Japanese knotweed |
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Polygonum cuspidatum |
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| Taxonomy | Family: |
Polygonaceae (buckwheat) |
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Subfamily: |
Polygonoideae |
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Tribe: |
Polygoneae |
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| Nativity | Native to Japan, Korea, Taiwan, and China. Introduced and naturalized in the United States and Canada. |
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| Status |
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| Habitat | Moist to moderate moisture. Woods, fence rows, roadsides. Full to partial sun. |
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| Flowering | Late summer to early fall |
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| Flower Color | White to greenish |
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| Identification |
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| Similar Species |
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| Range | ![]() |
Sources: 2, 3, 7. | |||||
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| Synonyms | Fallopia japonica Pleuropterus cuspidatus Pleuropterus zuccarinii Polygonum cuspidatum var. compactum Polygonum zuccarinii Reynoutria japonica |
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| Common Names |
fleeceflower Japanese knotweed Mexican bamboo |
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