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

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.

E-Flora BC: Fallopia japonica var. japonica atlas page.

CalPhotos: Fallopia japonica var. japonica photos.

USDA Plants: Fallopia japonica var. japonica information.

0 photographs:
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