Persicaria amphibia

ClassificationDicots
FamilyPolygonaceae
Family (Traditional)Polygonaceae
GenusPersicaria
Species:Persicaria amphibia (L.) S. F. Gray
Common NameWater smartweed
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Natural Area Presence: GRSM; Natural Area Presence: SM; Duration: Perennial; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: June; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Number: 0; Base Flower Color: Pink; Carpel Number/Pistil: 2; Fruit Dehiscence: No; Fruit Type: Achene; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: Actinomorphic; Ovules per Carpel: 1; Perianth Present: Yes; Pistil Number: 1; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A; Stamen Number: 5
C value 7
StatusNative; AGCP (OBL), EMP (OBL) (NWPL)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Persicaria amphibia var. stipulacea Persicaria amphibia var. stipulacea (Coleman) Hara
Persicaria mesochora Persicaria mesochora Greene
Persicaria muhlenbergii Persicaria muhlenbergii
Persicaria nebraskensis Persicaria nebraskensis Greene
Polygonum amphibium Polygonum amphibium L.
Polygonum amphibium subsp. laevimarginatum Polygonum amphibium subsp. laevimarginatum Hultén
Polygonum amphibium var. amphibium Polygonum amphibium var. amphibium
Polygonum amphibium var. aquaticum Polygonum amphibium var. aquaticum Hook.
Polygonum amphibium var. emersum Polygonum amphibium var. emersum Michx.
Polygonum amphibium var. hartwrightii Polygonum amphibium var. hartwrightii (Gray) Bissell
Polygonum amphibium var. natans Polygonum amphibium var. natans Michx.
Polygonum amphibium var. stipulaceum Polygonum amphibium var. stipulaceum Coleman
Polygonum coccineum f. terrestre Polygonum coccineum f. terrestre (Willd.) Stanford
Polygonum coccineum var. rigidulum Polygonum coccineum var. rigidulum (Sheldon) Stanford
Polygonum emersum Polygonum emersum (Michx.) Britton
Polygonum fluitans Polygonum fluitans Eat.
Polygonum hartwrightii Polygonum hartwrightii Gray
Polygonum inundatum Polygonum inundatum Raf.
Polygonum muhlenbergii var. terrestre Polygonum muhlenbergii var. terrestre (Willd.) Trel.
Polygonum natans Polygonum natans Eat.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Ballard (KY), Bullitt (KY), Calloway (KY), Campbell (KY), Hardin (KY), Hart (KY), Henderson (KY), Jackson (KY), Jefferson (KY), Lyon (KY), McCracken (KY), Madison (KY), Oldham (KY), Pendleton (KY), Trigg (KY), Carter (TN), Coffee (TN), Cumberland (TN), Hardeman (TN), Haywood (TN), Henry (TN), Lake (TN), Meigs (TN), Monroe (TN), Montgomery (TN), Obion (TN), Putnam (TN), Stewart (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, ETSU, HTTU, MEM

