Taxon  Report   11036    
Polygonum ramosissimum  Michx.  ssp. prolificum  (Small) Costea & Tardif
Bushy knotweed
Polygonum ramosissimum ssp. prolificum, a dicot, is an annual herb that is not native to California; it has been naturalized in the wild.

Bloom Period
Wetlands: Equally likely to occur in wetlands and non wetlands

Communities: wetland-riparian

Name Status:
Accepted by ICPN

Alternate Names:
ICPN: Polygonum prolificum
ICPN: Polygonum ramosissimum var. prolificum
More information about  Polygonum ramosissimum ssp. prolificum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 13, 2019).