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Japanese Knotweed (Cuspidatum)

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Japanese Knotweed (Cuspidatum)

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The Japanese Knotweed (Cuspidatum) is generally described as a perennial subshrub or forb/herb. This is not native to the U.S. (United States) .

Plant Basics
Category
General Type Subshrub, Forb/herb
Growth Duration Perennial
Plant Nativity Introduced to U.S.

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA

Plant Name Synonyms
  • Fallopia japonica
  • Pleuropterus cuspidatus
  • Pleuropterus zuccarinii
  • Polygonum cuspidatum var. compactum
  • Polygonum zuccarinii
  • Reynoutria japonica
Plant Distribution
can be found in Alaska, Arkansas, California, Colorado, Connecticut, District of Columbia, Delaware, Georgia, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia