Taxon  Report   6766    
Polygonum polygaloides  Meisn.  ssp. confertiflorum  (Nutt. ex Piper) J. C. Hickman
Dense knotweed,  Fruitleaf knotweed
Polygonum polygaloides ssp. confertiflorum, a dicot, is an annual herb that is native to California, is also found outside of California, but is confined to western North America.

Bloom Period
Communities: Northern Juniper Woodland, wetland-riparian
Name Status:
Accepted by JEF + PLANTS

Alternate Names:
JEF + PLANTS: Polygonum confertiflorum
JEF + PLANTS: Polygonum kelloggii var. confertiflorum
JEF + PLANTS: Polygonum watsonii
. . .
More information about  Polygonum polygaloides ssp. confertiflorum
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora


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 11, 2019).