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.

Bloom Period
Wetlands: Equally likely to occur in wetlands and non wetlands
Name Status:
Accepted by JEF

Alternate Names:
JEF: Polygonum exsertum
JEF: Polygonum interior
JEF: Polygonum latum
. . .
More information about  Polygonum ramosissimum ssp. ramosissimum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

Search (Flora of North America)

Landscape information from Calscape

Photos on Google Images

Consortium of California Herbaria

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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Jan 28, 2020).