Taxon  Report   6736    
Polygonum amphibium  L.  var. stipulaceum  N. Coleman  
(no longer an active name)
Water smartweed
Polygonum amphibium var. stipulaceum, a dicot, is a perennial herb that is native to California and and is endemic (limited) to California.
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
Genus: Polygonum
Parent: Polygonum amphibium

Name Status:
Accepted by PLANTS

ICPN other name:
Persicaria amphibia

Alternate Names:
PLANTS: Persicaria amphibia var. stipulacea
PLANTS: Polygonum inundatum
PLANTS: Polygonum hartwrightii
. . .
NOTE: Polygonum amphibium var. stipulaceum is no longer an active name.
More information about  Polygonum amphibium var. stipulaceum
Nursery availability from CNPLX
This plant is available commercially.
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]. 2020. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Aug 13, 2020).