Polygonum polygaloides ssp. confertiflorum Calflora

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Taxon Report

Polygonum polygaloides Meisn. ssp. confertiflorum (Nutt. ex Piper) J. C. Hickman

Dense knotweed, Fruitleaf knotweed

2008 Keir Morse

2011 Barry Breckling

2014 Sierra Pacific Industries

Polygonum polygaloides ssp. confertiflorum is an annual herb that is native to California, and also found elsewhere in western North America.


	Plant Range Observation Search (169 records) Plant Characteristics

Bloom Period

Photos on Calflora


Parent:	Polygonum polygaloides
Genus:	Polygonum
Family:	Polygonaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Communities: Northern Juniper Woodland, wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:


JEF + PLANTS	Polygonum confertiflorum
PLANTS	Polygonum imbricatum
JEF + PLANTS	Polygonum kelloggii var. confertiflorum
JEF + PLANTS	Polygonum watsonii

Information about Polygonum polygaloides ssp. confertiflorum from other sources


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (POPOC) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2	Add an Observation Location Suitability Planting Guide Distribution by County
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Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 05/31/2023).