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Fallopia japonica
Japanese knotweed Smartweed-Buckwheat Family
Fallopia japonica Polygonaceae
--more--
common name
  Japanese knotweed
accepted scientific name
  Fallopia japonica (Houtt.) Ronse Decr.
rules for finding collection records
  Fallopia japonica (470)
  Pleuropterus zuccarinii (0)
  Polygonum cuspidatum (1088)
  Reynoutria japonica (147)
family name
  Polygonaceae
Image Author: ©2007 "MdE"
Image License: CC BY-SA
Image Source
Category: Woody Vines
Flowers: Five petals
Petal colors: color color
Flower size is about 0.33 inches
Leaf: Alternate
Plant Observed 3rd week of April thru end of October
Not Native. Invasive in VT. Noxious weed in MT, OR.

How Likely at this Location (39%)
Name Match (100%)
Plant Showiness (45%)
base map where plant found

Disturbed
Forest
Riparian
Brush
grid lines base