Range of years during which specimens were collected: 1943 - 2016

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
BEREA018704 Calloway Kentucky
BEREA
Persicaria amphibia
APSC0098368 Jefferson Kentucky
APSC
Persicaria amphibia
APSC0118374 Jefferson Kentucky
APSC
Persicaria amphibia
APSC0097577 Jefferson Kentucky
APSC
Persicaria amphibia
APSC0007579 Montgomery Tennessee 20 Jul 1998 Edward Chester
APSC
Persicaria amphibia
APSC0118491 Henderson Kentucky
APSC
Persicaria amphibia
APSC0097997 Hardeman Tennessee
APSC
Persicaria amphibia
APSC0098347 Ballard Kentucky
APSC
Persicaria amphibia
APSC0007572 Stewart Tennessee
APSC
Persicaria amphibia
APSC0007573 Trigg Kentucky 08 Oct 1985 Edward Chester
APSC
Persicaria amphibia
APSC0007566 Lyon Kentucky 03 Sep 1986 Edward Chester
APSC
Persicaria amphibia
APSC0007580 Henry Tennessee
APSC
Persicaria amphibia
APSC0007571 Stewart Tennessee
APSC
Persicaria amphibia
MEM001729 Henderson Kentucky Joe Bruna
s.n.
MEM
Persicaria amphibia
MEM017414 Trigg Kentucky 12 Aug 1979 Raymond Athey
4417
MEM
Persicaria amphibia
BEREA018706 Jackson Kentucky
BEREA
Persicaria amphibia
N/A Carter Tennessee 13 Aug 2015 Frosty Levy
ETSU
Persicaria amphibia
APSC0075295 Bullitt Kentucky 28 Aug 1987 Max Medley
APSC
Persicaria amphibia
APSC0091320 Obion Tennessee
APSC
Persicaria amphibia
APSC0007568 Lyon Kentucky 05 Sep 1988 Edward Chester
APSC
Persicaria amphibia
BEREA018707 Madison Kentucky
BEREA
Persicaria amphibia
APSC0007203 Monroe Tennessee
APSC
Persicaria amphibia
APSC0073333 Hart Kentucky 27 Sep 1984 Max Medley
APSC
Persicaria amphibia
APSC0118371 Oldham Kentucky
APSC
Persicaria amphibia
APSC0118373 Ballard Kentucky
APSC
Persicaria amphibia
APSC0084535 Hart Kentucky 21 Jul 1984 Max Medley
APSC
Persicaria amphibia
APSC0067602 Meigs Tennessee
APSC
Persicaria amphibia
APSC0075545 Jefferson Kentucky 25 Jul 1943 P.A. Davies
APSC
Persicaria amphibia
APSC0075544 Hardin Kentucky 07 Aug 1980 Raymond Cranfill
APSC
Persicaria amphibia
BEREA018703 Calloway Kentucky
BEREA
Persicaria amphibia
BEREA018705 Jackson Kentucky
BEREA
Persicaria amphibia
APSC0044012 Haywood Tennessee
APSC
Persicaria amphibia
APSC0007570 Stewart Tennessee
APSC
Persicaria amphibia
APSC0007565 Stewart Tennessee
APSC
Persicaria amphibia
APSC0118372 Lyon Kentucky
APSC
Persicaria amphibia
APSC0007574 Lyon Kentucky 11 Oct 1985 Edward Chester
APSC
Persicaria amphibia
APSC0007576 Stewart Tennessee
APSC
Persicaria amphibia
APSC0116917 Coffee Tennessee
APSC
Persicaria amphibia
APSC0063172 Pendleton Kentucky 02 Jul 2016 Mason Brock
APSC
Persicaria amphibia
APSC0098369 Campbell Kentucky
APSC
Persicaria amphibia
HTTU019264 Tennessee
HTTU
Persicaria muhlenbergii
HTTU028033 Lake Tennessee
HTTU
Persicaria amphibia
ETSU024884 Carter Tennessee 21 Aug 2016 Frosty Levy
ETSU
Persicaria amphibia
MEM006229 Calloway Kentucky 22 Sep 1973 Raymond Athey
2593
MEM
Persicaria amphibia
APSC0075263 Hardin Kentucky 01 Aug 1982 Max Medley
APSC
Persicaria amphibia
APSC0098344 McCracken Kentucky
APSC
Persicaria amphibia
APSC0094492 Ballard Kentucky
APSC
Persicaria amphibia
APSC0007569 Lyon Kentucky 05 Sep 1988 Edward Chester
APSC
Persicaria amphibia
HTTU030256 Cumberland Tennessee
HTTU
Persicaria amphibia
BEREA018708 Madison Kentucky
BEREA
Persicaria amphibia
APSC0075264 Hardin Kentucky 01 Aug 1982 Max Medley
APSC
Persicaria amphibia
APSC0094491 Ballard Kentucky
APSC
Persicaria amphibia
APSC0007567 Trigg Kentucky 28 Jul 1986 Edward Chester
APSC
Persicaria amphibia
APSC0075367 Hart Kentucky 26 Aug 1982 Max Medley
APSC
Persicaria amphibia
APSC0094490 Ballard Kentucky
APSC
Persicaria amphibia
APSC0007575 Obion Tennessee
APSC
Persicaria amphibia
APSC0007577 Henry Tennessee
APSC
Persicaria amphibia
HTTU028032 Lake Tennessee
HTTU
Persicaria amphibia
HTTU024044 Putnam Tennessee
HTTU
Persicaria muhlenbergii
HTTU030255 Cumberland Tennessee
HTTU
Persicaria amphibia
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Plant Photos

Persicaria amphibia - Theo Witsell
Persicaria amphibia - Theo Witsell
Persicaria amphibia - Theo Witsell
Persicaria amphibia - Theo Witsell
Persicaria amphibia - Theo Witsell
Persicaria amphibia - Theo Witsell