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Common name

English: Japanese knotweed

German: Japanischer Staudenknöterich


Kingdom: Plantae (2659)

  Phylum: Tracheophyta (2572)

    Class: Magnoliopsida (2167)

      Order: Polygonales (28)

        Family: Polygonaceae (30)(family description)

          Genus: Reynoutria (2)

            Epithet: japonica Houtt. (6)

Synonyms: Fallopia compacta (Hook.f.) G.H.Loos & P.Keil, Fallopia japonica (Houtt.) Ronse Decr., Pleuropterus cuspidatus (Siebold & Zucc.) H.Gross, Polygonum cuspidatum Siebold & Zucc., Polygonum reynoutria Makino, Reynoutria henryi Nakai

compacta => compact, close together

cuspidatum => with a sharp and rigid point

cuspidatus => with a sharp and rigid point

henryi => in honor of Augustine Henry (1857-1930); Irish physician, plant collector in China and botanist

japonica => from Japan


Climate: temperate

Habitat: helophytic

Habit: herb

Flower colour: white

External links

Check for Reynoutria japonica at

World Flora Online, GBIF or IPNI

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