Japanese Bamboo, J. KnotweedFallopia japonica (Houttuyn) Ronse Decraene (Polygonum cuspidatum)
- Moss, Flora of Alberta – No
- Global Invasive Species Database – Yes
- NatureServe Rank – High
- Haber, Upland – No
- Haber, Wetland – No
- CWF, Status & Invasive Range – High, BC, MB, ON, QC, NF, NS
- Alberta Revegetation Guidelines – No
- The Nature Conservancy – No
- CBCN – No
- AB Weed – Prohibited Noxious
Perennial herb, in BC occurs in open Aspen and White Spruce stands, not reported in adjacent states, but US NPS reports that it occurs in Alaska and Oregon, in addition to many eastern states.
Anecdotal reports of this species found in urban planings in Grande Prairie, Alberta, Canada (2011), Edmonton, Alberta, Canada (2007), Fernie, British Columbia, Canada (2010), and Waterton Lakes National Park, Canada (2010) from personal correspondence). --Kelly Cooley 15:41, 10 February 2012 (CST)
Edible: young rhizomes, gathered before leaves are full, and young stems elongated up to 20 cm are good boiled or roasted. Eaten in large amounts it may cause photosensitization. May also be laxative.
Szczawinski & Turner, Edible Garden Weeds of Canada, ISBN 0-88902-752-8