Taxon  Report   8417 
Polygonum polygaloides  Meissner
milkwort knotweed
Polygonum polygaloides, a dicot, is an annual herb that is native to California and is also found outside of California, but is confined to western North America.

 Interactive Distribution Map 

 Observation Hotline 
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 Plant Characteristics
 and Associations

Bloom Period
Polygonum polygaloides
© 2009 Keir Morse
Polygonum polygaloides
© 2006 Debra Valov
Genus: Polygonum
Subspecies and Varieties:
Polygonum polygaloides ssp. confertiflorum
Polygonum polygaloides ssp. esotericum
Polygonum polygaloides ssp. kelloggii
Distribution by County 

Add an Observation of  Polygonum polygaloides

Name Status:
Accepted by TJM2 + PLANTS + JM93
 Information about  Polygonum polygaloides  from other sources:

Nursery / seed vendor availability from CNPLX
Commercial availability unknown.

Photos on CalPhotos / Google Images

website references on Google

Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation. on the
International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

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]. 2015. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Aug 27, 2015).

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

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