Polygonum minimum Calflora

Calflora

Taxon Report 6758

Polygonum minimum S. Watson

Broadleaf knotweed, Leafy dwarf knotweed, Little mountain knotweed

2009 Neal Kramer

2008 Steve Matson

2020 Bob Sweatt

2011 Steve Matson

2012 Steve Matson

Polygonum minimum, a dicot, is an annual herb that is native to California, and also found elsewhere in western North America.


	Plant Range Observation Search (277 records) Plant Characteristics

Bloom Period

Photos from Calflora / CalPhotos


Family:	Polygonaceae
Genus:	Polygonum

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: streambanks, meadows

Communities: Lodgepole Forest, Subalpine Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS

Alternate Names:


JEF	Polygonum torreyi

More information about Polygonum minimum


Nursery availability from CNPLX Commercial availability unknown. Jepson eFlora USDA PLANTS Profile (POMI2) BONAP Distribution Map	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape Photos on PlantID.net / Google Images 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, including the Consortium of California Herbaria. [web application]. 2021. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 10/26/2021).