Persicaria arifolia

Family (Traditional)Polygonaceae
Species:Persicaria arifolia (L.) Haraldson
Common NameHalberdleaf Tearthumb
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: Yes; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Mudflat; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Hydric; Moisture Requirements: Wetland; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Reproductive Phenology: November; Reproductive Phenology: December; Leaf Arrangement: alternate; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaflet Margins: entire; Leaflet Number: 0; Anther Type: Basifixed; Base Flower Color: Pink; Base Flower Color: White; 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
C value 6
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
  • 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


SynonymFull Citation
Polygonum arifolium Polygonum arifolium L.
Polygonum arifolium var. lentiforme Polygonum arifolium var. lentiforme Fernald & Grisc.
Polygonum arifolium var. pubescens Polygonum arifolium var. pubescens (Keller) Fernald
Truellum arifolium Truellum arifolium

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: Caldwell (KY), Calloway (KY), Grayson (KY), Hopkins (KY), Jefferson (KY), Henry (TN)

Herbaria represented by specimen data listed below: APSC, MEM

Range of years during which specimens were collected: 1943 - 1995

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
APSC0010892 Henry Tennessee
Persicaria arifolia
APSC0075365 Hopkins Kentucky 22 Jul 1979 Max Medley
Persicaria arifolia
APSC0079983 Grayson Kentucky
Persicaria arifolia
APSC0007204 Henry Tennessee 20 Jul 1995 Edward Chester and Laurina Lyle
Persicaria arifolia
APSC0007207 Caldwell Kentucky 30 Aug 1982 Edward W Chester
Persicaria arifolia
MEM006154 Calloway Kentucky 15 Sep 1973 Raymond Athey
Persicaria arifolia
MEM004446 Caldwell Kentucky 19 Sep 1969 Raymond Athey
Persicaria arifolia
APSC0075537 Jefferson Kentucky 15 Aug 1943 P.A. Davies
Persicaria arifolia
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Plant Photos

Persicaria arifolia - Milo Pyne
Persicaria arifolia - Milo Pyne