Calflora
Taxon  Report   11944    
Polygonum sawatchense  Small  ssp. oblivium  Costea & Tardif
Knotweed
Polygonum sawatchense ssp. oblivium, a dicot, is an annual or perennial herb that is native to California.

Bloom Period
Wetlands: Occurs usually in non wetlands, occasionally in wetlands
Name Status:
Accepted by JEF

PLANTS other name:
Polygonum douglasii ssp. johnstonii

 
More information about  Polygonum sawatchense ssp. oblivium
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (PODOJ2)

Search efloras.org (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]. 2019. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: Dec 15, 2019).