Taxon  Report   10892 
Fallopia sachalinensis  (F. Schmidt ex Maxim.) Ronse Decr.
Giant knotweed
Fallopia sachalinensis, a dicot, is a perennial herb that is not native to California.

The California Invasive Plant Council classifies its potential impact on native ecosystems as moderate - ALERT   (plant profile / CalWeedMapper).
 

 Interactive Distribution Map 


 Observation Hotline 
 (observation details + photos)



 Distribution by County 

point, line, or polygon

one or more occurrences within a 7.5-minute quadrangle

 Plant Characteristics
 and Associations



Bloom Period
Fallopia sachalinensis
© 2001 CDFA
Fallopia sachalinensis
© 2001 CDFA
Community:
escaped cultivar
Wetlands:Usually occurs in non wetlands, but occasionally found in wetlands [U.S. Fish & Wildlife Service.]
Family: POLYGONACEAE  
Genus: Fallopia
Add an Observation of  Fallopia sachalinensis
Name Status:
Accepted by TJM2
PLANTS: accepted name: Polygonum sachalinense
Other Names:
(according to)

TJM2: Polygonum sachalinense
TJM2: Reynoutria sachalinensis
 Information about  Fallopia sachalinensis  from other sources:
USDA PLANTS Profile (POSA4)

Photos on CalPhotos / Flickr / Google Images

website references on Google

Jepson eFlora (TJM2)

Records from the Consortium of California Herbaria

Search efloras.org (Flora of North America)

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 California Herbaria.
[web application]. 2014. Berkeley, California: The Calflora Database [a non-profit organization].
Available: http://www.calflora.org/   (Accessed: Nov 23, 2014).

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

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