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Japanese Knotweed

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This too is a plant imported to Europe, which likes to grow at humid bushes: The "Japanese Knotweed" (Reynoutria japonica Houtt. or Polygonum cuspidatum Sieb.etZucc.) originating in east asia. The picture shows the brown remains of a membraneous sheath at the base of the leaf. This "ochrea" is a typical characteristic of the knotweed family (Polygonaceae).


Homepage(2)     Plants(index) by Michael Becker, 9/2002. Last modification: 9/2002.