside A and B from Polygonum sachalinense rhizome.

Kawai Y, Kumagai H, Kurihara H, Yamazaki K, Sawano R, Inoue N

Fitoterapia

01-Sep-2006

doi:	10.1016/J.FITOTE.2006.05.008
PMID:	16828242

Antioxidant activity of anthraquinones and flavonoids from flower of Reynoutria sachalinensis.

Zhang X, Thuong PT, Jin W, Su ND, Sok DE, Bae K, Kang SS

Arch Pharm Res

01-Jan-2005

doi:	10.1007/BF02975130
PMID:	15742803

Allelochemicals fromPolygonum sachalinense Fr. Schm. (Polygonaceae).

Inoue M, Nishimura H, Li HH, Mizutani J

J Chem Ecol

01-Oct-1992

doi:	10.1007/BF02751107
PMID:	24254724

Phytochemical Profile Top

Add a new one!

Below are displayed the proven (via scientific papers) natural compounds!
You can also contribute to this by clicking here.

Name	PubChem ID	Canonical SMILES	MW	Found in	Proof
> Benzenoids / Anthracenes / Anthraquinones
Physcion	10639	Click to see	284.26	unknown	https://doi.org/10.1007/BF02751107
> Benzenoids / Anthracenes / Anthraquinones / Hydroxyanthraquinones
Emodin	3220	Click to see	270.24	unknown	https://doi.org/10.1007/BF02751107
Emodin 1-O-beta-D-glucoside	5319333	Click to see CC1=CC2=C(C(=C1)OC3C(C(C(C(O3)CO)O)O)O)C(=O)C4=C(C2=O)C=C(C=C4O)O	432.40	unknown	https://doi.org/10.1007/BF02751107
> Benzenoids / Benzene and substituted derivatives / Benzyl cyanides
Phenylacetonitrile	8794	Click to see C1=CC=C(C=C1)CC#N	117.15	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
> Lipids and lipid-like molecules / Prenol lipids / Monoterpenoids / Acyclic monoterpenoids
(3E)-4,8-dimethyl-1,3,7-nonatriene	6427110	Click to see	150.26	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
1,3,7-Nonatriene, 4,8-dimethyl-	103555	Click to see CC(=CCCC(=CC=C)C)C	150.26	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
beta-OCIMENE, (3E)-	5281553	Click to see	136.23	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
Linalool	6549	Click to see	154.25	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
Linalool, (+)-	67179	Click to see	154.25	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
> Lipids and lipid-like molecules / Prenol lipids / Sesquiterpenoids
3,7,11-Trimethyl-1,3,6,10-dodecatetraene	442368	Click to see	204.35	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
Farnesene	5281516	Click to see	204.35	unknown	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6264294/
> Organic acids and derivatives / Carboxylic acids and derivatives / Pentacarboxylic acids and derivatives
[(2R,3R,4S,5S)-5-[(2R,3R,4S,5S,6R)-3-acetyloxy-4,5-dihydroxy-6-[[(E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyl]oxymethyl]oxan-2-yl]oxy-3-hydroxy-4-[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy-5-[[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxymethyl]oxolan-2-yl]methyl (E)-3-(4-hydroxyphenyl)prop-2-enoate	10351009	Click to see	998.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
[5-[3-Acetyloxy-4,5-dihydroxy-6-[3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyloxymethyl]oxan-2-yl]oxy-3-hydroxy-4-[3-(4-hydroxyphenyl)prop-2-enoyloxy]-5-[3-(4-hydroxyphenyl)prop-2-enoyloxymethyl]oxolan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate	75049027	Click to see	998.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
Vanicoside A	6449878	Click to see CC(=O)OC1C(C(C(OC1OC2(C(C(C(O2)COC(=O)C=CC3=CC=C(C=C3)O)O)OC(=O)C=CC4=CC=C(C=C4)O)COC(=O)C=CC5=CC=C(C=C5)O)COC(=O)C=CC6=CC(=C(C=C6)O)OC)O)O	998.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
Vanicoside A	44575681	Click to see	998.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
> Phenylpropanoids and polyketides / Cinnamic acids and derivatives / Hydroxycinnamic acids and derivatives / Hydroxycinnamic acid esters / Coumaric acid esters
[(2R,3R,4S,5R)-3-hydroxy-4-[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxy-5-[[(E)-3-(4-hydroxyphenyl)prop-2-enoyl]oxymethyl]-5-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(E)-3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyl]oxymethyl]oxan-2-yl]oxyoxolan-2-yl]methyl (E)-3-(4-hydroxyphenyl)prop-2-enoate	6449877	Click to see	956.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
[3-Hydroxy-4-[3-(4-hydroxyphenyl)prop-2-enoyloxy]-5-[3-(4-hydroxyphenyl)prop-2-enoyloxymethyl]-5-[3,4,5-trihydroxy-6-[3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyloxymethyl]oxan-2-yl]oxyoxolan-2-yl]methyl 3-(4-hydroxyphenyl)prop-2-enoate	74105557	Click to see	956.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
Vanicoside B	10033855	Click to see COC1=C(C=CC(=C1)C=CC(=O)OCC2C(C(C(C(O2)OC3(C(C(C(O3)COC(=O)C=CC4=CC=C(C=C4)O)O)OC(=O)C=CC5=CC=C(C=C5)O)COC(=O)C=CC6=CC=C(C=C6)O)O)O)O)O	956.90	unknown	https://doi.org/10.1016/J.FITOTE.2006.05.008
> Phenylpropanoids and polyketides / Flavonoids / Flavones / Flavonols
Quercetin	5280343	Click to see	302.23	unknown	https://doi.org/10.1007/BF02856358
> Phenylpropanoids and polyketides / Flavonoids / Flavonoid glycosides / Flavonoid O-glucuronides / Flavonoid-3-O-glucuronides
Querciturone	5274585	Click to see C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(C(O4)C(=O)O)O)O)O)O)O	478.40	unknown	https://doi.org/10.1007/BF02975130
> Phenylpropanoids and polyketides / Flavonoids / Flavonoid glycosides / Flavonoid O-glycosides / Flavonoid-3-O-glycosides
Avicularin	5490064	Click to see C1=CC(=C(C=C1C2=C(C(=O)C3=C(C=C(C=C3O2)O)O)OC4C(C(C(O4)CO)O)O)O)O	434.30	unknown	https://doi.org/10.1007/BF02856358 https://doi.org/10.1007/BF02975130
Isoquercitrin	5484006	Click to see	464.40	unknown	https://doi.org/10.1007/BF02856358

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Reynoutria sachalinensis

Table of Contents

Details Top

Ethnobotanical Use Top

General Uses Top

Synonyms Top

Common names Top

Subspecies (abbr. subsp./ssp.) Top

Varieties (abbr. var.) Top

Subvarieties (abbr. subvar.) Top

Forms (abbr. f.) Top

Germination/Propagation Top

Distribution (via POWO/KEW) Top

Links to other databases Top

Genomes (via NCBI) Top

Scientific Literature Top

Phytochemical Profile Top

Gallery Top

Contributors Top

Collections Top