Taxon  Report   6767 
Polygonum polygaloides  Meissner  ssp. esotericum  (Wheeler) J. Hickman
Modoc county knotweed,  Whitemargin knotweed
Polygonum polygaloides ssp. esotericum
© 2000 Robert E. Preston, Ph.D.
Click on a photo to see it bigger.
Polygonum polygaloides ssp. esotericum
© 2013 Jake Ruygt
Polygonum polygaloides ssp. esotericum, a dicot, is an annual herb that is native to California and is found only slightly beyond California borders.
CNPS Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).   8th Edition

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Plant Characteristics
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Polygonum polygaloides ssp. esotericum
© 2013 Jake Ruygt
Genus: Polygonum
Parent Record Polygonum polygaloides
Sagebrush Scrub, Northern Juniper Woodland, Freshwater Wetlands, wetland-riparian
Habitat: vernal-pools
Distribution by County 

Add an Observation of  Polygonum polygaloides ssp. esotericum

Name Status:
Accepted by TJM2 + CNPS + PLANTS + JM93
Alternate Names:
(according to)

CNPS + PLANTS: Polygonum esotericum
More information about  Polygonum polygaloides ssp. esotericum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

Original Publication citation (ITIS)


Search the International Plants Names Index

Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Feb 25, 2018).

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