Japanese knotweed
Polygonum cuspidatum Siebold & Zucc.
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| Taxonomic Rank: Magnoliopsida > Polygonales > Polygonaceae > Polygonum |
| Common Name Synonym(s): fleeceflower, Japanese bamboo |
| Taxonomic Synonym(s): Fallopia japonica Sieb. & Zucc. Reynoutria japonica Sieb. & Zucc. |
| Category: Plants: Forbs/Herbs |
| Category: Plants: Vines |
190 Records | View Images as Host | View Thumbnails |
| Image | Descriptor | Description |
|---|---|---|
| 0002108 | Plant(s) | |
| 0002121 | Map | current distribution |
| 0581040 | Brookside Gardens | |
| 0581041 | ||
| 0581042 | ||
| 0581043 | with fruits | |
| 0581044 | flowering plants | |
| 0581045 | fruit | |
| 1196002 | Foliage | |
| 1196035 | Infestation | |
| 1196036 | Plant(s) | |
| 1196112 | Infestation | Patch is over 100 m long and up to 15 m wide. |
| 1196118 | Infestation | |
| 1196126 | Foliage | |
| 1196127 | Plant(s) | |
| 1196128 | Plant(s) | |
| 1196129 | Plant(s) | |
| 1196172 | Flower(s) | |
| 1196197 | Plant(s) | |
| 1197001 | Infestation | Picture within stand |
| 1197002 | Infestation | |
| 1197003 | Infestation | Streambank slump |
| 1197004 | Infestation | Flood flattened stems |
| 1197005 | Infestation | Flood flattened stems |
| 1197007 | Infestation | regrowth after one time spring cut |
| 1197008 | Infestation | Flood line |
| 1197009 | Plant(s) | Fall colors |
| 1197030 | Infestation | Beaver dam using knotweed |
| 1237055 | Infestation | |
| 1237056 | Foliage | |
| 1237059 | Foliage | Foliage and flowers |
| 1268011 | Infestation | Martin County, KY |
| 1268012 | Infestation | Martin County, KY |
| 1268013 | Plant(s) | Martin County, KY |
| 1344055 | Infestation | Roadside |
| 1380201 | Plant(s) | Growing in a roadside park |
| 1459283 | Infestation | |
| 1459284 | Plant(s) | |
| 1459285 | Plant(s) | |
| 1539043 | Infestation | |
| 1539044 | Stem(s) | |
| 1539045 | Fruit(s) | |
| 1539046 | Stem(s) | |
| 1539047 | Flower(s) | |
| 1539048 | Stem(s) | |
| 1539049 | Plant(s) | in flower |
| 1539050 | Plant(s) | |
| 1539051 | Flower(s) | |
| 1539052 | Foliage | |
| 1539053 | Plant(s) | |
| 1550178 | Root(s) | |
| 1550179 | Seedling(s) | |
| 1550180 | Foliage | |
| 1550181 | Stem(s) | |
| 1550182 | Seed(s) | |
| 1550183 | Fruit(s) | |
| 1550184 | Seedling(s) | |
| 1550185 | Seedling(s) | |
| 1550186 | Plant(s) | In flower |
| 1550187 | Plant(s) | In flower |
| 1550188 | Flower(s) | |
| 1550189 | Foliage | |
| 1550190 | Infestation | |
| 1557023 | Infestation | |
| 1557025 | Flower(s) | |
| 1557026 | Infestation | in flower |
| 1557027 | Flower(s) | |
| 1557028 | Seedling(s) | |
| 1557029 | Seedling(s) | |
| 1557030 | Seedling(s) | |
| 1557031 | Plant(s) | |
| 1557032 | Plant(s) | |
| 1557034 | Plant(s) | |
| 1557035 | Stem(s) | |
| 1557036 | Stem(s) | |
| 1557038 | Foliage | |
| 1557040 | Root(s) | |
| 1557041 | Root(s) | |
| 1557042 | Seed(s) | |
| 1557045 | Fruit(s) | |
| 1557046 | Plant(s) | about to flower |
| 1557047 | Root(s) | |
| 1557048 | Flower(s) | |
| 1557049 | Plant(s) | |
| 1557050 | Plant(s) | |
| 1557052 | Infestation | |
| 1557057 | Seedling(s) | cotyledons |
| 1557059 | Flower(s) | |
| 1557061 | Plant(s) | |
| 2136042 | Plant(s) | |
| 2136043 | Infestation | |
| 2136044 | Infestation | |
| 2136045 | Flower(s) | |
| 2136046 | Infestation | |
| 2136047 | Infestation | |
