Project Noah

Project Noah is a tool to explore and document wildlife and a platform to harness the power of citizen scientists everywhere.

Join Project Noah Today

Japanese knotweed

Fallopia japonica

Description:

Flowering plant, one- to two feet high, covering an extensive area of the ground. Small white flowers began blooming around the middle of September. "In the U.S. and Europe, Japanese knotweed is widely considered an invasive species or weed. It is listed by the World Conservation Union as one of the world's 100 worst invasive species." Source Credit: Wikipedia

Habitat:

The margin of a deciduous forest at the Boswell Ave. entrance of the "Wildlife Sanctuary," one of seven small parks owned and maintained by the Community Association of Hollin Hills, Fairfax County, Virginia USA. Related Resource: http://waltersanford.blogspot.com/2010/1...

Notes:

© Copyright 2011 Walter Sanford. All rights reserved. www.wsanford.com

1 species ID suggestions

Japanese knotweed
Polygonum cuspidatum

1 Comment

Geodialist
Geodialist a year ago

Thanks for the species ID, Amanda -- you nailed it! I see it's been nearly a year since you last submitted a spotting. I hope you are able to participate in Project Noah more actively -- it's clear you can contribute much to the community.

Hybla Valley, Virginia, USA

Lat: 38.75, Long: -77.08

Spotted on Sep 22, 2011
Submitted on Sep 27, 2011

Spotted for mission

Reference

Related spottings

Silverlace Vine Variegated fallopia lilacs Japanese Knotweed

Nearby spottings

Jewelweed White-tailed deer tracks American burnweed Violet Dancer damselfly (male)