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Enriched botanical record

Reynoutria japonica

Reynoutria japonica Houtt.

Also indexed asJapanese KnotweedFlowering BambooAsian KnotweedAsian knotweedAsiatic KnotweedCanclwm JapanCompacte DuizendknoopCốt khí củ
FamilyPolygonaceae
GenusReynoutria
Use categories5
Linked notes0
Poison use is recorded for this taxon.This is a classification flag, not a dosage guide. Do not infer safe use from any documented-use label.

Botanical identity

This taxon is documented in the World Checklist of Useful Plant Species with a reported medicinal use. The record establishes a use report and botanical index entry, not clinical effectiveness or individual safety.

KingdomPlantae
Phylum / divisionTracheophyta
ClassMagnoliopsida
OrderCaryophyllales
FamilyPolygonaceae
GenusReynoutria
Scientific name with authorshipReynoutria japonica Houtt.

Indexed scientific synonyms

Fallopia japonica (Houtt.) Dcne.Fallopia japonica (Houtt.) Ronse Decr.Fallopia japonica f. colorans (Makino) Yonek.Fallopia japonica var. hachidyoensis (Makino) Yonek. & H.OhashiFallopia japonica var. uzenensis (Honda) Yonek. & H.OhashiPleuropterus cuspidatus (Siebold & Zucc.) H.GrossPleuropterus cuspidatus (Siebold & Zucc.) MoldenkePleuropterus uzenensis (Honda) HondaPleuropterus zuccarinii (Small) SmallPolygonum cuspidatum Siebold & Zucc.Polygonum cuspidatum f. roseum (Satomi) SatomiPolygonum cuspidatum subsp. compactum (Hook f.) BaileyPolygonum cuspidatum var. hachidyoense (Makino) SatomiPolygonum cuspidatum var. spectabile NoterPolygonum cuspidatum var. terminale (Honda) OhwiPolygonum cuspidatum var. uzenense (Honda) NodaPolygonum hachidyoense MakinoPolygonum hachijoense NakaiPolygonum hachijoense Nakai ex HondaPolygonum japonicum (Houtt.) S.L.WelshPolygonum pictum JacquesPolygonum reynoutria (Houtt.) MakinoPolygonum reynoutria f. colorans MakinoPolygonum reynoutria var. humilis NakaiPolygonum sieboldii de VriesePolygonum sieboldii de Vriese ex L.H.BaileyPolygonum zuccarinii SmallReynoutria compactum Hook.f.Reynoutria elata NakaiReynoutria hachidyoensis (Makino) NakaiReynoutria hachidyoensis (Makino) Nakai ex JôtaniReynoutria hachidyoensis var. terminalis HondaReynoutria hachijoensis NakaiReynoutria hachijoensis Nakai ex JôtaniReynoutria hachijoensis var. terminalis HondaReynoutria hastata (Honda) NakaiReynoutria hastata Nakai ex UiReynoutria henryi NakaiReynoutria japonica f. hastata (Honda) HiyamaReynoutria japonica f. rosea SatomiReynoutria japonica var. elataReynoutria japonica var. hastata HondaReynoutria japonica var. humilis (Nakai) NakaiReynoutria japonica var. spectabilis (Noter) MoldenkeReynoutria japonica var. terminalis (Honda) Kitag.Reynoutria japonica var. uzenensis HondaReynoutria uzenensis (Honda) HondaReynoutria yabeana HondaRumex obtusifolius var. transiens (Simonk.) Rech.f.Tiniaria japonica (Houtt.) Hedberg

Documented use categories

Medicine
Human food
Animal food
Environmental use
Poison reported

These categories describe the kinds of human-use reports attached to the taxon in the source checklist. Multiple categories can coexist; a plant may be recorded as both food and poison, depending on part, preparation and context.

How to interpret this record

Evidence boundary

A taxonomic use record is a discovery and indexing signal. Clinical evidence must be assessed separately for the exact species, plant part, preparation, route, dose and health question.

Safety boundary

Correct identification is essential. Toxicity, contraindications, interactions and safe preparation cannot be inferred from a documented-use record.

Dataset record and provenance

DatasetWCUPS 2020
LicenceCC BY 4.0
Name sourceIPNI
IPNI / external identifier435655-1
Use codesAF EU HF ME PO
Crop wild relativeNo

Contributing checklist sources

USDA GRINMedicinal Plant Names Services v8.2

Read the full dataset citation, licence and import methodology →

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Educational index, not a treatment recommendation

The presence of a taxon in this database does not provide a diagnosis, dose, formulation or assurance of safety. Some indexed plants are toxic, regulated, endangered or unsafe in specific life stages.