Japanese Knotweed
Fallopia japonica
(formerly Polygonum cuspidatum)

Japanese Knotweed (Fallopia japonica) Other scientific names: Polygonum cuspidatum

Family: Smartweed Family (Polygonaceae)

Flowers: Summer;  White;  5 parts (petals)

Habitat: Fields and Open Areas, Meadows, Roadsides, Thickets

Books: Newcomb's Wildflower Guide: 190   

Native/Non-native: Non-native

Origin and Meaning of Names:
 Scientific Name: japonica: of Japan, Japanese


For more information visit: Ontario Wildflowers

Photographs: 51 photographs available.

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