Plant-Name Dictionary
Japanese knotweed — names in 26 European languages
Reynoutria japonica
| Language | Common name(s) |
|---|---|
| Български Bulgarian | Японска фалопия |
| Hrvatski Croatian | Japanski dvornik |
| Čeština Czech | křídlatka japonská |
| Dansk Danish | Japanpileurt Japan-pileurt |
| Nederlands Dutch | Japanse duizendknoop Compacte Duizendknoop |
| English English | Japanese knotweed Asian knotweed, Asiatic Knotweed, donkey rhubarb, Fleeceflower, Itadori knotweed, Japanese fleece flower, Mexican bamboo, Mexican-bamboo |
| Eesti Estonian | Vooljas pargitatar jaapani kirburohi, vooljas kirburohi, vooljas konnatatar |
| Suomi Finnish | japanintatar neidontatar |
| Français French | Renouée du Japon Renouee, Renouee du Japon |
| Deutsch German | Japanischer Staudenknöterich Japanischer Staudenknoeterich, Japanknöterich, Kamtschatka-Knöterich, Riesenknöterich, Staudenknoeterich |
| Magyar Hungarian | Ártéri japánkeserűfű japán óriáskeserűfű |
| Gaeilge Irish | Glúineach bhiorach |
| Italiano Italian | Poligono asiatico Poligono del Giappone, poligono giapponese |
| Latviešu Latvian | Japānas dižsūrene |
| Lietuvių Lithuanian | Japoninė reinutrė Japoninis pelėvirkštis |
| Polski Polish | Rdestowiec ostrokończysty |
| Português Portuguese | Sanguinária-do-japão |
| Română Romanian | Iulișcă |
| Slovenčina Slovak | Pohánkovec japonský |
| Slovenščina Slovenian | Japonski dresnik |
| Español Spanish | Hierba nudosa japonesa |
| Svenska Swedish | parkslide rosenslide, vanligt parkslide |
| Русский Russian | Рейнутрия японская |
| Українська Ukrainian | Далекосхідна гречка японська |
| Norsk Norwegian | parkslirekne |
| Türkçe Turkish | Japon poligonumu |
How these names are verified. Each name is drawn from authoritative botanical databases (GBIF vernacular names, Catalogue of Life, EPPO, Wikidata) and published only when confirmed by a curated authority or two independent sources — never machine-translated.