Calflora
Taxon  Report   11006    
Persicaria amphibia  (L.) Delarbre
Water smartweed
Persicaria amphibia
© 2003 Tom Annese
Photos from
CalPhotos / Calflora
Persicaria amphibia
© 2005 Steve Matson
Persicaria amphibia
© 2008 Neal Kramer
Persicaria amphibia, a dicot, is a perennial herb (aquatic) that is native to California, is also found outside of California, but is confined to North America.

Interactive Distribution Map


Observation Hotline
(observation details + photos)



point, line, or polygon

Plant Characteristics
and Associations



Bloom Period
Persicaria amphibia
© 2018 Ron Vanderhoff
Family: POLYGONACEAE  
Genus: Persicaria
Communities: wetland-riparian

Wetlands: Occurs in wetlands

Name Status:
Accepted by JEF

PLANTS accepted name:
Polygonum amphibium var. emersum

Alternate Names:
ICPN: Persicaria coccinea
ICPN: Polygonum amphibium var. emersum
ICPN: Polygonum amphibium var. stipulaceum
. . .
More information about  Persicaria amphibia
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on PlantID.net   /   Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

USDA PLANTS Profile (POAME)

Search efloras.org (Flora of North America)

website references from Google


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]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available: https://www.calflora.org/   (Accessed: Nov 14, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.