Connecticut Plants
Halberd-leaved Tearthumb
Persicaria arifolia (L.) Haroldson

The tearthumbs get their name from the hooked prickles on the underside of the leaves. These prickles are strong enough to tear into flesh.

  • Synonyms: Polygonum arifolium L.
  • Family: buckwheat (Polygonaceae)
  • Habitat: marshes, wet thickets
  • Height: 2-4 feet
  • Flower size: 1/8 inch across
  • Flower color: pink or white
  • Flowering time: July to October
  • Origin: native
Polygonum arifolium L.
Polygonum arifolium L.