Taxon  Report   11037 
Polygonum ramosissimum  Michx.  ssp. ramosissimum 
Yellow knotweed
Polygonum ramosissimum ssp. ramosissimum, a dicot, is an annual herb that is native to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Genus: Polygonum
Parent Record Polygonum ramosissimum
Wetlands: Equally likely to occur in wetlands and non wetlands
Distribution by County 

Add an Observation of  Polygonum ramosissimum ssp. ramosissimum

Name Status:
Accepted by TJM2
Alternate Names:
(according to)

ICPN: Polygonum ramosissimum var. ramosissimum
More information about  Polygonum ramosissimum ssp. ramosissimum
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

Search (Flora of North America)

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: Mar 19, 2018).

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