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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) .
| 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
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