| 2136049 | Control | After control efforts |
| 2136050 | Control | After control efforts |
| 2136055 | Infestation | |
| 2136059 | Control | After control efforts |
| 2136060 | Control | After control efforts |
| 2136062 | Management | Re-sprouts after control |
| 2136063 | Management | Re-sprouts after control |
| 2136065 | Control | After control efforts |
| 2136066 | Infestation | |
| 2136071 | Infestation | |
| 2136072 | Infestation | |
| 2136073 | Infestation | |
| 2136074 | Infestation | |
| 2136077 | Plant(s) | |
| 2136078 | Infestation | |
| 2136086 | Seed(s) | |
| 2136087 | Infestation | |
| 2136088 | Infestation | |
| 2136089 | Infestation | |
| 2136090 | Infestation | |
| 2136093 | Infestation | |
| 2136094 | Stem(s) | |
| 2136096 | Infestation | |
| 2137035 | Foliage | |
| 2137055 | Plant(s) | Growing in a dirt pile |
| 2167098 | Plant(s) | September 2004 |
| 2189034 | Plant(s) | |
| 2189035 | Infestation | |
| 2189036 | Fruit(s) | |
| 2189038 | Fruit(s) | |
| 2189039 | Fruit(s) | |
| 2189040 | Feature(s) | Stem |
| 2189041 | Feature(s) | Stem |
| 2308045 | Infestation | Roadside Incursion |
| 2308046 | Foliage | Inflorescence close-up |
| 5007012 | Plant(s) | |
| 5078027 | Foliage | |
| 5078028 | Infestation | |
| 5178012 | Flower(s) | |
| 5178013 | Plant(s) | |
| 5178014 | Feature(s) | rooted into a wall |
| 5178015 | Feature(s) | new shoots forming |
| 5205088 | Field | on hill side |
| 5205089 | Field | |
| 5205090 | Plant(s) | |
| 5205091 | Foliage | |
| 5205092 | Flower(s) | |
| 5205093 | Flower(s) | |
| 5205094 | Flower(s) | |
| 5205095 | Flower(s) | |
| 5205096 | Flower(s) | |
| 5205097 | Flower(s) | |
| 5205098 | Flower(s) | |
| 5205099 | Fruit(s) | |
| 5205100 | Flower(s) | |
| 5206001 | Flower(s) | |
| 5242061 | Plant(s) | |
| 5242062 | Flower(s) | |
| 5242063 | Flower(s) | |
| 5242064 | Foliage | |
| 5271079 | Infestation | |
| 5271080 | Flower(s) | Inflorescence close-up |
| 5271081 | Infestation | Roadside Incursion |
| 5271082 | Fruit(s) | |
| 5271083 | Feature(s) | Cross-section of Stems |
| 5271084 | Infestation | |
| 5271085 | Flower(s) | |
| 5271086 | Stem(s) | Stems Emerging in April |
| 5271087 | Foliage | Comparison of leaves of P. sachalinense (right of each pair) and P. cuspidatum |
| 5308058 | Diagram or Graphic | Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 676. |
| 5310005 | Seed(s) | |
| 5331054 | Infestation | October, 2007.; Nathan Guyton and Japanese Knotweed |
| 5331055 | Flower(s) | Along the North Side of U.S. 701 Business, 0.5 mile west of Whiteville, Columbus County, N.C. USA. October, 2007. |
| 5377852 | Plant(s) | |
| 5377853 | Plant(s) | |
| 5377854 | Plant(s) | |
| 5377855 | Plant(s) | |
| 5377856 | Flower(s) | |
| 5377857 | Treatment | |
| 5377858 | Plant(s) | |
| 5379548 | Flower(s) | flowers and leaves in July |
| 5379549 | Plant(s) | in flower in July |
| 5379550 | Flower(s) | July |
| 5379552 | Flower(s) | July |
| 5379556 | Infestation | infestation in right-of-way in May |
| 5379559 | Stem(s) | stem and leaves in July |
| 5379562 | Plant(s) | in flower |
| 5386345 | Plant(s) | plant. |
| 5386346 | Flower(s) | flowering stem. |
| 5386347 | Flower(s) | flowers. |
| 5386348 | Stem(s) | stem with red mottling. |
| 5391724 | Flower(s) | |
| 5391725 | Plant(s) | |
| 5391726 | Flower(s) | |
| 5391727 | Flower(s) |
