Calflora
Taxon  Report   6740    
Polygonum bidwelliae  S. Watson
Bidwell's knotweed
Polygonum bidwelliae, a dicot, is an annual herb that is native to California, and is endemic (limited) to California.
California Rare Plant Rank: 4.3 (limited distribution).   CNPS Inventory
Observation Hotline
(observation details)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: POLYGONACEAE  
Genus: Polygonum
Communities: Chaparral, Valley Grassland, Foothill Woodland
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Duravia bidwelliae
More information about  Polygonum bidwelliae
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (POBI4)


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: Aug 19, 2019).