Taxon  Report   11010 
Persicaria lapathifolia  (L.) Gray
Common knotweed
Persicaria lapathifolia, a dicot, is an annual herb that is native to California.
 

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© 2008 Louis-M. Landry

© 2005 Luigi Rignanese
 Plant Characteristics
 and Associations



Bloom Period
Communities: (many plant communities), wetland-riparian
Wetlands:Occurs almost always under natural conditions in wetlands [U.S. Fish & Wildlife Service.]
Family: POLYGONACEAE  
Genus: Persicaria
Add an Observation of Persicaria lapathifolia
Name Status:
Accepted by TJM2
PLANTS: accepted name: Polygonum lapathifolium
Other Names:
(according to)

TJM2: Polygonum lapathifolium
 Information about  Persicaria lapathifolia  from other sources:
Photos on Picasa / Flickr / Google Images

website references on Google

USDA PLANTS Profile (POLA4)

Nursery availability and horticultural info on CNPLX

2012 Jepson Manual Treament from the Jepson Herbarium,
University of California, Berkeley

Search efloras.org (Flora of North America)

Search the Lady Bird Johnson Wildflower Center Native Plant Database

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of Calif. Herbaria.
[web application]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Apr 20, 2014).

The information on this page comes from diverse sources. None of the links are sponsored.

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