Page author: David Giblin
Fallopia japonica var. japonica
Japanese knotweed
Specimens
Photos
Distribution: Occurring chiefly west of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Riparian zones, roadsides, ditches, wastelots, and other disturbed open areas.
Flowers: June-September
Origin: Introduced from Asia
Growth Duration: Perennial
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Fallopia japonica (Houtt.) Ronse Decr. var. japonica
Synonyms & Misapplications:
(none provided)
Additional Resources:
PNW Herbaria: Specimen records of Fallopia japonica var. japonica in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Fallopia japonica var. japonica checklist entry
OregonFlora: Fallopia japonica var. japonica information
E-Flora BC: Fallopia japonica var. japonica atlas page
CalPhotos: Fallopia japonica var. japonica photos
0 photographs:
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