Calflora
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, and also found elsewhere in western North America.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial

Bloom Period

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

Alternate Names:
JEF + PLANTSPolygonum confertiflorum
PLANTSPolygonum imbricatum
JEF + PLANTSPolygonum kelloggii var. confertiflorum
JEF + PLANTSPolygonum watsonii
More information about  Polygonum polygaloides ssp. confertiflorum

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]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 03/02/2021).